Configure and manage App Hosting backends

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App Hosting"><meta property="og:url" content="https://firebase.google.com/docs/app-hosting/configure"><meta property="og:locale" content="en"><script type="application/ld+json"> { "@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{ "@type": "ListItem", "position": 1, "name": "Documentation", "item": "https://firebase.google.com/docs" },{ "@type": "ListItem", "position": 2, "name": "App Hosting", "item": "https://firebase.google.com/docs/app-hosting" },{ "@type": "ListItem", "position": 3, "name": "Configure and manage App Hosting backends", "item": "https://firebase.google.com/docs/app-hosting/configure" }] } </script> <link rel="stylesheet" href="/extras.css"></head> <body class="" template="page" theme="firebase-icy-theme" type="guide" appearance layout="docs" concierge='closed' display-toc pending> <devsite-progress type="indeterminate" id="app-progress"></devsite-progress> <section class="devsite-wrapper"> <devsite-cookie-notification-bar></devsite-cookie-notification-bar><devsite-header role="banner" keep-tabs-visible> <div class="devsite-header--inner nocontent"> <div class="devsite-top-logo-row-wrapper-wrapper"> <div class="devsite-top-logo-row-wrapper"> <div class="devsite-top-logo-row"> <button type="button" id="devsite-hamburger-menu" class="devsite-header-icon-button button-flat material-icons gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Navigation menu button" visually-hidden aria-label="Open menu"> </button> <div class="devsite-product-name-wrapper"> <a href="/" class="devsite-site-logo-link gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Site logo" track-type="globalNav" track-name="firebase" track-metadata-position="nav" track-metadata-eventDetail="nav"> <picture> <source srcset="https://www.gstatic.com/devrel-devsite/prod/v870e399c64f7c43c99a3043db4b3a74327bb93d0914e84a0c3dba90bbfd67625/firebase/images/lockup.svg" 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href="#" role="button" aria-haspopup="true" aria-expanded="false" aria-label="Dropdown menu for Build" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/products-build" track-metadata-position="nav - build" track-metadata-module="primary nav" data-category="Site-Wide Custom Events" data-label="Tab: Build" track-name="build" class="devsite-tabs-dropdown-toggle devsite-icon devsite-icon-arrow-drop-down"></a> <div class="devsite-tabs-dropdown" aria-label="submenu" hidden> <div class="devsite-tabs-dropdown-content"> <div class="devsite-tabs-dropdown-column firebase-dropdown firebase-dropdown--primary firebase-build"> <ul class="devsite-tabs-dropdown-section "> <li class="devsite-nav-title" role="heading" tooltip>Build</li> <li class="devsite-nav-description">Get to market quickly and securely with products that can scale globally </li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/products-build" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/products-build" track-metadata-position="nav - build" track-metadata-module="tertiary nav" track-metadata-module_headline="build" tooltip > <div class="devsite-nav-item-title"> Go to Build </div> </a> </li> </ul> </div> <div class="devsite-tabs-dropdown-column firebase-dropdown firebase-dropdown--secondary firebase-build"> <ul class="devsite-tabs-dropdown-section "> <li class="devsite-nav-title" role="heading" tooltip>Build Products</li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/products/app-check" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/products/app-check" track-metadata-position="nav - build" track-metadata-module="tertiary nav" track-metadata-module_headline="build products" tooltip > <div class="devsite-nav-item-title"> App Check </div> </a> </li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/products/app-hosting" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/products/app-hosting" track-metadata-position="nav - build" track-metadata-module="tertiary nav" track-metadata-module_headline="build products" tooltip > <div class="devsite-nav-item-title"> App Hosting </div> </a> </li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/products/auth" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/products/auth" track-metadata-position="nav - build" track-metadata-module="tertiary nav" track-metadata-module_headline="build products" tooltip > <div class="devsite-nav-item-title"> Authentication </div> </a> </li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/products/functions" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/products/functions" track-metadata-position="nav - build" track-metadata-module="tertiary nav" track-metadata-module_headline="build products" tooltip > <div class="devsite-nav-item-title"> Cloud Functions </div> </a> </li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/products/storage" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/products/storage" track-metadata-position="nav - build" track-metadata-module="tertiary nav" track-metadata-module_headline="build products" tooltip > <div class="devsite-nav-item-title"> Cloud Storage </div> </a> </li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/products/data-connect" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/products/data-connect" track-metadata-position="nav - build" track-metadata-module="tertiary nav" track-metadata-module_headline="build products" tooltip > <div class="devsite-nav-item-title"> Data Connect </div> </a> </li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/products/extensions" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/products/extensions" track-metadata-position="nav - build" track-metadata-module="tertiary nav" track-metadata-module_headline="build products" tooltip > <div class="devsite-nav-item-title"> Extensions </div> </a> </li> </ul> <ul class="devsite-tabs-dropdown-section "> <li class="devsite-nav-item"> <a href="https://firebase.google.com/products/ml" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/products/ml" track-metadata-position="nav - build" track-metadata-module="tertiary nav" track-metadata-module_headline="build products" tooltip > <div class="devsite-nav-item-title"> Firebase ML </div> </a> </li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/products/firestore" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/products/firestore" track-metadata-position="nav - build" track-metadata-module="tertiary nav" track-metadata-module_headline="build products" tooltip > <div class="devsite-nav-item-title"> Firestore </div> </a> </li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/products/genkit" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/products/genkit" track-metadata-position="nav - build" track-metadata-module="tertiary nav" track-metadata-module_headline="build products" tooltip > <div class="devsite-nav-item-title"> Genkit </div> </a> </li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/products/hosting" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/products/hosting" track-metadata-position="nav - build" track-metadata-module="tertiary nav" track-metadata-module_headline="build products" tooltip > <div class="devsite-nav-item-title"> Hosting </div> </a> </li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/products/realtime-database" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/products/realtime-database" track-metadata-position="nav - build" track-metadata-module="tertiary nav" track-metadata-module_headline="build products" tooltip > <div class="devsite-nav-item-title"> Realtime Database </div> </a> </li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/products/vertex-ai-in-firebase" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/products/vertex-ai-in-firebase" track-metadata-position="nav - build" track-metadata-module="tertiary nav" track-metadata-module_headline="build products" tooltip > <div class="devsite-nav-item-title"> Vertex AI in Firebase </div> </a> </li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/products/generative-ai" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/products/generative-ai" track-metadata-position="nav - build" track-metadata-module="tertiary nav" track-metadata-module_headline="build products" tooltip > <div class="devsite-nav-item-title"> Generative AI </div> </a> </li> </ul> </div> </div> </div> </tab> <tab class="devsite-dropdown "> <a href="https://firebase.google.com/products-run" track-metadata-eventdetail="https://firebase.google.com/products-run" class="devsite-tabs-content gc-analytics-event " track-type="nav" track-metadata-position="nav - run" track-metadata-module="primary nav" data-category="Site-Wide Custom Events" data-label="Tab: Run" track-name="run" > Run </a> <a href="#" role="button" aria-haspopup="true" aria-expanded="false" aria-label="Dropdown menu for Run" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/products-run" track-metadata-position="nav - run" track-metadata-module="primary nav" data-category="Site-Wide Custom Events" data-label="Tab: Run" track-name="run" class="devsite-tabs-dropdown-toggle devsite-icon devsite-icon-arrow-drop-down"></a> <div class="devsite-tabs-dropdown" aria-label="submenu" hidden> <div class="devsite-tabs-dropdown-content"> <div class="devsite-tabs-dropdown-column firebase-dropdown firebase-dropdown--primary firebase-run"> <ul class="devsite-tabs-dropdown-section "> <li class="devsite-nav-title" role="heading" tooltip>Run</li> <li class="devsite-nav-description">Run your app with confidence and deliver the best experience for your users </li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/products-run" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/products-run" track-metadata-position="nav - run" track-metadata-module="tertiary nav" track-metadata-module_headline="run" tooltip > <div class="devsite-nav-item-title"> Go to Run </div> </a> </li> </ul> </div> <div class="devsite-tabs-dropdown-column firebase-dropdown firebase-dropdown--secondary"> <ul class="devsite-tabs-dropdown-section "> <li class="devsite-nav-title" role="heading" tooltip>Run Products</li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/products/ab-testing" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/products/ab-testing" track-metadata-position="nav - run" track-metadata-module="tertiary nav" track-metadata-module_headline="run products" tooltip > <div class="devsite-nav-item-title"> A/B Testing </div> </a> </li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/products/app-distribution" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/products/app-distribution" track-metadata-position="nav - run" track-metadata-module="tertiary nav" track-metadata-module_headline="run products" tooltip > <div class="devsite-nav-item-title"> App Distribution </div> </a> </li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/products/cloud-messaging" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/products/cloud-messaging" track-metadata-position="nav - run" track-metadata-module="tertiary nav" track-metadata-module_headline="run products" tooltip > <div class="devsite-nav-item-title"> Cloud Messaging </div> </a> </li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/products/crashlytics" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/products/crashlytics" track-metadata-position="nav - run" track-metadata-module="tertiary nav" track-metadata-module_headline="run products" tooltip > <div class="devsite-nav-item-title"> Crashlytics </div> </a> </li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/products/analytics" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/products/analytics" track-metadata-position="nav - run" track-metadata-module="tertiary nav" track-metadata-module_headline="run products" tooltip > <div class="devsite-nav-item-title"> Google Analytics </div> </a> </li> </ul> <ul class="devsite-tabs-dropdown-section "> <li class="devsite-nav-item"> <a href="https://firebase.google.com/products/in-app-messaging" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/products/in-app-messaging" track-metadata-position="nav - run" track-metadata-module="tertiary nav" track-metadata-module_headline="run products" tooltip > <div class="devsite-nav-item-title"> In-App Messaging </div> </a> </li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/products/performance" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/products/performance" track-metadata-position="nav - run" track-metadata-module="tertiary nav" track-metadata-module_headline="run products" tooltip > <div class="devsite-nav-item-title"> Performance Monitoring </div> </a> </li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/products/remote-config" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/products/remote-config" track-metadata-position="nav - run" track-metadata-module="tertiary nav" track-metadata-module_headline="run products" tooltip > <div class="devsite-nav-item-title"> Remote Config </div> </a> </li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/products/test-lab" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/products/test-lab" track-metadata-position="nav - run" track-metadata-module="tertiary nav" track-metadata-module_headline="run products" tooltip > <div class="devsite-nav-item-title"> Test Lab </div> </a> </li> </ul> </div> </div> </div> </tab> <tab > <a href="https://firebase.google.com/solutions" track-metadata-eventdetail="https://firebase.google.com/solutions" class="devsite-tabs-content gc-analytics-event " track-type="nav" track-metadata-position="nav - solutions" track-metadata-module="primary nav" data-category="Site-Wide Custom Events" data-label="Tab: Solutions" track-name="solutions" > Solutions </a> </tab> <tab > <a href="https://firebase.google.com/pricing" track-metadata-eventdetail="https://firebase.google.com/pricing" class="devsite-tabs-content gc-analytics-event " track-type="nav" track-metadata-position="nav - pricing" track-metadata-module="primary nav" data-category="Site-Wide Custom Events" data-label="Tab: Pricing" track-name="pricing" > Pricing </a> </tab> <tab class="devsite-dropdown devsite-active "> <a href="https://firebase.google.com/docs" track-metadata-eventdetail="https://firebase.google.com/docs" class="devsite-tabs-content gc-analytics-event " track-type="nav" track-metadata-position="nav - docs" track-metadata-module="primary nav" aria-label="Docs, selected" data-category="Site-Wide Custom Events" data-label="Tab: Docs" track-name="docs" > Docs </a> <a href="#" role="button" aria-haspopup="true" aria-expanded="false" aria-label="Dropdown menu for Docs" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/docs" track-metadata-position="nav - docs" track-metadata-module="primary nav" data-category="Site-Wide Custom Events" data-label="Tab: Docs" track-name="docs" class="devsite-tabs-dropdown-toggle devsite-icon devsite-icon-arrow-drop-down"></a> <div class="devsite-tabs-dropdown" aria-label="submenu" hidden> <div class="devsite-tabs-dropdown-content"> <div class="devsite-tabs-dropdown-column "> <ul class="devsite-tabs-dropdown-section "> <li class="devsite-nav-item"> <a href="https://firebase.google.com/docs" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/docs" track-metadata-position="nav - docs" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Overview </div> </a> </li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/docs/guides" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/docs/guides" track-metadata-position="nav - docs" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Fundamentals </div> </a> </li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/docs/build" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/docs/build" track-metadata-position="nav - docs" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Build </div> </a> </li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/docs/run" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/docs/run" track-metadata-position="nav - docs" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Run </div> </a> </li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/docs/reference" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/docs/reference" track-metadata-position="nav - docs" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Reference </div> </a> </li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/docs/samples" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/docs/samples" track-metadata-position="nav - docs" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Samples </div> </a> </li> </ul> </div> </div> </div> </tab> <tab class="devsite-dropdown "> <a href="https://firebase.google.com/community" track-metadata-eventdetail="https://firebase.google.com/community" class="devsite-tabs-content gc-analytics-event " track-type="nav" track-metadata-position="nav - community" track-metadata-module="primary nav" data-category="Site-Wide Custom Events" data-label="Tab: Community" track-name="community" > Community </a> <a href="#" role="button" aria-haspopup="true" aria-expanded="false" aria-label="Dropdown menu for Community" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/community" track-metadata-position="nav - community" track-metadata-module="primary nav" data-category="Site-Wide Custom Events" data-label="Tab: Community" track-name="community" class="devsite-tabs-dropdown-toggle devsite-icon devsite-icon-arrow-drop-down"></a> <div class="devsite-tabs-dropdown" aria-label="submenu" hidden> <div class="devsite-tabs-dropdown-content"> <div class="devsite-tabs-dropdown-column "> <ul class="devsite-tabs-dropdown-section "> <li class="devsite-nav-item"> <a href="https://firebase.google.com/community/learn" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/community/learn" track-metadata-position="nav - community" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Learn </div> </a> </li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/community/events" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/community/events" track-metadata-position="nav - community" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Events </div> </a> </li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/community/stories" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/community/stories" track-metadata-position="nav - community" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Stories </div> </a> </li> </ul> </div> </div> </div> </tab> <tab > <a href="https://firebase.google.com/support" track-metadata-eventdetail="https://firebase.google.com/support" class="devsite-tabs-content gc-analytics-event " track-type="nav" track-metadata-position="nav - support" track-metadata-module="primary nav" data-category="Site-Wide Custom Events" data-label="Tab: Support" track-name="support" > Support </a> </tab> </nav> </devsite-tabs> </div> <devsite-search enable-signin enable-search enable-suggestions enable-query-completion project-name="Firebase App Hosting" tenant-name="Firebase" > <form class="devsite-search-form" action="https://firebase.google.com/s/results" method="GET"> <div class="devsite-search-container"> <button type="button" search-open class="devsite-search-button devsite-header-icon-button button-flat material-icons" aria-label="Open search"></button> <div class="devsite-searchbox"> <input aria-activedescendant="" aria-autocomplete="list" aria-label="Search" aria-expanded="false" aria-haspopup="listbox" autocomplete="off" class="devsite-search-field devsite-search-query" name="q" placeholder="Search" role="combobox" type="text" value="" > <div class="devsite-search-image material-icons" aria-hidden="true"> </div> <div class="devsite-search-shortcut-icon-container" aria-hidden="true"> <kbd class="devsite-search-shortcut-icon">/</kbd> </div> </div> </div> </form> <button type="button" search-close class="devsite-search-button devsite-header-icon-button button-flat material-icons" aria-label="Close search"></button> </devsite-search> </div> <devsite-appearance-selector></devsite-appearance-selector> <devsite-language-selector> <ul role="presentation"> <li role="presentation"> <a role="menuitem" lang="en" >English</a> </li> <li role="presentation"> <a role="menuitem" lang="de" >Deutsch</a> </li> <li role="presentation"> <a role="menuitem" lang="es_419" >Español – América Latina</a> </li> <li role="presentation"> <a role="menuitem" lang="fr" >Français</a> </li> <li role="presentation"> <a role="menuitem" lang="id" >Indonesia</a> </li> <li role="presentation"> <a role="menuitem" lang="it" >Italiano</a> </li> <li role="presentation"> <a role="menuitem" lang="pl" >Polski</a> </li> <li role="presentation"> <a role="menuitem" lang="pt_br" >Português – Brasil</a> </li> <li role="presentation"> <a role="menuitem" lang="vi" >Tiếng Việt</a> </li> <li role="presentation"> <a role="menuitem" lang="tr" >Türkçe</a> </li> <li role="presentation"> <a role="menuitem" lang="ru" >Русский</a> </li> <li role="presentation"> <a role="menuitem" lang="he" >עברית</a> </li> <li role="presentation"> <a role="menuitem" lang="ar" >العربيّة</a> </li> <li role="presentation"> <a role="menuitem" lang="fa" >فارسی</a> </li> <li role="presentation"> <a role="menuitem" lang="hi" >हिंदी</a> </li> <li role="presentation"> <a role="menuitem" lang="bn" >বাংলা</a> </li> <li role="presentation"> <a role="menuitem" lang="th" >ภาษาไทย</a> </li> <li role="presentation"> <a role="menuitem" lang="zh_cn" >中文 – 简体</a> </li> <li role="presentation"> <a role="menuitem" lang="zh_tw" >中文 – 繁體</a> </li> <li role="presentation"> <a role="menuitem" lang="ja" >日本語</a> </li> <li role="presentation"> <a role="menuitem" lang="ko" >한국어</a> </li> </ul> </devsite-language-selector> <a class="devsite-header-link devsite-top-button button gc-analytics-event" href="//console.firebase.google.com" data-category="Site-Wide Custom Events" data-label="Site header link" > Go to console </a> <devsite-user enable-profiles fp-auth id="devsite-user"> <span class="button devsite-top-button" aria-hidden="true" visually-hidden>Sign in</span> </devsite-user> </div> </div> </div> <div class="devsite-collapsible-section "> <div class="devsite-header-background"> <div class="devsite-product-id-row" > <div class="devsite-product-description-row"> <ul class="devsite-breadcrumb-list" aria-label="Lower header breadcrumb"> <li class="devsite-breadcrumb-item "> <a href="https://firebase.google.com/docs" class="devsite-breadcrumb-link gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Lower Header" data-value="1" track-type="globalNav" track-name="breadcrumb" track-metadata-position="1" track-metadata-eventdetail="Firebase Documentation" > Documentation </a> </li> <li class="devsite-breadcrumb-item "> <div class="devsite-breadcrumb-guillemet material-icons" aria-hidden="true"></div> <a href="https://firebase.google.com/docs/app-hosting" class="devsite-breadcrumb-link gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Lower Header" data-value="2" track-type="globalNav" track-name="breadcrumb" track-metadata-position="2" track-metadata-eventdetail="Firebase App Hosting" > App Hosting </a> </li> </ul> </div> </div> <div class="devsite-doc-set-nav-row"> <devsite-tabs class="lower-tabs"> <nav class="devsite-tabs-wrapper" aria-label="Lower tabs"> <tab > <a href="https://firebase.google.com/docs" track-metadata-eventdetail="https://firebase.google.com/docs" class="devsite-tabs-content gc-analytics-event " track-type="nav" track-metadata-position="nav - overview" track-metadata-module="primary nav" data-category="Site-Wide Custom Events" data-label="Tab: Overview" track-name="overview" > Overview </a> </tab> <tab class="devsite-dropdown "> <a href="https://firebase.google.com/docs/guides" track-metadata-eventdetail="https://firebase.google.com/docs/guides" class="devsite-tabs-content gc-analytics-event " track-type="nav" track-metadata-position="nav - fundamentals" track-metadata-module="primary nav" data-category="Site-Wide Custom Events" data-label="Tab: Fundamentals" track-name="fundamentals" > Fundamentals </a> <a href="#" role="button" aria-haspopup="true" aria-expanded="false" aria-label="Dropdown menu for Fundamentals" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/docs/guides" track-metadata-position="nav - fundamentals" track-metadata-module="primary nav" data-category="Site-Wide Custom Events" data-label="Tab: Fundamentals" track-name="fundamentals" class="devsite-tabs-dropdown-toggle devsite-icon devsite-icon-arrow-drop-down"></a> <div class="devsite-tabs-dropdown" aria-label="submenu" hidden> <div class="devsite-tabs-dropdown-content"> <div class="devsite-tabs-dropdown-column "> <ul class="devsite-tabs-dropdown-section "> <li class="devsite-nav-item"> <a href="https://firebase.google.com/docs/ios/setup" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/docs/ios/setup" track-metadata-position="nav - fundamentals" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Add Firebase - Apple platforms (iOS+) </div> </a> </li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/docs/android/setup" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/docs/android/setup" track-metadata-position="nav - fundamentals" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Add Firebase - Android </div> </a> </li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/docs/web/setup" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/docs/web/setup" track-metadata-position="nav - fundamentals" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Add Firebase - Web </div> </a> </li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/docs/flutter/setup" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/docs/flutter/setup" track-metadata-position="nav - fundamentals" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Add Firebase - Flutter </div> </a> </li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/docs/cpp/setup" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/docs/cpp/setup" track-metadata-position="nav - fundamentals" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Add Firebase - C++ </div> </a> </li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/docs/unity/setup" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/docs/unity/setup" track-metadata-position="nav - fundamentals" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Add Firebase - Unity </div> </a> </li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/docs/admin/setup" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/docs/admin/setup" track-metadata-position="nav - fundamentals" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Add Firebase - Server environments </div> </a> </li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/docs/projects/learn-more" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/docs/projects/learn-more" track-metadata-position="nav - fundamentals" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Manage Firebase projects </div> </a> </li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/docs/libraries" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/docs/libraries" track-metadata-position="nav - fundamentals" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Supported platforms & frameworks </div> </a> </li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/docs/emulator-suite" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/docs/emulator-suite" track-metadata-position="nav - fundamentals" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Use Emulator Suite </div> </a> </li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/docs/gemini-in-firebase" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/docs/gemini-in-firebase" track-metadata-position="nav - fundamentals" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> AI assistance with Gemini in Firebase </div> </a> </li> </ul> </div> </div> </div> </tab> <tab class="devsite-dropdown devsite-active "> <a href="https://firebase.google.com/docs/build" track-metadata-eventdetail="https://firebase.google.com/docs/build" class="devsite-tabs-content gc-analytics-event " track-type="nav" track-metadata-position="nav - build" track-metadata-module="primary nav" aria-label="Build, selected" data-category="Site-Wide Custom Events" data-label="Tab: Build" track-name="build" > Build </a> <a href="#" role="button" aria-haspopup="true" aria-expanded="false" aria-label="Dropdown menu for Build" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/docs/build" track-metadata-position="nav - build" track-metadata-module="primary nav" data-category="Site-Wide Custom Events" data-label="Tab: Build" track-name="build" class="devsite-tabs-dropdown-toggle devsite-icon devsite-icon-arrow-drop-down"></a> <div class="devsite-tabs-dropdown" aria-label="submenu" hidden> <div class="devsite-tabs-dropdown-content"> <div class="devsite-tabs-dropdown-column "> <ul class="devsite-tabs-dropdown-section "> <li class="devsite-nav-item"> <a href="https://firebase.google.com/docs/emulator-suite" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/docs/emulator-suite" track-metadata-position="nav - build" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Emulator Suite </div> </a> </li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/docs/auth" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/docs/auth" track-metadata-position="nav - build" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Authentication </div> </a> </li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/docs/app-check" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/docs/app-check" track-metadata-position="nav - build" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> App Check </div> </a> </li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/docs/data-connect" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/docs/data-connect" track-metadata-position="nav - build" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Data Connect </div> </a> </li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/docs/firestore" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/docs/firestore" track-metadata-position="nav - build" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Firestore </div> </a> </li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/docs/database" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/docs/database" track-metadata-position="nav - build" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Realtime Database </div> </a> </li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/docs/storage" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/docs/storage" track-metadata-position="nav - build" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Storage </div> </a> </li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/docs/rules" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/docs/rules" track-metadata-position="nav - build" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Security Rules </div> </a> </li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/docs/app-hosting" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/docs/app-hosting" track-metadata-position="nav - build" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> App Hosting </div> </a> </li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/docs/hosting" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/docs/hosting" track-metadata-position="nav - build" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Hosting </div> </a> </li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/docs/functions" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/docs/functions" track-metadata-position="nav - build" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Cloud Functions </div> </a> </li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/docs/extensions" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/docs/extensions" track-metadata-position="nav - build" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Extensions </div> </a> </li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/docs/vertex-ai" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/docs/vertex-ai" track-metadata-position="nav - build" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Vertex AI in Firebase </div> </a> </li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/docs/genkit" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/docs/genkit" track-metadata-position="nav - build" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Genkit </div> </a> </li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/docs/ml" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/docs/ml" track-metadata-position="nav - build" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> ML </div> </a> </li> </ul> </div> </div> </div> </tab> <tab class="devsite-dropdown "> <a href="https://firebase.google.com/docs/run" track-metadata-eventdetail="https://firebase.google.com/docs/run" class="devsite-tabs-content gc-analytics-event " track-type="nav" track-metadata-position="nav - run" track-metadata-module="primary nav" data-category="Site-Wide Custom Events" data-label="Tab: Run" track-name="run" > Run </a> <a href="#" role="button" aria-haspopup="true" aria-expanded="false" aria-label="Dropdown menu for Run" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/docs/run" track-metadata-position="nav - run" track-metadata-module="primary nav" data-category="Site-Wide Custom Events" data-label="Tab: Run" track-name="run" class="devsite-tabs-dropdown-toggle devsite-icon devsite-icon-arrow-drop-down"></a> <div class="devsite-tabs-dropdown" aria-label="submenu" hidden> <div class="devsite-tabs-dropdown-content"> <div class="devsite-tabs-dropdown-column "> <ul class="devsite-tabs-dropdown-section "> <li class="devsite-nav-item"> <a href="https://firebase.google.com/docs/test-lab" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/docs/test-lab" track-metadata-position="nav - run" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Test Lab </div> </a> </li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/docs/app-distribution" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/docs/app-distribution" track-metadata-position="nav - run" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> App Distribution </div> </a> </li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/docs/crashlytics" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/docs/crashlytics" track-metadata-position="nav - run" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Crashlytics </div> </a> </li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/docs/perf-mon" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/docs/perf-mon" track-metadata-position="nav - run" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Performance Monitoring </div> </a> </li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/docs/remote-config" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/docs/remote-config" track-metadata-position="nav - run" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Remote Config </div> </a> </li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/docs/ab-testing" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/docs/ab-testing" track-metadata-position="nav - run" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> A/B Testing </div> </a> </li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/docs/analytics" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/docs/analytics" track-metadata-position="nav - run" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Analytics </div> </a> </li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/docs/cloud-messaging" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/docs/cloud-messaging" track-metadata-position="nav - run" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Cloud Messaging </div> </a> </li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/docs/in-app-messaging" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/docs/in-app-messaging" track-metadata-position="nav - run" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> In-App Messaging </div> </a> </li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/docs/dynamic-links" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/docs/dynamic-links" track-metadata-position="nav - run" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Dynamic Links </div> </a> </li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/docs/admob" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/docs/admob" track-metadata-position="nav - run" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Google AdMob </div> </a> </li> <li class="devsite-nav-item"> <a href="https://firebase.google.com/docs/ads" track-type="nav" track-metadata-eventdetail="https://firebase.google.com/docs/ads" track-metadata-position="nav - run" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Google Ads </div> </a> </li> </ul> </div> </div> </div> </tab> <tab > <a href="https://firebase.google.com/docs/reference" track-metadata-eventdetail="https://firebase.google.com/docs/reference" class="devsite-tabs-content gc-analytics-event " track-type="nav" track-metadata-position="nav - reference" track-metadata-module="primary nav" data-category="Site-Wide Custom Events" data-label="Tab: Reference" track-name="reference" > Reference </a> </tab> <tab > <a href="https://firebase.google.com/docs/samples" track-metadata-eventdetail="https://firebase.google.com/docs/samples" class="devsite-tabs-content gc-analytics-event " track-type="nav" track-metadata-position="nav - samples" track-metadata-module="primary nav" data-category="Site-Wide Custom Events" data-label="Tab: Samples" track-name="samples" > Samples </a> </tab> </nav> </devsite-tabs> </div> </div> </div> </div> </devsite-header> <devsite-book-nav scrollbars > <div class="devsite-book-nav-filter" > <span class="filter-list-icon material-icons" aria-hidden="true"></span> <input type="text" placeholder="Filter" aria-label="Type to filter" role="searchbox"> <span class="filter-clear-button hidden" data-title="Clear filter" aria-label="Clear filter" role="button" tabindex="0"></span> </div> <nav class="devsite-book-nav devsite-nav nocontent" aria-label="Side menu"> <div class="devsite-mobile-header"> <button type="button" id="devsite-close-nav" class="devsite-header-icon-button button-flat material-icons gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Close navigation" aria-label="Close navigation"> </button> <div class="devsite-product-name-wrapper"> <a href="/" class="devsite-site-logo-link gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Site logo" track-type="globalNav" track-name="firebase" track-metadata-position="nav" track-metadata-eventDetail="nav"> <picture> <source srcset="https://www.gstatic.com/devrel-devsite/prod/v870e399c64f7c43c99a3043db4b3a74327bb93d0914e84a0c3dba90bbfd67625/firebase/images/lockup.svg" media="(prefers-color-scheme: dark)" class="devsite-dark-theme" alt="Firebase"> <img src="https://www.gstatic.com/devrel-devsite/prod/v870e399c64f7c43c99a3043db4b3a74327bb93d0914e84a0c3dba90bbfd67625/firebase/images/lockup.svg" class="devsite-site-logo" alt="Firebase"> </picture> </a> <span class="devsite-product-name"> <ul class="devsite-breadcrumb-list" > <li class="devsite-breadcrumb-item "> </li> </ul> </span> </div> </div> <div class="devsite-book-nav-wrapper"> <div class="devsite-mobile-nav-top"> <ul class="devsite-nav-list"> <li class="devsite-nav-item"> <a href="/products-build" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Tab: Build" track-name="build" data-category="Site-Wide Custom Events" data-label="Responsive Tab: Build" track-type="globalNav" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Build </span> </a> <ul class="devsite-nav-responsive-tabs devsite-nav-has-menu "> <li class="devsite-nav-item"> <span class="devsite-nav-title" tooltip data-category="Site-Wide Custom Events" data-label="Tab: Build" track-name="build" > <span class="devsite-nav-text" tooltip menu="Build"> More </span> <span class="devsite-nav-icon material-icons" data-icon="forward" menu="Build"> </span> </span> </li> </ul> </li> <li class="devsite-nav-item"> <a href="/products-run" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Tab: Run" track-name="run" data-category="Site-Wide Custom Events" data-label="Responsive Tab: Run" track-type="globalNav" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Run </span> </a> <ul class="devsite-nav-responsive-tabs devsite-nav-has-menu "> <li class="devsite-nav-item"> <span class="devsite-nav-title" tooltip data-category="Site-Wide Custom Events" data-label="Tab: Run" track-name="run" > <span class="devsite-nav-text" tooltip menu="Run"> More </span> <span class="devsite-nav-icon material-icons" data-icon="forward" menu="Run"> </span> </span> </li> </ul> </li> <li class="devsite-nav-item"> <a href="/solutions" class="devsite-nav-title gc-analytics-event devsite-nav-has-children " data-category="Site-Wide Custom Events" data-label="Tab: Solutions" track-name="solutions" data-category="Site-Wide Custom Events" data-label="Responsive Tab: Solutions" track-type="globalNav" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Solutions </span> <span class="devsite-nav-icon material-icons" data-icon="forward" > </span> </a> </li> <li class="devsite-nav-item"> <a href="/pricing" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Tab: Pricing" track-name="pricing" data-category="Site-Wide Custom Events" data-label="Responsive Tab: Pricing" track-type="globalNav" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Pricing </span> </a> </li> <li class="devsite-nav-item"> <a href="/docs" class="devsite-nav-title gc-analytics-event devsite-nav-active" data-category="Site-Wide Custom Events" data-label="Tab: Docs" track-name="docs" data-category="Site-Wide Custom Events" data-label="Responsive Tab: Docs" track-type="globalNav" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Docs </span> </a> <ul class="devsite-nav-responsive-tabs devsite-nav-has-menu "> <li class="devsite-nav-item"> <span class="devsite-nav-title" tooltip data-category="Site-Wide Custom Events" data-label="Tab: Docs" track-name="docs" > <span class="devsite-nav-text" tooltip menu="Docs"> More </span> <span class="devsite-nav-icon material-icons" data-icon="forward" menu="Docs"> </span> </span> </li> </ul> <ul class="devsite-nav-responsive-tabs"> <li class="devsite-nav-item"> <a href="/docs" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Tab: Overview" track-name="overview" data-category="Site-Wide Custom Events" data-label="Responsive Tab: Overview" track-type="globalNav" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Overview </span> </a> </li> <li class="devsite-nav-item"> <a href="/docs/guides" class="devsite-nav-title gc-analytics-event devsite-nav-has-children " data-category="Site-Wide Custom Events" data-label="Tab: Fundamentals" track-name="fundamentals" data-category="Site-Wide Custom Events" data-label="Responsive Tab: Fundamentals" track-type="globalNav" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Fundamentals </span> <span class="devsite-nav-icon material-icons" data-icon="forward" > </span> </a> <ul class="devsite-nav-responsive-tabs devsite-nav-has-menu devsite-lower-tab-item"> <li class="devsite-nav-item"> <span class="devsite-nav-title" tooltip data-category="Site-Wide Custom Events" data-label="Tab: Fundamentals" track-name="fundamentals" > <span class="devsite-nav-text" tooltip menu="Fundamentals"> More </span> <span class="devsite-nav-icon material-icons" data-icon="forward" menu="Fundamentals"> </span> </span> </li> </ul> </li> <li class="devsite-nav-item"> <a href="/docs/build" class="devsite-nav-title gc-analytics-event devsite-nav-has-children devsite-nav-active" data-category="Site-Wide Custom Events" data-label="Tab: Build" track-name="build" data-category="Site-Wide Custom Events" data-label="Responsive Tab: Build" track-type="globalNav" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip menu="_book"> Build </span> <span class="devsite-nav-icon material-icons" data-icon="forward" menu="_book"> </span> </a> <ul class="devsite-nav-responsive-tabs devsite-nav-has-menu devsite-lower-tab-item"> <li class="devsite-nav-item"> <span class="devsite-nav-title" tooltip data-category="Site-Wide Custom Events" data-label="Tab: Build" track-name="build" > <span class="devsite-nav-text" tooltip menu="Build"> More </span> <span class="devsite-nav-icon material-icons" data-icon="forward" menu="Build"> </span> </span> </li> </ul> </li> <li class="devsite-nav-item"> <a href="/docs/run" class="devsite-nav-title gc-analytics-event devsite-nav-has-children " data-category="Site-Wide Custom Events" data-label="Tab: Run" track-name="run" data-category="Site-Wide Custom Events" data-label="Responsive Tab: Run" track-type="globalNav" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Run </span> <span class="devsite-nav-icon material-icons" data-icon="forward" > </span> </a> <ul class="devsite-nav-responsive-tabs devsite-nav-has-menu devsite-lower-tab-item"> <li class="devsite-nav-item"> <span class="devsite-nav-title" tooltip data-category="Site-Wide Custom Events" data-label="Tab: Run" track-name="run" > <span class="devsite-nav-text" tooltip menu="Run"> More </span> <span class="devsite-nav-icon material-icons" data-icon="forward" menu="Run"> </span> </span> </li> </ul> </li> <li class="devsite-nav-item"> <a href="/docs/reference" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Tab: Reference" track-name="reference" data-category="Site-Wide Custom Events" data-label="Responsive Tab: Reference" track-type="globalNav" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Reference </span> </a> </li> <li class="devsite-nav-item"> <a href="/docs/samples" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Tab: Samples" track-name="samples" data-category="Site-Wide Custom Events" data-label="Responsive Tab: Samples" track-type="globalNav" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Samples </span> </a> </li> </ul> </li> <li class="devsite-nav-item"> <a href="/community" class="devsite-nav-title gc-analytics-event devsite-nav-has-children " data-category="Site-Wide Custom Events" data-label="Tab: Community" track-name="community" data-category="Site-Wide Custom Events" data-label="Responsive Tab: Community" track-type="globalNav" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Community </span> <span class="devsite-nav-icon material-icons" data-icon="forward" > </span> </a> <ul class="devsite-nav-responsive-tabs devsite-nav-has-menu "> <li class="devsite-nav-item"> <span class="devsite-nav-title" tooltip data-category="Site-Wide Custom Events" data-label="Tab: Community" track-name="community" > <span class="devsite-nav-text" tooltip menu="Community"> More </span> <span class="devsite-nav-icon material-icons" data-icon="forward" menu="Community"> </span> </span> </li> </ul> </li> <li class="devsite-nav-item"> <a href="/support" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Tab: Support" track-name="support" data-category="Site-Wide Custom Events" data-label="Responsive Tab: Support" track-type="globalNav" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Support </span> </a> </li> <li class="devsite-nav-item"> <a href="//console.firebase.google.com" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Go to console" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Go to console </span> </a> </li> </ul> </div> <div class="devsite-mobile-nav-bottom"> <ul class="devsite-nav-list" menu="_book"> <li class="devsite-nav-item"><a href="/docs/build" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/build" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/build" ><span class="devsite-nav-text" tooltip>Overview</span></a></li> <li class="devsite-nav-item devsite-nav-expandable devsite-nav-accordion"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Emulator Suite</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/emulator-suite" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/emulator-suite" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/emulator-suite" ><span class="devsite-nav-text" tooltip>Introduction</span></a></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Connect your app and prototype</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/emulator-suite/connect_and_prototype" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/emulator-suite/connect_and_prototype" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/emulator-suite/connect_and_prototype" ><span class="devsite-nav-text" tooltip>Get started</span></a></li><li class="devsite-nav-item"><a href="/docs/emulator-suite/connect_auth" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/emulator-suite/connect_auth" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/emulator-suite/connect_auth" ><span class="devsite-nav-text" tooltip>Connect to the Authentication emulator</span></a></li><li class="devsite-nav-item"><a href="/docs/emulator-suite/connect_rtdb" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/emulator-suite/connect_rtdb" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/emulator-suite/connect_rtdb" ><span class="devsite-nav-text" tooltip>Connect to the Realtime Database emulator</span></a></li><li class="devsite-nav-item"><a href="/docs/emulator-suite/connect_firestore" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/emulator-suite/connect_firestore" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/emulator-suite/connect_firestore" ><span class="devsite-nav-text" tooltip>Connect to the Firestore emulator</span></a></li><li class="devsite-nav-item"><a href="/docs/emulator-suite/connect_storage" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/emulator-suite/connect_storage" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/emulator-suite/connect_storage" ><span class="devsite-nav-text" tooltip>Connect to the Cloud Storage for Firebase emulator</span></a></li><li class="devsite-nav-item"><a href="/docs/emulator-suite/use_hosting" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/emulator-suite/use_hosting" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/emulator-suite/use_hosting" ><span class="devsite-nav-text" tooltip>Use the Hosting emulator</span></a></li><li class="devsite-nav-item"><a href="/docs/emulator-suite/use_app_hosting" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/emulator-suite/use_app_hosting" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/emulator-suite/use_app_hosting" ><span class="devsite-nav-text" tooltip>Use the App Hosting emulator</span></a></li><li class="devsite-nav-item devsite-nav-beta"><a href="/docs/emulator-suite/connect_functions" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/emulator-suite/connect_functions" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/emulator-suite/connect_functions" ><span class="devsite-nav-text" tooltip>Connect to the Cloud Functions emulator</span><span class="devsite-nav-icon material-icons" data-icon="beta" data-title="Beta" aria-hidden="true"></span></a></li><li class="devsite-nav-item devsite-nav-beta"><a href="/docs/emulator-suite/use_extensions" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/emulator-suite/use_extensions" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/emulator-suite/use_extensions" ><span class="devsite-nav-text" tooltip>Use the Extensions emulator</span><span class="devsite-nav-icon material-icons" data-icon="beta" data-title="Beta" aria-hidden="true"></span></a></li></ul></div></li><li class="devsite-nav-item"><a href="/docs/emulator-suite/install_and_configure" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/emulator-suite/install_and_configure" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/emulator-suite/install_and_configure" ><span class="devsite-nav-text" tooltip>Install, configure and integrate</span></a></li></ul></div></li> <li class="devsite-nav-item devsite-nav-expandable devsite-nav-accordion"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Authentication</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/auth" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth" ><span class="devsite-nav-text" tooltip>Introduction</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/where-to-start" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/where-to-start" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/where-to-start" ><span class="devsite-nav-text" tooltip>Where do I start?</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/users" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/users" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/users" ><span class="devsite-nav-text" tooltip>Users in Firebase Projects</span></a></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>iOS+</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/auth/ios/firebaseui" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/ios/firebaseui" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/ios/firebaseui" ><span class="devsite-nav-text" tooltip>Sign in with a pre-built UI</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/ios/start" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/ios/start" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/ios/start" ><span class="devsite-nav-text" tooltip>Get Started</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/ios/manage-users" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/ios/manage-users" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/ios/manage-users" ><span class="devsite-nav-text" tooltip>Manage Users</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/ios/password-auth" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/ios/password-auth" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/ios/password-auth" ><span class="devsite-nav-text" tooltip>Password Authentication</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/ios/email-link-auth" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/ios/email-link-auth" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/ios/email-link-auth" ><span class="devsite-nav-text" tooltip>Email Link Authentication</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/ios/google-signin" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/ios/google-signin" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/ios/google-signin" ><span class="devsite-nav-text" tooltip>Google</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/ios/facebook-login" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/ios/facebook-login" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/ios/facebook-login" ><span class="devsite-nav-text" tooltip>Facebook Login</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/ios/apple" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/ios/apple" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/ios/apple" ><span class="devsite-nav-text" tooltip>Sign in with Apple</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/ios/twitter-login" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/ios/twitter-login" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/ios/twitter-login" ><span class="devsite-nav-text" tooltip>Twitter Login</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/ios/github-auth" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/ios/github-auth" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/ios/github-auth" ><span class="devsite-nav-text" tooltip>GitHub</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/ios/microsoft-oauth" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/ios/microsoft-oauth" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/ios/microsoft-oauth" ><span class="devsite-nav-text" tooltip>Microsoft</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/ios/yahoo-oauth" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/ios/yahoo-oauth" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/ios/yahoo-oauth" ><span class="devsite-nav-text" tooltip>Yahoo</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/ios/game-center" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/ios/game-center" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/ios/game-center" ><span class="devsite-nav-text" tooltip>Game Center Sign-in</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/ios/phone-auth" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/ios/phone-auth" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/ios/phone-auth" ><span class="devsite-nav-text" tooltip>Phone Number</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/ios/openid-connect" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/ios/openid-connect" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/ios/openid-connect" ><span class="devsite-nav-text" tooltip>OpenID Connect</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/ios/custom-auth" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/ios/custom-auth" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/ios/custom-auth" ><span class="devsite-nav-text" tooltip>Use a Custom Auth System</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/ios/anonymous-auth" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/ios/anonymous-auth" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/ios/anonymous-auth" ><span class="devsite-nav-text" tooltip>Anonymous Authentication</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/ios/single-sign-on" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/ios/single-sign-on" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/ios/single-sign-on" ><span class="devsite-nav-text" tooltip>Enabling cross-app authentication with shared Keychain</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/ios/account-linking" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/ios/account-linking" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/ios/account-linking" ><span class="devsite-nav-text" tooltip>Link Multiple Auth Providers</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/ios/multi-factor" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/ios/multi-factor" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/ios/multi-factor" ><span class="devsite-nav-text" tooltip>SMS Multi-factor Auth</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/ios/totp-mfa" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/ios/totp-mfa" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/ios/totp-mfa" ><span class="devsite-nav-text" tooltip>TOTP Multi-factor Auth</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/ios/passing-state-in-email-actions" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/ios/passing-state-in-email-actions" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/ios/passing-state-in-email-actions" ><span class="devsite-nav-text" tooltip>Passing State in Email Actions</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/ios/errors" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/ios/errors" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/ios/errors" ><span class="devsite-nav-text" tooltip>Handle Errors</span></a></li></ul></div></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Android</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/auth/android/firebaseui" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/android/firebaseui" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/android/firebaseui" ><span class="devsite-nav-text" tooltip>Sign in with a pre-built UI</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/android/start" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/android/start" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/android/start" ><span class="devsite-nav-text" tooltip>Get Started</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/android/manage-users" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/android/manage-users" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/android/manage-users" ><span class="devsite-nav-text" tooltip>Manage Users</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/android/password-auth" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/android/password-auth" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/android/password-auth" ><span class="devsite-nav-text" tooltip>Password Authentication</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/android/email-link-auth" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/android/email-link-auth" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/android/email-link-auth" ><span class="devsite-nav-text" tooltip>Email Link Authentication</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/android/google-signin" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/android/google-signin" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/android/google-signin" ><span class="devsite-nav-text" tooltip>Google</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/android/facebook-login" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/android/facebook-login" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/android/facebook-login" ><span class="devsite-nav-text" tooltip>Facebook Login</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/android/apple" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/android/apple" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/android/apple" ><span class="devsite-nav-text" tooltip>Sign in with Apple</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/android/twitter-login" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/android/twitter-login" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/android/twitter-login" ><span class="devsite-nav-text" tooltip>Twitter</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/android/github-auth" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/android/github-auth" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/android/github-auth" ><span class="devsite-nav-text" tooltip>GitHub</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/android/microsoft-oauth" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/android/microsoft-oauth" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/android/microsoft-oauth" ><span class="devsite-nav-text" tooltip>Microsoft</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/android/yahoo-oauth" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/android/yahoo-oauth" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/android/yahoo-oauth" ><span class="devsite-nav-text" tooltip>Yahoo</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/android/play-games" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/android/play-games" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/android/play-games" ><span class="devsite-nav-text" tooltip>Play Games Sign-in</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/android/phone-auth" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/android/phone-auth" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/android/phone-auth" ><span class="devsite-nav-text" tooltip>Phone Number</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/android/openid-connect" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/android/openid-connect" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/android/openid-connect" ><span class="devsite-nav-text" tooltip>OpenID Connect</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/android/custom-auth" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/android/custom-auth" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/android/custom-auth" ><span class="devsite-nav-text" tooltip>Use a Custom Auth System</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/android/anonymous-auth" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/android/anonymous-auth" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/android/anonymous-auth" ><span class="devsite-nav-text" tooltip>Anonymous Authentication</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/android/multi-factor" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/android/multi-factor" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/android/multi-factor" ><span class="devsite-nav-text" tooltip>SMS Multi-factor Auth</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/android/totp-mfa" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/android/totp-mfa" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/android/totp-mfa" ><span class="devsite-nav-text" tooltip>TOTP Multi-factor Auth</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/android/account-linking" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/android/account-linking" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/android/account-linking" ><span class="devsite-nav-text" tooltip>Link Multiple Auth Providers</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/android/passing-state-in-email-actions" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/android/passing-state-in-email-actions" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/android/passing-state-in-email-actions" ><span class="devsite-nav-text" tooltip>Passing State in Email Actions</span></a></li></ul></div></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Flutter</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/auth/flutter/start" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/flutter/start" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/flutter/start" ><span class="devsite-nav-text" tooltip>Get Started</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/flutter/manage-users" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/flutter/manage-users" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/flutter/manage-users" ><span class="devsite-nav-text" tooltip>Manage Users</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/flutter/password-auth" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/flutter/password-auth" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/flutter/password-auth" ><span class="devsite-nav-text" tooltip>Password Authentication</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/flutter/email-link-auth" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/flutter/email-link-auth" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/flutter/email-link-auth" ><span class="devsite-nav-text" tooltip>Email Link Authentication</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/flutter/federated-auth" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/flutter/federated-auth" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/flutter/federated-auth" ><span class="devsite-nav-text" tooltip>Federated Identity & Social</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/flutter/phone-auth" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/flutter/phone-auth" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/flutter/phone-auth" ><span class="devsite-nav-text" tooltip>Phone Number</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/flutter/custom-auth" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/flutter/custom-auth" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/flutter/custom-auth" ><span class="devsite-nav-text" tooltip>Use a Custom Auth System</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/flutter/anonymous-auth" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/flutter/anonymous-auth" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/flutter/anonymous-auth" ><span class="devsite-nav-text" tooltip>Anonymous Authentication</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/flutter/multi-factor" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/flutter/multi-factor" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/flutter/multi-factor" ><span class="devsite-nav-text" tooltip>Multi-factor Auth</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/flutter/account-linking" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/flutter/account-linking" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/flutter/account-linking" ><span class="devsite-nav-text" tooltip>Link Multiple Auth Providers</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/flutter/passing-state-in-email-actions" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/flutter/passing-state-in-email-actions" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/flutter/passing-state-in-email-actions" ><span class="devsite-nav-text" tooltip>Passing State in Email Actions</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/flutter/errors" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/flutter/errors" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/flutter/errors" ><span class="devsite-nav-text" tooltip>Handle Errors</span></a></li></ul></div></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Web</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/auth/web/firebaseui" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/web/firebaseui" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/web/firebaseui" ><span class="devsite-nav-text" tooltip>Sign in with a pre-built UI</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/web/start" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/web/start" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/web/start" ><span class="devsite-nav-text" tooltip>Get Started</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/web/manage-users" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/web/manage-users" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/web/manage-users" ><span class="devsite-nav-text" tooltip>Manage Users</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/web/password-auth" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/web/password-auth" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/web/password-auth" ><span class="devsite-nav-text" tooltip>Password Authentication</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/web/email-link-auth" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/web/email-link-auth" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/web/email-link-auth" ><span class="devsite-nav-text" tooltip>Email Link Authentication</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/web/google-signin" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/web/google-signin" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/web/google-signin" ><span class="devsite-nav-text" tooltip>Google</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/web/facebook-login" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/web/facebook-login" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/web/facebook-login" ><span class="devsite-nav-text" tooltip>Facebook Login</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/web/apple" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/web/apple" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/web/apple" ><span class="devsite-nav-text" tooltip>Sign in with Apple</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/web/twitter-login" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/web/twitter-login" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/web/twitter-login" ><span class="devsite-nav-text" tooltip>Twitter</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/web/github-auth" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/web/github-auth" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/web/github-auth" ><span class="devsite-nav-text" tooltip>GitHub</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/web/microsoft-oauth" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/web/microsoft-oauth" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/web/microsoft-oauth" ><span class="devsite-nav-text" tooltip>Microsoft</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/web/yahoo-oauth" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/web/yahoo-oauth" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/web/yahoo-oauth" ><span class="devsite-nav-text" tooltip>Yahoo</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/web/phone-auth" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/web/phone-auth" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/web/phone-auth" ><span class="devsite-nav-text" tooltip>Phone Number</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/web/openid-connect" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/web/openid-connect" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/web/openid-connect" ><span class="devsite-nav-text" tooltip>OpenID Connect</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/web/saml" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/web/saml" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/web/saml" ><span class="devsite-nav-text" tooltip>SAML</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/web/custom-auth" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/web/custom-auth" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/web/custom-auth" ><span class="devsite-nav-text" tooltip>Use a Custom Auth System</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/web/anonymous-auth" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/web/anonymous-auth" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/web/anonymous-auth" ><span class="devsite-nav-text" tooltip>Anonymous Authentication</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/web/multi-factor" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/web/multi-factor" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/web/multi-factor" ><span class="devsite-nav-text" tooltip>SMS Multi-factor Auth</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/web/totp-mfa" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/web/totp-mfa" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/web/totp-mfa" ><span class="devsite-nav-text" tooltip>TOTP Multi-factor Auth</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/web/account-linking" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/web/account-linking" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/web/account-linking" ><span class="devsite-nav-text" tooltip>Link Multiple Auth Providers</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/web/custom-dependencies" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/web/custom-dependencies" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/web/custom-dependencies" ><span class="devsite-nav-text" tooltip>Customize Dependencies</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/web/cordova" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/web/cordova" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/web/cordova" ><span class="devsite-nav-text" tooltip>OAuth Sign-In for Cordova</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/web/chrome-extension" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/web/chrome-extension" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/web/chrome-extension" ><span class="devsite-nav-text" tooltip>Sign in users from a Chrome extension</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/web/auth-state-persistence" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/web/auth-state-persistence" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/web/auth-state-persistence" ><span class="devsite-nav-text" tooltip>Auth State Persistence</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/web/passing-state-in-email-actions" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/web/passing-state-in-email-actions" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/web/passing-state-in-email-actions" ><span class="devsite-nav-text" tooltip>Passing State in Email Actions</span></a></li><li class="devsite-nav-item devsite-nav-beta"><a href="/docs/auth/web/service-worker-sessions" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/web/service-worker-sessions" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/web/service-worker-sessions" ><span class="devsite-nav-text" tooltip>Service Worker Sessions</span><span class="devsite-nav-icon material-icons" data-icon="beta" data-title="Beta" aria-hidden="true"></span></a></li><li class="devsite-nav-item"><a href="/docs/auth/web/redirect-best-practices" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/web/redirect-best-practices" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/web/redirect-best-practices" ><span class="devsite-nav-text" tooltip>Best practices for signInWithRedirect flows</span></a></li></ul></div></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>C++</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/auth/cpp/start" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/cpp/start" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/cpp/start" ><span class="devsite-nav-text" tooltip>Get Started</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/cpp/manage-users" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/cpp/manage-users" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/cpp/manage-users" ><span class="devsite-nav-text" tooltip>Manage Users</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/cpp/password-auth" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/cpp/password-auth" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/cpp/password-auth" ><span class="devsite-nav-text" tooltip>Password Authentication</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/cpp/google-signin" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/cpp/google-signin" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/cpp/google-signin" ><span class="devsite-nav-text" tooltip>Google</span></a></li><li class="devsite-nav-item devsite-nav-beta"><a href="/docs/auth/cpp/play-games" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/cpp/play-games" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/cpp/play-games" ><span class="devsite-nav-text" tooltip>Play Games Sign-in</span><span class="devsite-nav-icon material-icons" data-icon="beta" data-title="Beta" aria-hidden="true"></span></a></li><li class="devsite-nav-item"><a href="/docs/auth/cpp/github-auth" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/cpp/github-auth" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/cpp/github-auth" ><span class="devsite-nav-text" tooltip>GitHub</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/cpp/facebook-login" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/cpp/facebook-login" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/cpp/facebook-login" ><span class="devsite-nav-text" tooltip>Facebook Login</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/cpp/apple" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/cpp/apple" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/cpp/apple" ><span class="devsite-nav-text" tooltip>Sign in with Apple</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/cpp/twitter-login" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/cpp/twitter-login" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/cpp/twitter-login" ><span class="devsite-nav-text" tooltip>Twitter Login</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/cpp/microsoft-oauth" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/cpp/microsoft-oauth" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/cpp/microsoft-oauth" ><span class="devsite-nav-text" tooltip>Microsoft</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/cpp/yahoo-oauth" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/cpp/yahoo-oauth" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/cpp/yahoo-oauth" ><span class="devsite-nav-text" tooltip>Yahoo</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/cpp/phone-auth" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/cpp/phone-auth" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/cpp/phone-auth" ><span class="devsite-nav-text" tooltip>Phone Number</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/cpp/custom-auth" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/cpp/custom-auth" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/cpp/custom-auth" ><span class="devsite-nav-text" tooltip>Use a Custom Auth System</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/cpp/anonymous-auth" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/cpp/anonymous-auth" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/cpp/anonymous-auth" ><span class="devsite-nav-text" tooltip>Anonymous Authentication</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/cpp/account-linking" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/cpp/account-linking" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/cpp/account-linking" ><span class="devsite-nav-text" tooltip>Link Multiple Auth Providers</span></a></li></ul></div></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Unity</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/auth/unity/start" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/unity/start" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/unity/start" ><span class="devsite-nav-text" tooltip>Get Started</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/unity/manage-users" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/unity/manage-users" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/unity/manage-users" ><span class="devsite-nav-text" tooltip>Manage Users</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/unity/password-auth" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/unity/password-auth" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/unity/password-auth" ><span class="devsite-nav-text" tooltip>Password Authentication</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/unity/google-signin" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/unity/google-signin" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/unity/google-signin" ><span class="devsite-nav-text" tooltip>Google</span></a></li><li class="devsite-nav-item devsite-nav-beta"><a href="/docs/auth/unity/play-games" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/unity/play-games" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/unity/play-games" ><span class="devsite-nav-text" tooltip>Play Games Sign-in</span><span class="devsite-nav-icon material-icons" data-icon="beta" data-title="Beta" aria-hidden="true"></span></a></li><li class="devsite-nav-item"><a href="/docs/auth/unity/github-auth" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/unity/github-auth" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/unity/github-auth" ><span class="devsite-nav-text" tooltip>GitHub Authentication</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/unity/facebook-login" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/unity/facebook-login" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/unity/facebook-login" ><span class="devsite-nav-text" tooltip>Facebook Login</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/unity/apple" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/unity/apple" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/unity/apple" ><span class="devsite-nav-text" tooltip>Sign in with Apple</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/unity/twitter-login" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/unity/twitter-login" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/unity/twitter-login" ><span class="devsite-nav-text" tooltip>Twitter Login</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/unity/microsoft-oauth" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/unity/microsoft-oauth" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/unity/microsoft-oauth" ><span class="devsite-nav-text" tooltip>Microsoft</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/unity/yahoo-oauth" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/unity/yahoo-oauth" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/unity/yahoo-oauth" ><span class="devsite-nav-text" tooltip>Yahoo</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/unity/phone-auth" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/unity/phone-auth" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/unity/phone-auth" ><span class="devsite-nav-text" tooltip>Phone Number</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/unity/custom-auth" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/unity/custom-auth" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/unity/custom-auth" ><span class="devsite-nav-text" tooltip>Use a Custom Auth System</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/unity/anonymous-auth" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/unity/anonymous-auth" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/unity/anonymous-auth" ><span class="devsite-nav-text" tooltip>Anonymous Authentication</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/unity/account-linking" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/unity/account-linking" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/unity/account-linking" ><span class="devsite-nav-text" tooltip>Link Multiple Auth Providers</span></a></li></ul></div></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Admin</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/auth/admin" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/admin" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/admin" ><span class="devsite-nav-text" tooltip>Introduction</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/admin/manage-users" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/admin/manage-users" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/admin/manage-users" ><span class="devsite-nav-text" tooltip>Manage Users</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/admin/import-users" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/admin/import-users" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/admin/import-users" ><span class="devsite-nav-text" tooltip>Import Users</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/admin/create-custom-tokens" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/admin/create-custom-tokens" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/admin/create-custom-tokens" ><span class="devsite-nav-text" tooltip>Create Custom Tokens</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/admin/verify-id-tokens" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/admin/verify-id-tokens" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/admin/verify-id-tokens" ><span class="devsite-nav-text" tooltip>Verify ID Tokens</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/admin/manage-mfa-users" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/admin/manage-mfa-users" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/admin/manage-mfa-users" ><span class="devsite-nav-text" tooltip>Manage Multi-factor Users</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/admin/manage-sessions" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/admin/manage-sessions" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/admin/manage-sessions" ><span class="devsite-nav-text" tooltip>Manage User Sessions</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/admin/manage-cookies" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/admin/manage-cookies" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/admin/manage-cookies" ><span class="devsite-nav-text" tooltip>Manage Session Cookies</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/admin/custom-claims" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/admin/custom-claims" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/admin/custom-claims" ><span class="devsite-nav-text" tooltip>Control Access with Custom Claims</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/admin/email-action-links" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/admin/email-action-links" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/admin/email-action-links" ><span class="devsite-nav-text" tooltip>Generating Email Action Links</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/admin/errors" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/admin/errors" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/admin/errors" ><span class="devsite-nav-text" tooltip>Errors</span></a></li></ul></div></li><li class="devsite-nav-item"><a href="/docs/auth/custom-email-handler" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/custom-email-handler" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/custom-email-handler" ><span class="devsite-nav-text" tooltip>Customize the Email Action Handler</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/extend-with-functions" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/extend-with-functions" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/extend-with-functions" ><span class="devsite-nav-text" tooltip>Extend with Cloud Functions</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/extend-with-blocking-functions" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/extend-with-blocking-functions" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/extend-with-blocking-functions" ><span class="devsite-nav-text" tooltip>Extend with blocking functions</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/email-custom-domain" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/email-custom-domain" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/email-custom-domain" ><span class="devsite-nav-text" tooltip>Email Custom Domains</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/case-studies" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/case-studies" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/case-studies" ><span class="devsite-nav-text" tooltip>Case Studies</span></a></li><li class="devsite-nav-item"><a href="/docs/auth/limits" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/auth/limits" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/auth/limits" ><span class="devsite-nav-text" tooltip>Usage Limits</span></a></li></ul></div></li> <li class="devsite-nav-item devsite-nav-expandable devsite-nav-accordion"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>App Check</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/app-check" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/app-check" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/app-check" ><span class="devsite-nav-text" tooltip>Introduction</span></a></li><li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Get started</span> </div></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Default providers</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/app-check/ios/devicecheck-provider" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/app-check/ios/devicecheck-provider" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/app-check/ios/devicecheck-provider" ><span class="devsite-nav-text" tooltip>iOS+ (DeviceCheck)</span></a></li><li class="devsite-nav-item"><a href="/docs/app-check/ios/app-attest-provider" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/app-check/ios/app-attest-provider" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/app-check/ios/app-attest-provider" ><span class="devsite-nav-text" tooltip>iOS+ (App Attest)</span></a></li><li class="devsite-nav-item"><a href="/docs/app-check/android/play-integrity-provider" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/app-check/android/play-integrity-provider" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/app-check/android/play-integrity-provider" ><span class="devsite-nav-text" tooltip>Android (Play Integrity)</span></a></li><li class="devsite-nav-item"><a href="/docs/app-check/android/safetynet-provider" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/app-check/android/safetynet-provider" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/app-check/android/safetynet-provider" ><span class="devsite-nav-text" tooltip>Android (SafetyNet, deprecated)</span></a></li><li class="devsite-nav-item"><a href="/docs/app-check/web/recaptcha-enterprise-provider" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/app-check/web/recaptcha-enterprise-provider" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/app-check/web/recaptcha-enterprise-provider" ><span class="devsite-nav-text" tooltip>Web (reCAPTCHA Enterprise)</span></a></li><li class="devsite-nav-item"><a href="/docs/app-check/web/recaptcha-provider" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/app-check/web/recaptcha-provider" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/app-check/web/recaptcha-provider" ><span class="devsite-nav-text" tooltip>Web (reCAPTCHA v3)</span></a></li><li class="devsite-nav-item"><a href="/docs/app-check/flutter/default-providers" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/app-check/flutter/default-providers" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/app-check/flutter/default-providers" ><span class="devsite-nav-text" tooltip>Flutter</span></a></li><li class="devsite-nav-item"><a href="/docs/app-check/cpp/default-providers" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/app-check/cpp/default-providers" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/app-check/cpp/default-providers" ><span class="devsite-nav-text" tooltip>C++</span></a></li><li class="devsite-nav-item"><a href="/docs/app-check/unity/default-providers" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/app-check/unity/default-providers" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/app-check/unity/default-providers" ><span class="devsite-nav-text" tooltip>Unity</span></a></li></ul></div></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Custom providers</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/app-check/custom-provider" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/app-check/custom-provider" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/app-check/custom-provider" ><span class="devsite-nav-text" tooltip>Server implementation</span></a></li><li class="devsite-nav-item"><a href="/docs/app-check/ios/custom-provider" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/app-check/ios/custom-provider" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/app-check/ios/custom-provider" ><span class="devsite-nav-text" tooltip>iOS+ client implementation</span></a></li><li class="devsite-nav-item"><a href="/docs/app-check/android/custom-provider" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/app-check/android/custom-provider" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/app-check/android/custom-provider" ><span class="devsite-nav-text" tooltip>Android client implementation</span></a></li><li class="devsite-nav-item"><a href="/docs/app-check/web/custom-provider" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/app-check/web/custom-provider" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/app-check/web/custom-provider" ><span class="devsite-nav-text" tooltip>Web client implementation</span></a></li><li class="devsite-nav-item"><a href="/docs/app-check/cpp/custom-provider" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/app-check/cpp/custom-provider" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/app-check/cpp/custom-provider" ><span class="devsite-nav-text" tooltip>C++ client implementation</span></a></li><li class="devsite-nav-item"><a href="/docs/app-check/unity/custom-provider" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/app-check/unity/custom-provider" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/app-check/unity/custom-provider" ><span class="devsite-nav-text" tooltip>Unity client implementation</span></a></li></ul></div></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Debug & test providers</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/app-check/ios/debug-provider" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/app-check/ios/debug-provider" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/app-check/ios/debug-provider" ><span class="devsite-nav-text" tooltip>Use the debug provider in iOS+</span></a></li><li class="devsite-nav-item"><a href="/docs/app-check/android/debug-provider" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/app-check/android/debug-provider" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/app-check/android/debug-provider" ><span class="devsite-nav-text" tooltip>Use the debug provider in Android</span></a></li><li class="devsite-nav-item"><a href="/docs/app-check/web/debug-provider" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/app-check/web/debug-provider" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/app-check/web/debug-provider" ><span class="devsite-nav-text" tooltip>Use the debug provider in web apps</span></a></li><li class="devsite-nav-item"><a href="/docs/app-check/flutter/debug-provider" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/app-check/flutter/debug-provider" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/app-check/flutter/debug-provider" ><span class="devsite-nav-text" tooltip>Use the debug provider with Flutter</span></a></li><li class="devsite-nav-item"><a href="/docs/app-check/cpp/debug-provider" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/app-check/cpp/debug-provider" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/app-check/cpp/debug-provider" ><span class="devsite-nav-text" tooltip>Use the debug provider with C++</span></a></li><li class="devsite-nav-item"><a href="/docs/app-check/unity/debug-provider" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/app-check/unity/debug-provider" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/app-check/unity/debug-provider" ><span class="devsite-nav-text" tooltip>Use the debug provider in Unity apps</span></a></li></ul></div></li><li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Monitor request metrics</span> </div></li><li class="devsite-nav-item"><a href="/docs/app-check/monitor-metrics" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/app-check/monitor-metrics" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/app-check/monitor-metrics" ><span class="devsite-nav-text" tooltip>Standard Firebase services</span></a></li><li class="devsite-nav-item"><a href="/docs/app-check/monitor-functions-metrics" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/app-check/monitor-functions-metrics" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/app-check/monitor-functions-metrics" ><span class="devsite-nav-text" tooltip>Cloud Functions for Firebase</span></a></li><li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Enable enforcement</span> </div></li><li class="devsite-nav-item"><a href="/docs/app-check/enable-enforcement" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/app-check/enable-enforcement" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/app-check/enable-enforcement" ><span class="devsite-nav-text" tooltip>Standard Firebase services</span></a></li><li class="devsite-nav-item"><a href="/docs/app-check/cloud-functions" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/app-check/cloud-functions" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/app-check/cloud-functions" ><span class="devsite-nav-text" tooltip>Cloud Functions for Firebase</span></a></li><li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Protect non-Firebase resources</span> </div></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Send tokens from the client</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/app-check/ios/custom-resource" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/app-check/ios/custom-resource" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/app-check/ios/custom-resource" ><span class="devsite-nav-text" tooltip>iOS+</span></a></li><li class="devsite-nav-item"><a href="/docs/app-check/android/custom-resource" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/app-check/android/custom-resource" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/app-check/android/custom-resource" ><span class="devsite-nav-text" tooltip>Android</span></a></li><li class="devsite-nav-item"><a href="/docs/app-check/web/custom-resource" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/app-check/web/custom-resource" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/app-check/web/custom-resource" ><span class="devsite-nav-text" tooltip>Web</span></a></li><li class="devsite-nav-item"><a href="/docs/app-check/flutter/custom-resource" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/app-check/flutter/custom-resource" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/app-check/flutter/custom-resource" ><span class="devsite-nav-text" tooltip>Flutter</span></a></li><li class="devsite-nav-item"><a href="/docs/app-check/cpp/custom-resource" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/app-check/cpp/custom-resource" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/app-check/cpp/custom-resource" ><span class="devsite-nav-text" tooltip>C++</span></a></li><li class="devsite-nav-item"><a href="/docs/app-check/unity/custom-resource" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/app-check/unity/custom-resource" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/app-check/unity/custom-resource" ><span class="devsite-nav-text" tooltip>Unity</span></a></li></ul></div></li><li class="devsite-nav-item"><a href="/docs/app-check/custom-resource-backend" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/app-check/custom-resource-backend" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/app-check/custom-resource-backend" ><span class="devsite-nav-text" tooltip>Verify tokens on the backend</span></a></li></ul></div></li> <li class="devsite-nav-item devsite-nav-expandable devsite-nav-accordion devsite-nav-beta"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Data Connect</span><span class="devsite-nav-icon material-icons" data-icon="beta" data-title="Beta" aria-hidden="true"></span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/data-connect" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/data-connect" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/data-connect" ><span class="devsite-nav-text" tooltip>Introduction</span></a></li><li class="devsite-nav-item"><a href="/docs/data-connect/pricing" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/data-connect/pricing" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/data-connect/pricing" ><span class="devsite-nav-text" tooltip>Pricing and billing</span></a></li><li class="devsite-nav-item"><a href="/docs/data-connect/quickstart" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/data-connect/quickstart" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/data-connect/quickstart" ><span class="devsite-nav-text" tooltip>Get started</span></a></li><li class="devsite-nav-item"><a href="/docs/data-connect/quickstart-local" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/data-connect/quickstart-local" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/data-connect/quickstart-local" ><span class="devsite-nav-text" tooltip>Get started (local development)</span></a></li><li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Design schemas and operations</span> </div></li><li class="devsite-nav-item"><a href="/docs/data-connect/schemas-queries-mutations" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/data-connect/schemas-queries-mutations" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/data-connect/schemas-queries-mutations" ><span class="devsite-nav-text" tooltip>Understand GraphQL schemas, queries, and mutations</span></a></li><li class="devsite-nav-item"><a href="/docs/data-connect/authorization-and-security" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/data-connect/authorization-and-security" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/data-connect/authorization-and-security" ><span class="devsite-nav-text" tooltip>Secure operations with authorization</span></a></li><li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Develop and test with Data Connect</span> </div></li><li class="devsite-nav-item"><a href="/docs/data-connect/data-seeding-bulk-operations" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/data-connect/data-seeding-bulk-operations" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/data-connect/data-seeding-bulk-operations" ><span class="devsite-nav-text" tooltip>Seed test data and perform bulk operations</span></a></li><li class="devsite-nav-item"><a href="/docs/data-connect/web-sdk" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/data-connect/web-sdk" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/data-connect/web-sdk" ><span class="devsite-nav-text" tooltip>Generate Web SDKs</span></a></li><li class="devsite-nav-item"><a href="/docs/data-connect/android-sdk" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/data-connect/android-sdk" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/data-connect/android-sdk" ><span class="devsite-nav-text" tooltip>Generate Android SDKs</span></a></li><li class="devsite-nav-item"><a href="/docs/data-connect/ios-sdk" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/data-connect/ios-sdk" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/data-connect/ios-sdk" ><span class="devsite-nav-text" tooltip>Generate iOS SDKs</span></a></li><li class="devsite-nav-item"><a href="/docs/data-connect/flutter-sdk" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/data-connect/flutter-sdk" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/data-connect/flutter-sdk" ><span class="devsite-nav-text" tooltip>Generate Flutter SDKs</span></a></li><li class="devsite-nav-item"><a href="/docs/data-connect/data-connect-emulator-suite" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/data-connect/data-connect-emulator-suite" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/data-connect/data-connect-emulator-suite" ><span class="devsite-nav-text" tooltip>Use the Data Connect emulator for CI/CD</span></a></li><li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Manage Data Connect projects</span> </div></li><li class="devsite-nav-item"><a href="/docs/data-connect/manage-schemas-and-connectors" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/data-connect/manage-schemas-and-connectors" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/data-connect/manage-schemas-and-connectors" ><span class="devsite-nav-text" tooltip>Manage schemas and connectors</span></a></li><li class="devsite-nav-item"><a href="/docs/data-connect/manage-services-and-databases" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/data-connect/manage-services-and-databases" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/data-connect/manage-services-and-databases" ><span class="devsite-nav-text" tooltip>Manage services and databases</span></a></li><li class="devsite-nav-item"><a href="/docs/data-connect/admin-sdk" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/data-connect/admin-sdk" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/data-connect/admin-sdk" ><span class="devsite-nav-text" tooltip>Run privileged operations with the Firebase Admin SDK</span></a></li><li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Data Connect solutions</span> </div></li><li class="devsite-nav-item"><a href="/docs/data-connect/solutions-vector-similarity-search" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/data-connect/solutions-vector-similarity-search" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/data-connect/solutions-vector-similarity-search" ><span class="devsite-nav-text" tooltip>Perform vector similarity search</span></a></li><li class="devsite-nav-item"><a href="/docs/data-connect/ai-assistance" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/data-connect/ai-assistance" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/data-connect/ai-assistance" ><span class="devsite-nav-text" tooltip>Use AI assistance for queries and mutations</span></a></li><li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>GraphQL language reference guides</span> </div></li><li class="devsite-nav-item"><a href="/docs/reference/data-connect/gql/directive" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/reference/data-connect/gql/directive" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/reference/data-connect/gql/directive" ><span class="devsite-nav-text" tooltip>Directives reference</span></a></li><li class="devsite-nav-item"><a href="/docs/reference/data-connect/gql/query" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/reference/data-connect/gql/query" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/reference/data-connect/gql/query" ><span class="devsite-nav-text" tooltip>Queries reference</span></a></li><li class="devsite-nav-item"><a href="/docs/reference/data-connect/gql/mutation" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/reference/data-connect/gql/mutation" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/reference/data-connect/gql/mutation" ><span class="devsite-nav-text" tooltip>Mutations reference</span></a></li><li class="devsite-nav-item"><a href="/docs/reference/data-connect/gql/object" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/reference/data-connect/gql/object" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/reference/data-connect/gql/object" ><span class="devsite-nav-text" tooltip>Objects reference</span></a></li><li class="devsite-nav-item"><a href="/docs/reference/data-connect/gql/input_object" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/reference/data-connect/gql/input_object" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/reference/data-connect/gql/input_object" ><span class="devsite-nav-text" tooltip>Input objects reference</span></a></li><li class="devsite-nav-item"><a href="/docs/reference/data-connect/gql/scalar" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/reference/data-connect/gql/scalar" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/reference/data-connect/gql/scalar" ><span class="devsite-nav-text" tooltip>Scalars reference</span></a></li><li class="devsite-nav-item"><a href="/docs/reference/data-connect/gql/enum" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/reference/data-connect/gql/enum" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/reference/data-connect/gql/enum" ><span class="devsite-nav-text" tooltip>Enums reference</span></a></li><li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Additional reference guides</span> </div></li><li class="devsite-nav-item"><a href="/docs/data-connect/cli-reference" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/data-connect/cli-reference" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/data-connect/cli-reference" ><span class="devsite-nav-text" tooltip>CLI reference</span></a></li><li class="devsite-nav-item"><a href="/docs/data-connect/configuration-reference" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/data-connect/configuration-reference" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/data-connect/configuration-reference" ><span class="devsite-nav-text" tooltip>Configuration and security reference</span></a></li><li class="devsite-nav-item"><a href="/docs/data-connect/cel-reference" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/data-connect/cel-reference" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/data-connect/cel-reference" ><span class="devsite-nav-text" tooltip>Common Expression Language (CEL) reference</span></a></li><li class="devsite-nav-item"><a href="/docs/data-connect/cloud-audit-logging" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/data-connect/cloud-audit-logging" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/data-connect/cloud-audit-logging" ><span class="devsite-nav-text" tooltip>Cloud Audit Logging reference</span></a></li></ul></div></li> <li class="devsite-nav-item devsite-nav-expandable devsite-nav-accordion"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Cloud Firestore</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/firestore" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore" ><span class="devsite-nav-text" tooltip>Introduction</span></a></li><li class="devsite-nav-item"><a href="/docs/firestore/quickstart" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/quickstart" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/quickstart" ><span class="devsite-nav-text" tooltip>Get started</span></a></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Understand Cloud Firestore</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/firestore/rtdb-vs-firestore" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/rtdb-vs-firestore" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/rtdb-vs-firestore" ><span class="devsite-nav-text" tooltip>Compare Cloud Firestore and Realtime Database</span></a></li><li class="devsite-nav-item"><a href="/docs/firestore/data-model" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/data-model" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/data-model" ><span class="devsite-nav-text" tooltip>Data model</span></a></li><li class="devsite-nav-item"><a href="/docs/firestore/manage-data/data-types" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/manage-data/data-types" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/manage-data/data-types" ><span class="devsite-nav-text" tooltip>Data types</span></a></li><li class="devsite-nav-item"><a href="/docs/firestore/client/libraries" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/client/libraries" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/client/libraries" ><span class="devsite-nav-text" tooltip>SDKs and client libraries</span></a></li><li class="devsite-nav-item"><a href="/docs/firestore/query-data/index-overview" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/query-data/index-overview" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/query-data/index-overview" ><span class="devsite-nav-text" tooltip>Index types</span></a></li><li class="devsite-nav-item"><a href="/docs/firestore/locations" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/locations" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/locations" ><span class="devsite-nav-text" tooltip>Database locations</span></a></li><li class="devsite-nav-item"><a href="/docs/firestore/bundles" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/bundles" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/bundles" ><span class="devsite-nav-text" tooltip>Data bundles</span></a></li></ul></div></li><li class="devsite-nav-item"><a href="/docs/firestore/manage-databases" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/manage-databases" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/manage-databases" ><span class="devsite-nav-text" tooltip>Manage databases</span></a></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Add and manage data</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/firestore/manage-data/structure-data" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/manage-data/structure-data" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/manage-data/structure-data" ><span class="devsite-nav-text" tooltip>Structure data</span></a></li><li class="devsite-nav-item"><a href="/docs/firestore/manage-data/add-data" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/manage-data/add-data" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/manage-data/add-data" ><span class="devsite-nav-text" tooltip>Add data</span></a></li><li class="devsite-nav-item"><a href="/docs/firestore/manage-data/transactions" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/manage-data/transactions" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/manage-data/transactions" ><span class="devsite-nav-text" tooltip>Transactions and batched writes</span></a></li><li class="devsite-nav-item"><a href="/docs/firestore/transaction-data-contention" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/transaction-data-contention" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/transaction-data-contention" ><span class="devsite-nav-text" tooltip>Data contention in transaction</span></a></li><li class="devsite-nav-item"><a href="/docs/firestore/manage-data/delete-data" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/manage-data/delete-data" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/manage-data/delete-data" ><span class="devsite-nav-text" tooltip>Delete data</span></a></li><li class="devsite-nav-item"><a href="/docs/firestore/using-console" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/using-console" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/using-console" ><span class="devsite-nav-text" tooltip>Manage Cloud Firestore with the Firebase console</span></a></li><li class="devsite-nav-item"><a href="/docs/firestore/manage-data/export-import" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/manage-data/export-import" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/manage-data/export-import" ><span class="devsite-nav-text" tooltip>Export and import data</span></a></li><li class="devsite-nav-item"><a href="/docs/firestore/ttl" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/ttl" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/ttl" ><span class="devsite-nav-text" tooltip>Manage data retention with time-to-live policies</span></a></li><li class="devsite-nav-item"><a href="/docs/firestore/dataflow-connector" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/dataflow-connector" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/dataflow-connector" ><span class="devsite-nav-text" tooltip>Process data in bulk with Dataflow</span></a></li><li class="devsite-nav-item"><a href="/docs/firestore/manage-data/move-data" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/manage-data/move-data" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/manage-data/move-data" ><span class="devsite-nav-text" tooltip>Move data between projects</span></a></li><li class="devsite-nav-item devsite-nav-preview"><a href="/docs/firestore/manage-data/bulk-delete" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/manage-data/bulk-delete" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/manage-data/bulk-delete" ><span class="devsite-nav-text" tooltip>Bulk delete data</span><span class="devsite-nav-icon material-icons" data-icon="preview" data-title="Preview" aria-hidden="true"></span></a></li></ul></div></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Read data</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/firestore/query-data/get-data" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/query-data/get-data" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/query-data/get-data" ><span class="devsite-nav-text" tooltip>Get data</span></a></li><li class="devsite-nav-item"><a href="/docs/firestore/query-data/listen" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/query-data/listen" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/query-data/listen" ><span class="devsite-nav-text" tooltip>Get real-time updates</span></a></li><li class="devsite-nav-item"><a href="/docs/firestore/query-data/queries" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/query-data/queries" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/query-data/queries" ><span class="devsite-nav-text" tooltip>Perform simple and compound queries</span></a></li><li class="devsite-nav-item"><a href="/docs/firestore/query-data/order-limit-data" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/query-data/order-limit-data" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/query-data/order-limit-data" ><span class="devsite-nav-text" tooltip>Order and limit data</span></a></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Query with range & inequality filters on multiple fields</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/firestore/query-data/multiple-range-fields" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/query-data/multiple-range-fields" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/query-data/multiple-range-fields" ><span class="devsite-nav-text" tooltip>Overview</span></a></li><li class="devsite-nav-item"><a href="/docs/firestore/query-data/multiple-range-optimize-indexes" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/query-data/multiple-range-optimize-indexes" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/query-data/multiple-range-optimize-indexes" ><span class="devsite-nav-text" tooltip>Optimize your queries</span></a></li></ul></div></li><li class="devsite-nav-item"><a href="/docs/firestore/query-data/aggregation-queries" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/query-data/aggregation-queries" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/query-data/aggregation-queries" ><span class="devsite-nav-text" tooltip>Summarize data with aggregation queries</span></a></li><li class="devsite-nav-item"><a href="/docs/firestore/query-data/query-cursors" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/query-data/query-cursors" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/query-data/query-cursors" ><span class="devsite-nav-text" tooltip>Paginate data with query cursors</span></a></li><li class="devsite-nav-item"><a href="/docs/firestore/manage-data/enable-offline" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/manage-data/enable-offline" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/manage-data/enable-offline" ><span class="devsite-nav-text" tooltip>Access data offline</span></a></li><li class="devsite-nav-item"><a href="/docs/firestore/vector-search" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/vector-search" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/vector-search" ><span class="devsite-nav-text" tooltip>Search with vector embeddings</span></a></li><li class="devsite-nav-item"><a href="/docs/firestore/query-data/indexing" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/query-data/indexing" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/query-data/indexing" ><span class="devsite-nav-text" tooltip>Manage indexes</span></a></li></ul></div></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Secure and validate data</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/firestore/security/overview" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/security/overview" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/security/overview" ><span class="devsite-nav-text" tooltip>Overview</span></a></li><li class="devsite-nav-item"><a href="/docs/firestore/security/get-started" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/security/get-started" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/security/get-started" ><span class="devsite-nav-text" tooltip>Get started</span></a></li><li class="devsite-nav-item"><a href="/docs/firestore/security/rules-structure" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/security/rules-structure" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/security/rules-structure" ><span class="devsite-nav-text" tooltip>Structure Security Rules</span></a></li><li class="devsite-nav-item"><a href="/docs/firestore/security/rules-conditions" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/security/rules-conditions" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/security/rules-conditions" ><span class="devsite-nav-text" tooltip>Writing conditions for Security Rules</span></a></li><li class="devsite-nav-item"><a href="/docs/firestore/security/insecure-rules" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/security/insecure-rules" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/security/insecure-rules" ><span class="devsite-nav-text" tooltip>Fix insecure rules</span></a></li><li class="devsite-nav-item"><a href="/docs/firestore/security/test-rules-emulator" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/security/test-rules-emulator" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/security/test-rules-emulator" ><span class="devsite-nav-text" tooltip>Test your Security Rules</span></a></li><li class="devsite-nav-item"><a href="/docs/firestore/security/rules-query" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/security/rules-query" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/security/rules-query" ><span class="devsite-nav-text" tooltip>Securely query data</span></a></li><li class="devsite-nav-item"><a href="/docs/firestore/security/rules-fields" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/security/rules-fields" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/security/rules-fields" ><span class="devsite-nav-text" tooltip>Control access per field</span></a></li></ul></div></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Solutions</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/firestore/solutions" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/solutions" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/solutions" ><span class="devsite-nav-text" tooltip>Overview</span></a></li><li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Solutions using Firebase Extensions</span> </div></li><li class="devsite-nav-item devsite-nav-new"><a href="/docs/firestore/solutions/bigquery" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/solutions/bigquery" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/solutions/bigquery" ><span class="devsite-nav-text" tooltip>Integrate with BigQuery</span><span class="devsite-nav-icon material-icons" data-icon="new" data-title="New!" aria-hidden="true"></span></a></li><li class="devsite-nav-item devsite-nav-new"><a href="/docs/firestore/solutions/ai-chatbot" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/solutions/ai-chatbot" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/solutions/ai-chatbot" ><span class="devsite-nav-text" tooltip>Implement an AI-driven chatbot</span><span class="devsite-nav-icon material-icons" data-icon="new" data-title="New!" aria-hidden="true"></span></a></li><li class="devsite-nav-item devsite-nav-new"><a href="/docs/firestore/solutions/enriched-text" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/solutions/enriched-text" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/solutions/enriched-text" ><span class="devsite-nav-text" tooltip>Enrich handling of text</span><span class="devsite-nav-icon material-icons" data-icon="new" data-title="New!" aria-hidden="true"></span></a></li><li class="devsite-nav-item devsite-nav-new"><a href="/docs/firestore/solutions/enriched-media" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/solutions/enriched-media" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/solutions/enriched-media" ><span class="devsite-nav-text" tooltip>Enhance value of media</span><span class="devsite-nav-icon material-icons" data-icon="new" data-title="New!" aria-hidden="true"></span></a></li><li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Solutions using guided custom implementations</span> </div></li><li class="devsite-nav-item"><a href="/docs/firestore/solutions/generative-ai-index" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/solutions/generative-ai-index" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/solutions/generative-ai-index" ><span class="devsite-nav-text" tooltip>Develop generative AI features</span></a></li><li class="devsite-nav-item"><a href="/docs/firestore/solutions/firestore-lite" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/solutions/firestore-lite" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/solutions/firestore-lite" ><span class="devsite-nav-text" tooltip>Firestore Lite Web SDK</span></a></li><li class="devsite-nav-item"><a href="/docs/firestore/solutions/aggregation" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/solutions/aggregation" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/solutions/aggregation" ><span class="devsite-nav-text" tooltip>Write-time aggregations</span></a></li><li class="devsite-nav-item"><a href="/docs/firestore/solutions/counters" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/solutions/counters" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/solutions/counters" ><span class="devsite-nav-text" tooltip>Distributed counters</span></a></li><li class="devsite-nav-item"><a href="/docs/firestore/solutions/search" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/solutions/search" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/solutions/search" ><span class="devsite-nav-text" tooltip>Full-text search</span></a></li><li class="devsite-nav-item"><a href="/docs/firestore/solutions/presence" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/solutions/presence" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/solutions/presence" ><span class="devsite-nav-text" tooltip>Build presence</span></a></li><li class="devsite-nav-item"><a href="/docs/firestore/solutions/role-based-access" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/solutions/role-based-access" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/solutions/role-based-access" ><span class="devsite-nav-text" tooltip>Secure data access for users and groups</span></a></li><li class="devsite-nav-item"><a href="/docs/firestore/solutions/delete-collections" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/solutions/delete-collections" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/solutions/delete-collections" ><span class="devsite-nav-text" tooltip>Delete data with a callable Cloud Function</span></a></li><li class="devsite-nav-item"><a href="/docs/firestore/solutions/schedule-export" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/solutions/schedule-export" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/solutions/schedule-export" ><span class="devsite-nav-text" tooltip>Schedule data exports</span></a></li><li class="devsite-nav-item"><a href="/docs/firestore/solutions/shard-timestamp" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/solutions/shard-timestamp" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/solutions/shard-timestamp" ><span class="devsite-nav-text" tooltip>Sharded timestamps</span></a></li><li class="devsite-nav-item"><a href="/docs/firestore/solutions/geoqueries" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/solutions/geoqueries" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/solutions/geoqueries" ><span class="devsite-nav-text" tooltip>Geo queries</span></a></li><li class="devsite-nav-item"><a href="/docs/firestore/solutions/serve-bundles" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/solutions/serve-bundles" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/solutions/serve-bundles" ><span class="devsite-nav-text" tooltip>Serve bundled Firestore content from a CDN</span></a></li></ul></div></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Usage, limits, and pricing</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/firestore/quotas" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/quotas" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/quotas" ><span class="devsite-nav-text" tooltip>Usage and limits</span></a></li><li class="devsite-nav-item"><a href="/docs/firestore/monitor-usage" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/monitor-usage" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/monitor-usage" ><span class="devsite-nav-text" tooltip>Monitor usage</span></a></li><li class="devsite-nav-item"><a href="/docs/firestore/query-explain" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/query-explain" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/query-explain" ><span class="devsite-nav-text" tooltip>Explain query performance</span></a></li><li class="devsite-nav-item"><a href="/docs/firestore/reference/query-explain-report-reference" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/reference/query-explain-report-reference" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/reference/query-explain-report-reference" ><span class="devsite-nav-text" tooltip>Query Explain report reference</span></a></li><li class="devsite-nav-item"><a href="/docs/firestore/pricing" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/pricing" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/pricing" ><span class="devsite-nav-text" tooltip>Understand Cloud Firestore billing</span></a></li><li class="devsite-nav-item"><a href="/docs/firestore/billing-example" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/billing-example" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/billing-example" ><span class="devsite-nav-text" tooltip>Example Cloud Firestore costs</span></a></li><li class="devsite-nav-item"><a href="/docs/firestore/storage-size" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/storage-size" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/storage-size" ><span class="devsite-nav-text" tooltip>Understand storage size calculations</span></a></li></ul></div></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Backups and point-in-time recovery</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/firestore/disaster-recovery" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/disaster-recovery" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/disaster-recovery" ><span class="devsite-nav-text" tooltip>Disaster recovery planning</span></a></li><li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Scheduled backups</span> </div></li><li class="devsite-nav-item"><a href="/docs/firestore/backups" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/backups" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/backups" ><span class="devsite-nav-text" tooltip>Create a backup schedule and restore data</span></a></li><li class="devsite-nav-item"><a href="/docs/firestore/restore-in-place" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/restore-in-place" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/restore-in-place" ><span class="devsite-nav-text" tooltip>Perform an in-place restore</span></a></li><li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Point-in-time recovery (PITR)</span> </div></li><li class="devsite-nav-item"><a href="/docs/firestore/pitr" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/pitr" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/pitr" ><span class="devsite-nav-text" tooltip>PITR overview</span></a></li><li class="devsite-nav-item"><a href="/docs/firestore/use-pitr" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/use-pitr" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/firestore/use-pitr" ><span class="devsite-nav-text" tooltip>Work with PITR</span></a></li></ul></div></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Techniques and best practices</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/firestore/best-practices" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/firestore/best-practices" 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class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/reference/cpp/namespace/firebase/firestore" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/reference/cpp/namespace/firebase/firestore" ><span class="devsite-nav-text" tooltip>C++</span></a></li><li class="devsite-nav-item"><a href="/docs/reference/unity/namespace/firebase/firestore" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/reference/unity/namespace/firebase/firestore" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/reference/unity/namespace/firebase/firestore" ><span class="devsite-nav-text" tooltip>Unity</span></a></li><li class="devsite-nav-item"><a href="/docs/firestore/reference/rest" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: 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track-name="click" track-metadata-eventdetail="/docs/firestore/client/samples-web" ><span class="devsite-nav-text" tooltip>Web</span></a></li></ul></div></li></ul></div></li> <li class="devsite-nav-item devsite-nav-expandable devsite-nav-accordion"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Realtime Database</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/database" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/database" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/database" ><span class="devsite-nav-text" tooltip>Introduction</span></a></li><li class="devsite-nav-item"><a href="/docs/database/rtdb-vs-firestore" class="devsite-nav-title gc-analytics-event" 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class="devsite-nav-item"><a href="/docs/database/android/start" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/database/android/start" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/database/android/start" ><span class="devsite-nav-text" tooltip>Get Started</span></a></li><li class="devsite-nav-item"><a href="/docs/database/android/structure-data" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/database/android/structure-data" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/database/android/structure-data" ><span class="devsite-nav-text" tooltip>Structure Data</span></a></li><li class="devsite-nav-item"><a href="/docs/database/android/read-and-write" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: 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data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/database/web/structure-data" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/database/web/structure-data" ><span class="devsite-nav-text" tooltip>Structure Data</span></a></li><li class="devsite-nav-item"><a href="/docs/database/web/read-and-write" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/database/web/read-and-write" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/database/web/read-and-write" ><span class="devsite-nav-text" tooltip>Read and Write Data</span></a></li><li class="devsite-nav-item"><a href="/docs/database/web/lists-of-data" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/database/web/lists-of-data" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/database/web/lists-of-data" ><span class="devsite-nav-text" tooltip>Work with Lists of Data</span></a></li><li class="devsite-nav-item"><a href="/docs/database/web/offline-capabilities" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/database/web/offline-capabilities" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/database/web/offline-capabilities" ><span class="devsite-nav-text" tooltip>Enable Offline Capabilities</span></a></li></ul></div></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Flutter</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/database/flutter/start" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/database/flutter/start" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/database/flutter/start" ><span class="devsite-nav-text" tooltip>Get Started</span></a></li><li class="devsite-nav-item"><a href="/docs/database/flutter/structure-data" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/database/flutter/structure-data" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/database/flutter/structure-data" ><span class="devsite-nav-text" tooltip>Structure Data</span></a></li><li class="devsite-nav-item"><a href="/docs/database/flutter/read-and-write" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/database/flutter/read-and-write" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/database/flutter/read-and-write" ><span class="devsite-nav-text" tooltip>Read and Write Data</span></a></li><li class="devsite-nav-item"><a href="/docs/database/flutter/lists-of-data" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/database/flutter/lists-of-data" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/database/flutter/lists-of-data" ><span class="devsite-nav-text" tooltip>Work with Lists of Data</span></a></li><li class="devsite-nav-item"><a href="/docs/database/flutter/offline-capabilities" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/database/flutter/offline-capabilities" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/database/flutter/offline-capabilities" ><span class="devsite-nav-text" tooltip>Enable Offline Capabilities</span></a></li></ul></div></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Admin</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/database/admin/start" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/database/admin/start" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/database/admin/start" ><span class="devsite-nav-text" tooltip>Get Started</span></a></li><li class="devsite-nav-item"><a href="/docs/database/admin/structure-data" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/database/admin/structure-data" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/database/admin/structure-data" ><span class="devsite-nav-text" tooltip>Structure Data</span></a></li><li class="devsite-nav-item"><a href="/docs/database/admin/save-data" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/database/admin/save-data" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/database/admin/save-data" ><span class="devsite-nav-text" tooltip>Save Data</span></a></li><li class="devsite-nav-item"><a href="/docs/database/admin/retrieve-data" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/database/admin/retrieve-data" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/database/admin/retrieve-data" ><span class="devsite-nav-text" tooltip>Retrieve Data</span></a></li></ul></div></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>REST</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/database/rest/start" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/database/rest/start" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/database/rest/start" ><span class="devsite-nav-text" tooltip>Get Started</span></a></li><li class="devsite-nav-item"><a href="/docs/database/rest/structure-data" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/database/rest/structure-data" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/database/rest/structure-data" ><span class="devsite-nav-text" tooltip>Structure Data</span></a></li><li class="devsite-nav-item"><a href="/docs/database/rest/save-data" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/database/rest/save-data" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/database/rest/save-data" ><span class="devsite-nav-text" tooltip>Save Data</span></a></li><li class="devsite-nav-item"><a href="/docs/database/rest/retrieve-data" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/database/rest/retrieve-data" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/database/rest/retrieve-data" ><span class="devsite-nav-text" tooltip>Retrieve Data</span></a></li><li class="devsite-nav-item"><a href="/docs/database/rest/auth" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/database/rest/auth" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/database/rest/auth" ><span class="devsite-nav-text" tooltip>Authenticate REST Requests</span></a></li></ul></div></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>C++</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/database/cpp/start" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/database/cpp/start" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/database/cpp/start" ><span class="devsite-nav-text" tooltip>Get Started</span></a></li><li class="devsite-nav-item"><a href="/docs/database/cpp/structure-data" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/database/cpp/structure-data" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/database/cpp/structure-data" ><span class="devsite-nav-text" tooltip>Structure Data</span></a></li><li class="devsite-nav-item"><a href="/docs/database/cpp/save-data" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/database/cpp/save-data" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/database/cpp/save-data" ><span class="devsite-nav-text" tooltip>Save Data</span></a></li><li class="devsite-nav-item"><a href="/docs/database/cpp/retrieve-data" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/database/cpp/retrieve-data" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/database/cpp/retrieve-data" ><span class="devsite-nav-text" tooltip>Retrieve Data</span></a></li></ul></div></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Unity</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/database/unity/start" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/database/unity/start" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/database/unity/start" ><span class="devsite-nav-text" tooltip>Get Started</span></a></li><li class="devsite-nav-item"><a href="/docs/database/unity/structure-data" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/database/unity/structure-data" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/database/unity/structure-data" ><span class="devsite-nav-text" tooltip>Structure Data</span></a></li><li class="devsite-nav-item"><a href="/docs/database/unity/save-data" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/database/unity/save-data" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/database/unity/save-data" ><span class="devsite-nav-text" tooltip>Save Data</span></a></li><li class="devsite-nav-item"><a href="/docs/database/unity/retrieve-data" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/database/unity/retrieve-data" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/database/unity/retrieve-data" ><span class="devsite-nav-text" tooltip>Retrieve Data</span></a></li></ul></div></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Security & Rules</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/database/security" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/database/security" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/database/security" ><span class="devsite-nav-text" tooltip>Understand Rules</span></a></li><li class="devsite-nav-item"><a href="/docs/database/security/get-started" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/database/security/get-started" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/database/security/get-started" ><span class="devsite-nav-text" tooltip>Get Started</span></a></li><li class="devsite-nav-item"><a href="/docs/database/security/core-syntax" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/database/security/core-syntax" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/database/security/core-syntax" ><span class="devsite-nav-text" tooltip>Structure Security Rules</span></a></li><li class="devsite-nav-item"><a href="/docs/database/security/rules-conditions" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/database/security/rules-conditions" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/database/security/rules-conditions" ><span class="devsite-nav-text" tooltip>Write Conditions for Security Rules</span></a></li><li class="devsite-nav-item"><a href="/docs/database/security/indexing-data" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/database/security/indexing-data" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/database/security/indexing-data" ><span class="devsite-nav-text" tooltip>Index Data</span></a></li><li class="devsite-nav-item"><a href="/docs/database/rest/app-management" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/database/rest/app-management" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/database/rest/app-management" ><span class="devsite-nav-text" tooltip>Manage Rules via REST</span></a></li></ul></div></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Usage and Performance</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/database/usage/billing" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/database/usage/billing" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/database/usage/billing" ><span class="devsite-nav-text" tooltip>Understand Billing</span></a></li><li class="devsite-nav-item"><a href="/docs/database/usage/limits" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/database/usage/limits" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/database/usage/limits" ><span class="devsite-nav-text" tooltip>Realtime Database Limits</span></a></li><li class="devsite-nav-item"><a href="/docs/database/usage/monitor-usage" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/database/usage/monitor-usage" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/database/usage/monitor-usage" ><span class="devsite-nav-text" tooltip>Monitor Database Usage</span></a></li><li class="devsite-nav-item"><a href="/docs/database/usage/monitor-performance" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/database/usage/monitor-performance" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/database/usage/monitor-performance" ><span class="devsite-nav-text" tooltip>Monitor Database Performance</span></a></li><li class="devsite-nav-item"><a href="/docs/database/usage/sharding" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/database/usage/sharding" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/database/usage/sharding" ><span class="devsite-nav-text" tooltip>Scale with Multiple Databases</span></a></li><li class="devsite-nav-item"><a href="/docs/database/usage/profile" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/database/usage/profile" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/database/usage/profile" ><span class="devsite-nav-text" tooltip>Profile Your Database</span></a></li><li class="devsite-nav-item"><a href="/docs/database/usage/optimize" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/database/usage/optimize" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/database/usage/optimize" ><span class="devsite-nav-text" tooltip>Optimize Database Performance</span></a></li></ul></div></li><li class="devsite-nav-item"><a href="/docs/database/locations" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/database/locations" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/database/locations" ><span class="devsite-nav-text" tooltip>Locations</span></a></li><li class="devsite-nav-item"><a href="/docs/database/backups" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/database/backups" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/database/backups" ><span class="devsite-nav-text" tooltip>Automated Backups</span></a></li><li class="devsite-nav-item"><a href="/docs/database/extend-with-functions" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/database/extend-with-functions" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/database/extend-with-functions" ><span class="devsite-nav-text" tooltip>Extend with Cloud Functions</span></a></li><li class="devsite-nav-item"><a href="/docs/database/video-series" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/database/video-series" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/database/video-series" ><span class="devsite-nav-text" tooltip>Video series: Firebase for SQL Developers</span></a></li></ul></div></li> <li class="devsite-nav-item devsite-nav-expandable devsite-nav-accordion"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Storage</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/storage" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/storage" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/storage" ><span class="devsite-nav-text" tooltip>Introduction</span></a></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>iOS+</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/storage/ios/start" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/storage/ios/start" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/storage/ios/start" ><span class="devsite-nav-text" tooltip>Get Started</span></a></li><li class="devsite-nav-item"><a href="/docs/storage/ios/create-reference" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/storage/ios/create-reference" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/storage/ios/create-reference" ><span class="devsite-nav-text" tooltip>Create a Reference</span></a></li><li class="devsite-nav-item"><a href="/docs/storage/ios/upload-files" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/storage/ios/upload-files" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/storage/ios/upload-files" ><span class="devsite-nav-text" tooltip>Upload Files</span></a></li><li class="devsite-nav-item"><a href="/docs/storage/ios/download-files" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/storage/ios/download-files" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/storage/ios/download-files" ><span class="devsite-nav-text" tooltip>Download Files</span></a></li><li class="devsite-nav-item"><a href="/docs/storage/ios/file-metadata" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/storage/ios/file-metadata" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/storage/ios/file-metadata" ><span class="devsite-nav-text" tooltip>Use File Metadata</span></a></li><li class="devsite-nav-item"><a href="/docs/storage/ios/delete-files" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/storage/ios/delete-files" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/storage/ios/delete-files" ><span class="devsite-nav-text" tooltip>Delete Files</span></a></li><li class="devsite-nav-item"><a href="/docs/storage/ios/list-files" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/storage/ios/list-files" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/storage/ios/list-files" ><span class="devsite-nav-text" tooltip>List Files</span></a></li><li class="devsite-nav-item"><a href="/docs/storage/ios/handle-errors" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/storage/ios/handle-errors" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/storage/ios/handle-errors" ><span class="devsite-nav-text" tooltip>Handle Errors</span></a></li></ul></div></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Android</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/storage/android/start" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/storage/android/start" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/storage/android/start" ><span class="devsite-nav-text" tooltip>Get Started</span></a></li><li class="devsite-nav-item"><a href="/docs/storage/android/create-reference" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/storage/android/create-reference" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/storage/android/create-reference" ><span class="devsite-nav-text" tooltip>Create a Reference</span></a></li><li class="devsite-nav-item"><a href="/docs/storage/android/upload-files" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/storage/android/upload-files" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/storage/android/upload-files" ><span class="devsite-nav-text" tooltip>Upload Files</span></a></li><li class="devsite-nav-item"><a href="/docs/storage/android/download-files" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/storage/android/download-files" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/storage/android/download-files" ><span class="devsite-nav-text" tooltip>Download Files</span></a></li><li class="devsite-nav-item"><a href="/docs/storage/android/file-metadata" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/storage/android/file-metadata" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/storage/android/file-metadata" ><span class="devsite-nav-text" tooltip>Use File Metadata</span></a></li><li class="devsite-nav-item"><a href="/docs/storage/android/delete-files" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/storage/android/delete-files" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/storage/android/delete-files" ><span class="devsite-nav-text" tooltip>Delete Files</span></a></li><li class="devsite-nav-item"><a href="/docs/storage/android/list-files" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/storage/android/list-files" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/storage/android/list-files" ><span class="devsite-nav-text" tooltip>List Files</span></a></li><li class="devsite-nav-item"><a href="/docs/storage/android/handle-errors" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/storage/android/handle-errors" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/storage/android/handle-errors" ><span class="devsite-nav-text" tooltip>Handle Errors</span></a></li></ul></div></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Web</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/storage/web/start" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/storage/web/start" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/storage/web/start" ><span class="devsite-nav-text" tooltip>Get Started</span></a></li><li class="devsite-nav-item"><a href="/docs/storage/web/create-reference" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/storage/web/create-reference" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/storage/web/create-reference" ><span class="devsite-nav-text" tooltip>Create a Reference</span></a></li><li class="devsite-nav-item"><a href="/docs/storage/web/upload-files" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/storage/web/upload-files" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/storage/web/upload-files" ><span class="devsite-nav-text" tooltip>Upload Files</span></a></li><li class="devsite-nav-item"><a href="/docs/storage/web/download-files" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/storage/web/download-files" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/storage/web/download-files" ><span class="devsite-nav-text" tooltip>Download Files</span></a></li><li class="devsite-nav-item"><a href="/docs/storage/web/file-metadata" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/storage/web/file-metadata" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/storage/web/file-metadata" ><span class="devsite-nav-text" tooltip>Use File Metadata</span></a></li><li class="devsite-nav-item"><a href="/docs/storage/web/delete-files" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/storage/web/delete-files" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/storage/web/delete-files" ><span class="devsite-nav-text" tooltip>Delete Files</span></a></li><li class="devsite-nav-item"><a href="/docs/storage/web/list-files" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/storage/web/list-files" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/storage/web/list-files" ><span class="devsite-nav-text" tooltip>List Files</span></a></li><li class="devsite-nav-item"><a href="/docs/storage/web/handle-errors" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/storage/web/handle-errors" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/storage/web/handle-errors" ><span class="devsite-nav-text" tooltip>Handle Errors</span></a></li></ul></div></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Flutter</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/storage/flutter/start" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/storage/flutter/start" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/storage/flutter/start" ><span class="devsite-nav-text" tooltip>Get Started</span></a></li><li class="devsite-nav-item"><a href="/docs/storage/flutter/create-reference" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/storage/flutter/create-reference" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/storage/flutter/create-reference" ><span class="devsite-nav-text" tooltip>Create a Reference</span></a></li><li class="devsite-nav-item"><a href="/docs/storage/flutter/upload-files" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/storage/flutter/upload-files" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/storage/flutter/upload-files" ><span class="devsite-nav-text" tooltip>Upload Files</span></a></li><li class="devsite-nav-item"><a href="/docs/storage/flutter/download-files" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/storage/flutter/download-files" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/storage/flutter/download-files" ><span class="devsite-nav-text" tooltip>Download Files</span></a></li><li class="devsite-nav-item"><a href="/docs/storage/flutter/file-metadata" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/storage/flutter/file-metadata" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/storage/flutter/file-metadata" ><span class="devsite-nav-text" tooltip>Use File Metadata</span></a></li><li class="devsite-nav-item"><a href="/docs/storage/flutter/delete-files" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/storage/flutter/delete-files" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/storage/flutter/delete-files" ><span class="devsite-nav-text" tooltip>Delete Files</span></a></li><li class="devsite-nav-item"><a href="/docs/storage/flutter/list-files" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/storage/flutter/list-files" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/storage/flutter/list-files" ><span class="devsite-nav-text" tooltip>List Files</span></a></li><li class="devsite-nav-item"><a href="/docs/storage/flutter/handle-errors" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/storage/flutter/handle-errors" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/storage/flutter/handle-errors" ><span class="devsite-nav-text" tooltip>Handle Errors</span></a></li></ul></div></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Admin</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/storage/admin/start" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/storage/admin/start" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/storage/admin/start" ><span class="devsite-nav-text" tooltip>Get Started</span></a></li></ul></div></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>C++</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/storage/cpp/start" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/storage/cpp/start" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/storage/cpp/start" ><span class="devsite-nav-text" tooltip>Get Started</span></a></li><li class="devsite-nav-item"><a href="/docs/storage/cpp/create-reference" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/storage/cpp/create-reference" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/storage/cpp/create-reference" ><span class="devsite-nav-text" tooltip>Create a Reference</span></a></li><li class="devsite-nav-item"><a href="/docs/storage/cpp/upload-files" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/storage/cpp/upload-files" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/storage/cpp/upload-files" ><span class="devsite-nav-text" tooltip>Upload Files</span></a></li><li class="devsite-nav-item"><a href="/docs/storage/cpp/download-files" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/storage/cpp/download-files" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/storage/cpp/download-files" ><span class="devsite-nav-text" tooltip>Download Files</span></a></li><li class="devsite-nav-item"><a href="/docs/storage/cpp/file-metadata" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/storage/cpp/file-metadata" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/storage/cpp/file-metadata" ><span class="devsite-nav-text" tooltip>Use File Metadata</span></a></li><li class="devsite-nav-item"><a href="/docs/storage/cpp/delete-files" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/storage/cpp/delete-files" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/storage/cpp/delete-files" ><span class="devsite-nav-text" tooltip>Delete Files</span></a></li><li class="devsite-nav-item"><a href="/docs/storage/cpp/handle-errors" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/storage/cpp/handle-errors" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/storage/cpp/handle-errors" ><span class="devsite-nav-text" tooltip>Handle Errors</span></a></li></ul></div></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Unity</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/storage/unity/start" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/storage/unity/start" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/storage/unity/start" ><span class="devsite-nav-text" tooltip>Get Started</span></a></li><li class="devsite-nav-item"><a href="/docs/storage/unity/create-reference" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/storage/unity/create-reference" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/storage/unity/create-reference" ><span class="devsite-nav-text" tooltip>Create a Reference</span></a></li><li class="devsite-nav-item"><a href="/docs/storage/unity/upload-files" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/storage/unity/upload-files" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/storage/unity/upload-files" ><span class="devsite-nav-text" tooltip>Upload Files</span></a></li><li class="devsite-nav-item"><a href="/docs/storage/unity/download-files" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/storage/unity/download-files" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/storage/unity/download-files" ><span class="devsite-nav-text" tooltip>Download Files</span></a></li><li class="devsite-nav-item"><a href="/docs/storage/unity/file-metadata" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/storage/unity/file-metadata" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/storage/unity/file-metadata" ><span class="devsite-nav-text" tooltip>Use File Metadata</span></a></li><li class="devsite-nav-item"><a href="/docs/storage/unity/delete-files" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/storage/unity/delete-files" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/storage/unity/delete-files" ><span class="devsite-nav-text" tooltip>Delete Files</span></a></li><li class="devsite-nav-item"><a href="/docs/storage/unity/handle-errors" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/storage/unity/handle-errors" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/storage/unity/handle-errors" ><span class="devsite-nav-text" tooltip>Handle Errors</span></a></li></ul></div></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Security & Rules</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/storage/security" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/storage/security" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/storage/security" ><span class="devsite-nav-text" tooltip>Understand Security</span></a></li><li class="devsite-nav-item"><a href="/docs/storage/security/get-started" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/storage/security/get-started" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/storage/security/get-started" ><span class="devsite-nav-text" tooltip>Get Started</span></a></li><li class="devsite-nav-item"><a href="/docs/storage/security/core-syntax" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/storage/security/core-syntax" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/storage/security/core-syntax" ><span class="devsite-nav-text" tooltip>Structure Security Rules</span></a></li><li class="devsite-nav-item"><a href="/docs/storage/security/rules-conditions" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/storage/security/rules-conditions" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/storage/security/rules-conditions" ><span class="devsite-nav-text" tooltip>Write Conditions for Security Rules</span></a></li></ul></div></li><li class="devsite-nav-item"><a href="/docs/storage/locations" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/storage/locations" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/storage/locations" ><span class="devsite-nav-text" tooltip>Locations</span></a></li><li class="devsite-nav-item"><a href="/docs/storage/monitor-storage" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/storage/monitor-storage" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/storage/monitor-storage" ><span class="devsite-nav-text" tooltip>Monitor activity</span></a></li><li class="devsite-nav-item"><a href="/docs/storage/extend-with-functions" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/storage/extend-with-functions" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/storage/extend-with-functions" ><span class="devsite-nav-text" tooltip>Extend with Cloud Functions</span></a></li><li class="devsite-nav-item"><a href="/docs/storage/gcp-integration" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/storage/gcp-integration" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/storage/gcp-integration" ><span class="devsite-nav-text" tooltip>Integrate with Google Cloud</span></a></li><li class="devsite-nav-item"><a href="/docs/storage/faqs-storage-changes-announced-sept-2024" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/storage/faqs-storage-changes-announced-sept-2024" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/storage/faqs-storage-changes-announced-sept-2024" ><span class="devsite-nav-text" tooltip>FAQs about pricing plan changes</span></a></li></ul></div></li> <li class="devsite-nav-item devsite-nav-expandable devsite-nav-accordion"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Security Rules</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/rules" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/rules" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/rules" ><span class="devsite-nav-text" tooltip>Introduction</span></a></li><li class="devsite-nav-item"><a href="/docs/rules/get-started" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/rules/get-started" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/rules/get-started" ><span class="devsite-nav-text" tooltip>Get started</span></a></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Understand Security Rules</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/rules/rules-language" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/rules/rules-language" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/rules/rules-language" ><span class="devsite-nav-text" tooltip>Security Rules language</span></a></li><li class="devsite-nav-item"><a href="/docs/rules/rules-behavior" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/rules/rules-behavior" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/rules/rules-behavior" ><span class="devsite-nav-text" tooltip>How Security Rules work</span></a></li><li class="devsite-nav-item"><a href="/docs/rules/rules-and-auth" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/rules/rules-and-auth" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/rules/rules-and-auth" ><span class="devsite-nav-text" tooltip>Security Rules and Firebase Authentication</span></a></li></ul></div></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Write Security Rules</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/rules/basics" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/rules/basics" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/rules/basics" ><span class="devsite-nav-text" tooltip>Basic Security Rules</span></a></li><li class="devsite-nav-item"><a href="/docs/rules/insecure-rules" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/rules/insecure-rules" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/rules/insecure-rules" ><span class="devsite-nav-text" tooltip>Avoid insecure rules</span></a></li><li class="devsite-nav-item"><a href="/docs/rules/data-validation" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/rules/data-validation" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/rules/data-validation" ><span class="devsite-nav-text" tooltip>Data validation</span></a></li></ul></div></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Test Security Rules</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/rules/emulator-setup" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/rules/emulator-setup" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/rules/emulator-setup" ><span class="devsite-nav-text" tooltip>Set up the emulator</span></a></li><li class="devsite-nav-item"><a href="/docs/rules/unit-tests" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/rules/unit-tests" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/rules/unit-tests" ><span class="devsite-nav-text" tooltip>Build unit tests</span></a></li><li class="devsite-nav-item"><a href="/docs/rules/emulator-reports" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/rules/emulator-reports" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/rules/emulator-reports" ><span class="devsite-nav-text" tooltip>Generate test reports</span></a></li><li class="devsite-nav-item"><a href="/docs/rules/simulator" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/rules/simulator" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/rules/simulator" ><span class="devsite-nav-text" tooltip>Quickly validate Security Rules</span></a></li></ul></div></li><li class="devsite-nav-item"><a href="/docs/rules/manage-deploy" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/rules/manage-deploy" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/rules/manage-deploy" ><span class="devsite-nav-text" tooltip>Manage and deploy Security Rules</span></a></li></ul></div></li> <li class="devsite-nav-item devsite-nav-expandable devsite-nav-accordion devsite-nav-beta"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>App Hosting</span><span class="devsite-nav-icon material-icons" data-icon="beta" data-title="Beta" aria-hidden="true"></span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/app-hosting" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/app-hosting" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/app-hosting" ><span class="devsite-nav-text" tooltip>Introduction</span></a></li><li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Discover</span> </div></li><li class="devsite-nav-item"><a href="/docs/app-hosting/about-app-hosting" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/app-hosting/about-app-hosting" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/app-hosting/about-app-hosting" ><span class="devsite-nav-text" tooltip>How App Hosting works</span></a></li><li class="devsite-nav-item"><a href="/docs/app-hosting/build" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/app-hosting/build" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/app-hosting/build" ><span class="devsite-nav-text" tooltip>The App Hosting build process</span></a></li><li class="devsite-nav-item"><a href="/docs/app-hosting/costs" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/app-hosting/costs" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/app-hosting/costs" ><span class="devsite-nav-text" tooltip>App Hosting costs</span></a></li><li class="devsite-nav-item"><a href="/docs/app-hosting/product-comparison" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/app-hosting/product-comparison" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/app-hosting/product-comparison" ><span class="devsite-nav-text" tooltip>Related serverless solutions</span></a></li><li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Get started</span> </div></li><li class="devsite-nav-item"><a href="/docs/app-hosting/get-started" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/app-hosting/get-started" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/app-hosting/get-started" ><span class="devsite-nav-text" tooltip>Deploy a basic app</span></a></li><li class="devsite-nav-item"><a href="/docs/app-hosting/multiple-environments" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/app-hosting/multiple-environments" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/app-hosting/multiple-environments" ><span class="devsite-nav-text" tooltip>Deploy multiple environments</span></a></li><li class="devsite-nav-item"><a href="/docs/app-hosting/monorepos" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/app-hosting/monorepos" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/app-hosting/monorepos" ><span class="devsite-nav-text" tooltip>Deploy a monorepo app</span></a></li><li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Develop</span> </div></li><li class="devsite-nav-item"><a href="/docs/app-hosting/configure" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/app-hosting/configure" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/app-hosting/configure" ><span class="devsite-nav-text" tooltip>Configure and manage backends</span></a></li><li class="devsite-nav-item"><a href="/docs/app-hosting/custom-domain" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/app-hosting/custom-domain" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/app-hosting/custom-domain" ><span class="devsite-nav-text" tooltip>Connect a custom domain</span></a></li><li class="devsite-nav-item"><a href="/docs/reference/apphosting/rest" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/reference/apphosting/rest" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/reference/apphosting/rest" ><span class="devsite-nav-text" tooltip>API Reference</span></a></li><li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Monitor, log and debug</span> </div></li><li class="devsite-nav-item"><a href="/docs/app-hosting/rollouts" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/app-hosting/rollouts" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/app-hosting/rollouts" ><span class="devsite-nav-text" tooltip>Manage rollouts and releases</span></a></li><li class="devsite-nav-item"><a href="/docs/app-hosting/emulate" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/app-hosting/emulate" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/app-hosting/emulate" ><span class="devsite-nav-text" tooltip>Test your app locally</span></a></li><li class="devsite-nav-item"><a href="/docs/app-hosting/logging" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/app-hosting/logging" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/app-hosting/logging" ><span class="devsite-nav-text" tooltip>Write and view logs</span></a></li></ul></div></li> <li class="devsite-nav-item devsite-nav-expandable devsite-nav-accordion"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Hosting</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/hosting" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/hosting" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/hosting" ><span class="devsite-nav-text" tooltip>Introduction</span></a></li><li class="devsite-nav-item"><a href="/docs/hosting/use-cases" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/hosting/use-cases" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/hosting/use-cases" ><span class="devsite-nav-text" tooltip>Explore use cases</span></a></li><li class="devsite-nav-item"><a href="/docs/hosting/quickstart" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/hosting/quickstart" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/hosting/quickstart" ><span class="devsite-nav-text" tooltip>Get started</span></a></li><li class="devsite-nav-item devsite-nav-new"><a href="/docs/hosting/test-preview-deploy" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/hosting/test-preview-deploy" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/hosting/test-preview-deploy" ><span class="devsite-nav-text" tooltip>Test, preview, then deploy</span><span class="devsite-nav-icon material-icons" data-icon="new" data-title="New!" aria-hidden="true"></span></a></li><li class="devsite-nav-item devsite-nav-new"><a href="/docs/hosting/github-integration" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/hosting/github-integration" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/hosting/github-integration" ><span class="devsite-nav-text" tooltip>Deploy via GitHub pull requests</span><span class="devsite-nav-icon material-icons" data-icon="new" data-title="New!" aria-hidden="true"></span></a></li><li class="devsite-nav-item"><a href="/docs/hosting/multisites" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/hosting/multisites" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/hosting/multisites" ><span class="devsite-nav-text" tooltip>Share project resources across multiple sites</span></a></li><li class="devsite-nav-item"><a href="/docs/hosting/custom-domain" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/hosting/custom-domain" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/hosting/custom-domain" ><span class="devsite-nav-text" tooltip>Connect a custom domain</span></a></li><li class="devsite-nav-item"><a href="/docs/hosting/full-config" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/hosting/full-config" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/hosting/full-config" ><span class="devsite-nav-text" tooltip>Configure hosting behavior</span></a></li><li class="devsite-nav-item"><a href="/docs/hosting/i18n-rewrites" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/hosting/i18n-rewrites" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/hosting/i18n-rewrites" ><span class="devsite-nav-text" tooltip>Configure i18n rewrites</span></a></li><li class="devsite-nav-item"><a href="/docs/hosting/reserved-urls" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/hosting/reserved-urls" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/hosting/reserved-urls" ><span class="devsite-nav-text" tooltip>Add SDKs using reserved URLs</span></a></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Serve dynamic content and host microservices</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/hosting/serverless-overview" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/hosting/serverless-overview" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/hosting/serverless-overview" ><span class="devsite-nav-text" tooltip>Overview</span></a></li><li class="devsite-nav-item"><a href="/docs/hosting/functions" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/hosting/functions" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/hosting/functions" ><span class="devsite-nav-text" tooltip>Use Cloud Functions for Firebase</span></a></li><li class="devsite-nav-item"><a href="/docs/hosting/cloud-run" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/hosting/cloud-run" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/hosting/cloud-run" ><span class="devsite-nav-text" tooltip>Use Cloud Run</span></a></li><li class="devsite-nav-item"><a href="/docs/hosting/manage-cache" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/hosting/manage-cache" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/hosting/manage-cache" ><span class="devsite-nav-text" tooltip>Manage cache behavior</span></a></li></ul></div></li><li class="devsite-nav-item devsite-nav-expandable devsite-nav-beta"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Integrate web frameworks</span><span class="devsite-nav-icon material-icons" data-icon="beta" data-title="Beta" aria-hidden="true"></span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/hosting/frameworks/frameworks-overview" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/hosting/frameworks/frameworks-overview" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/hosting/frameworks/frameworks-overview" ><span class="devsite-nav-text" tooltip>Overview</span></a></li><li class="devsite-nav-item"><a href="/docs/hosting/frameworks/angular" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/hosting/frameworks/angular" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/hosting/frameworks/angular" ><span class="devsite-nav-text" tooltip>Integrate Angular Universal</span></a></li><li class="devsite-nav-item"><a href="/docs/hosting/frameworks/nextjs" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/hosting/frameworks/nextjs" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/hosting/frameworks/nextjs" ><span class="devsite-nav-text" tooltip>Integrate Next.js</span></a></li><li class="devsite-nav-item"><a href="/docs/hosting/frameworks/flutter" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/hosting/frameworks/flutter" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/hosting/frameworks/flutter" ><span class="devsite-nav-text" tooltip>Integrate Flutter</span></a></li><li class="devsite-nav-item"><a href="/docs/hosting/frameworks/express" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/hosting/frameworks/express" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/hosting/frameworks/express" ><span class="devsite-nav-text" tooltip>Integrate other frameworks with Express.js</span></a></li></ul></div></li><li class="devsite-nav-item"><a href="/docs/hosting/manage-hosting-resources" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/hosting/manage-hosting-resources" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/hosting/manage-hosting-resources" ><span class="devsite-nav-text" tooltip>Manage live & preview channels, releases, and versions</span></a></li><li class="devsite-nav-item devsite-nav-new"><a href="/docs/hosting/web-request-logs-and-metrics" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/hosting/web-request-logs-and-metrics" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/hosting/web-request-logs-and-metrics" ><span class="devsite-nav-text" tooltip>Monitor web request data with Cloud Logging</span><span class="devsite-nav-icon material-icons" data-icon="new" data-title="New!" aria-hidden="true"></span></a></li><li class="devsite-nav-item"><a href="/docs/hosting/usage-quotas-pricing" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/hosting/usage-quotas-pricing" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/hosting/usage-quotas-pricing" ><span class="devsite-nav-text" tooltip>Usage, quotas, and pricing</span></a></li><li class="devsite-nav-item"><a href="/docs/hosting/api-deploy" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/hosting/api-deploy" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/hosting/api-deploy" ><span class="devsite-nav-text" tooltip>Deploy using the REST API</span></a></li></ul></div></li> <li class="devsite-nav-item devsite-nav-expandable devsite-nav-accordion"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Cloud Functions</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/functions" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/functions" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/functions" ><span class="devsite-nav-text" tooltip>Introduction</span></a></li><li class="devsite-nav-item"><a href="/docs/functions/version-comparison" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/functions/version-comparison" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/functions/version-comparison" ><span class="devsite-nav-text" tooltip>1st and 2nd gen version comparison</span></a></li><li class="devsite-nav-item"><a href="/docs/functions/use-cases" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/functions/use-cases" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/functions/use-cases" ><span class="devsite-nav-text" tooltip>Explore use cases</span></a></li><li class="devsite-nav-item"><a href="/docs/functions/get-started" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/functions/get-started" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/functions/get-started" ><span class="devsite-nav-text" tooltip>Get started</span></a></li><li class="devsite-nav-item"><a href="/docs/functions/2nd-gen-upgrade" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/functions/2nd-gen-upgrade" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/functions/2nd-gen-upgrade" ><span class="devsite-nav-text" tooltip>Upgrade to 2nd gen</span></a></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Call functions directly</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/functions/callable" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/functions/callable" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/functions/callable" ><span class="devsite-nav-text" tooltip>Call functions from your app</span></a></li><li class="devsite-nav-item"><a href="/docs/functions/http-events" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/functions/http-events" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/functions/http-events" ><span class="devsite-nav-text" tooltip>Call functions via HTTP requests</span></a></li><li class="devsite-nav-item"><a href="/docs/functions/task-functions" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/functions/task-functions" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/functions/task-functions" ><span class="devsite-nav-text" tooltip>Enqueue functions with Cloud Tasks</span></a></li><li class="devsite-nav-item"><a href="/docs/functions/schedule-functions" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/functions/schedule-functions" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/functions/schedule-functions" ><span class="devsite-nav-text" tooltip>Run functions on a schedule</span></a></li></ul></div></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Trigger background functions</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/functions/alert-events" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/functions/alert-events" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/functions/alert-events" ><span class="devsite-nav-text" tooltip>Firebase Alert triggers</span></a></li><li class="devsite-nav-item"><a href="/docs/functions/custom-events" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/functions/custom-events" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/functions/custom-events" ><span class="devsite-nav-text" tooltip>Custom event/extension triggers</span></a></li><li class="devsite-nav-item"><a href="/docs/functions/auth-blocking-events" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/functions/auth-blocking-events" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/functions/auth-blocking-events" ><span class="devsite-nav-text" tooltip>Blocking Auth triggers</span></a></li><li class="devsite-nav-item"><a href="/docs/functions/auth-events" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/functions/auth-events" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/functions/auth-events" ><span class="devsite-nav-text" tooltip>Authentication triggers</span></a></li><li class="devsite-nav-item"><a href="/docs/functions/analytics-events" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/functions/analytics-events" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/functions/analytics-events" ><span class="devsite-nav-text" tooltip>Analytics triggers</span></a></li><li class="devsite-nav-item"><a href="/docs/functions/firestore-events" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/functions/firestore-events" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/functions/firestore-events" ><span class="devsite-nav-text" tooltip>Cloud Firestore triggers</span></a></li><li class="devsite-nav-item"><a href="/docs/functions/database-events" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/functions/database-events" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/functions/database-events" ><span class="devsite-nav-text" tooltip>Realtime Database triggers</span></a></li><li class="devsite-nav-item"><a href="/docs/functions/rc-events" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/functions/rc-events" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/functions/rc-events" ><span class="devsite-nav-text" tooltip>Remote Config triggers</span></a></li><li class="devsite-nav-item"><a href="/docs/functions/gcp-storage-events" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/functions/gcp-storage-events" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/functions/gcp-storage-events" ><span class="devsite-nav-text" tooltip>Cloud Storage triggers</span></a></li><li class="devsite-nav-item"><a href="/docs/functions/pubsub-events" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/functions/pubsub-events" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/functions/pubsub-events" ><span class="devsite-nav-text" tooltip>Pub/Sub triggers</span></a></li><li class="devsite-nav-item"><a href="/docs/functions/test-lab-events" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/functions/test-lab-events" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/functions/test-lab-events" ><span class="devsite-nav-text" tooltip>Test Lab triggers</span></a></li></ul></div></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Write functions</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/functions/manage-functions" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/functions/manage-functions" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/functions/manage-functions" ><span class="devsite-nav-text" tooltip>Manage deployment and runtime options</span></a></li><li class="devsite-nav-item"><a href="/docs/functions/typescript" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/functions/typescript" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/functions/typescript" ><span class="devsite-nav-text" tooltip>Write functions in TypeScript</span></a></li><li class="devsite-nav-item"><a href="/docs/functions/terminate-functions" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/functions/terminate-functions" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/functions/terminate-functions" ><span class="devsite-nav-text" tooltip>Sync, async, and promises</span></a></li><li class="devsite-nav-item"><a href="/docs/functions/retries" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/functions/retries" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/functions/retries" ><span class="devsite-nav-text" tooltip>Retry asynchronous functions</span></a></li><li class="devsite-nav-item"><a href="/docs/functions/config-env" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/functions/config-env" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/functions/config-env" ><span class="devsite-nav-text" tooltip>Configure your environment</span></a></li><li class="devsite-nav-item"><a href="/docs/functions/organize-functions" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/functions/organize-functions" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/functions/organize-functions" ><span class="devsite-nav-text" tooltip>Organize functions</span></a></li><li class="devsite-nav-item"><a href="/docs/functions/handle-dependencies" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/functions/handle-dependencies" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/functions/handle-dependencies" ><span class="devsite-nav-text" tooltip>Handling dependencies</span></a></li><li class="devsite-nav-item"><a href="/docs/functions/networking" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/functions/networking" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/functions/networking" ><span class="devsite-nav-text" tooltip>Optimizing networking</span></a></li><li class="devsite-nav-item"><a href="/docs/functions/tips" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/functions/tips" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/functions/tips" ><span class="devsite-nav-text" tooltip>Tips & tricks</span></a></li></ul></div></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Test functions</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/functions/local-emulator" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/functions/local-emulator" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/functions/local-emulator" ><span class="devsite-nav-text" tooltip>Run functions locally</span></a></li><li class="devsite-nav-item"><a href="/docs/functions/unit-testing" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/functions/unit-testing" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/functions/unit-testing" ><span class="devsite-nav-text" tooltip>Unit testing functions</span></a></li><li class="devsite-nav-item"><a href="/docs/functions/local-shell" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/functions/local-shell" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/functions/local-shell" ><span class="devsite-nav-text" tooltip>Test functions interactively</span></a></li></ul></div></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Monitor functions</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/functions/writing-and-viewing-logs" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/functions/writing-and-viewing-logs" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/functions/writing-and-viewing-logs" ><span class="devsite-nav-text" tooltip>Write and view logs</span></a></li><li class="devsite-nav-item"><a href="/docs/functions/reporting-errors" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/functions/reporting-errors" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/functions/reporting-errors" ><span class="devsite-nav-text" tooltip>Report errors</span></a></li></ul></div></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>API Reference</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/reference/functions/2nd-gen/node/firebase-functions" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/reference/functions/2nd-gen/node/firebase-functions" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/reference/functions/2nd-gen/node/firebase-functions" ><span class="devsite-nav-text" tooltip>Node.js 2nd gen</span></a></li><li class="devsite-nav-item"><a href="/docs/reference/functions/firebase-functions" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/reference/functions/firebase-functions" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/reference/functions/firebase-functions" ><span class="devsite-nav-text" tooltip>Node.js 1st gen</span></a></li><li class="devsite-nav-item"><a href="/docs/reference/functions/test/test" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/reference/functions/test/test" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/reference/functions/test/test" ><span class="devsite-nav-text" tooltip>Node.js Test SDK</span></a></li><li class="devsite-nav-item"><a href="/docs/reference/functions/2nd-gen/python" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/reference/functions/2nd-gen/python" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/reference/functions/2nd-gen/python" ><span class="devsite-nav-text" tooltip>Python</span></a></li><li class="devsite-nav-item"><a href="/docs/functions/callable-reference" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/functions/callable-reference" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/functions/callable-reference" ><span class="devsite-nav-text" tooltip>Protocol specification for https.onCall</span></a></li></ul></div></li><li class="devsite-nav-item"><a href="/docs/functions/functions-and-firebase" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/functions/functions-and-firebase" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/functions/functions-and-firebase" ><span class="devsite-nav-text" tooltip>Cloud Run functions and Firebase</span></a></li><li class="devsite-nav-item"><a href="/docs/functions/locations" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/functions/locations" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/functions/locations" ><span class="devsite-nav-text" tooltip>Cloud Functions locations</span></a></li><li class="devsite-nav-item"><a href="/docs/functions/quotas" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/functions/quotas" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/functions/quotas" ><span class="devsite-nav-text" tooltip>Quotas and limits</span></a></li></ul></div></li> <li class="devsite-nav-item devsite-nav-expandable devsite-nav-accordion devsite-nav-beta"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Extensions</span><span class="devsite-nav-icon material-icons" data-icon="beta" data-title="Beta" aria-hidden="true"></span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/extensions" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions" ><span class="devsite-nav-text" tooltip>Introduction</span></a></li><li class="devsite-nav-item"><a href="/docs/extensions/samples" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/samples" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/samples" ><span class="devsite-nav-text" tooltip>Use case examples</span></a></li><li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Use an extension in your project</span> </div></li><li class="devsite-nav-item"><a href="/docs/extensions/overview-use-extensions" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/overview-use-extensions" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/overview-use-extensions" ><span class="devsite-nav-text" tooltip>Overview</span></a></li><li class="devsite-nav-item"><a href="/docs/extensions/install-extensions" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/install-extensions" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/install-extensions" ><span class="devsite-nav-text" tooltip>Install an extension</span></a></li><li class="devsite-nav-item"><a href="/docs/extensions/manage-installed-extensions" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/manage-installed-extensions" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/manage-installed-extensions" ><span class="devsite-nav-text" tooltip>Manage installed extensions</span></a></li><li class="devsite-nav-item"><a href="/docs/extensions/permissions-granted-to-extension" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/permissions-granted-to-extension" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/permissions-granted-to-extension" ><span class="devsite-nav-text" tooltip>Permissions granted to an extension</span></a></li><li class="devsite-nav-item"><a href="/docs/extensions/manifest" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/manifest" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/manifest" ><span class="devsite-nav-text" tooltip>Manage configurations with manifests</span></a></li><li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Extensions by Firebase</span> </div></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Trigger Email</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/extensions/official/firestore-send-email" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/official/firestore-send-email" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/official/firestore-send-email" ><span class="devsite-nav-text" tooltip>Get started</span></a></li><li class="devsite-nav-item"><a href="/docs/extensions/official/firestore-send-email/templates" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/official/firestore-send-email/templates" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/official/firestore-send-email/templates" ><span class="devsite-nav-text" tooltip>Use Handlebars templates</span></a></li><li class="devsite-nav-item"><a href="/docs/extensions/official/firestore-send-email/delivery-status" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/official/firestore-send-email/delivery-status" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/official/firestore-send-email/delivery-status" ><span class="devsite-nav-text" tooltip>Manage delivery status</span></a></li></ul></div></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Delete User Data</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/extensions/official/delete-user-data" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/official/delete-user-data" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/official/delete-user-data" ><span class="devsite-nav-text" tooltip>Get Started</span></a></li></ul></div></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Firestore Bundle Builder</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/extensions/official/firestore-bundle-builder" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/official/firestore-bundle-builder" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/official/firestore-bundle-builder" ><span class="devsite-nav-text" tooltip>Get Started</span></a></li><li class="devsite-nav-item"><a href="/docs/extensions/official/firestore-bundle-builder/reference" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/official/firestore-bundle-builder/reference" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/official/firestore-bundle-builder/reference" ><span class="devsite-nav-text" tooltip>Reference</span></a></li></ul></div></li><li class="devsite-nav-item devsite-nav-external"><a href="https://github.com/firebase/extensions/tree/master/storage-resize-images#resize-images" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: https://github.com/firebase/extensions/tree/master/storage-resize-images#resize-images" track-type="bookNav" track-name="click" track-metadata-eventdetail="https://github.com/firebase/extensions/tree/master/storage-resize-images#resize-images" ><span class="devsite-nav-text" tooltip>Resize Images</span><span class="devsite-nav-icon material-icons" data-icon="external" data-title="External" aria-hidden="true"></span></a></li><li class="devsite-nav-item devsite-nav-external"><a href="https://github.com/firebase/extensions/tree/master/firestore-bigquery-export#export-collections-to-bigquery" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: https://github.com/firebase/extensions/tree/master/firestore-bigquery-export#export-collections-to-bigquery" track-type="bookNav" track-name="click" track-metadata-eventdetail="https://github.com/firebase/extensions/tree/master/firestore-bigquery-export#export-collections-to-bigquery" ><span class="devsite-nav-text" tooltip>Export Collections to BigQuery</span><span class="devsite-nav-icon material-icons" data-icon="external" data-title="External" aria-hidden="true"></span></a></li><li class="devsite-nav-item devsite-nav-external"><a href="https://github.com/firebase/extensions/tree/master/firestore-translate-text#translate-text" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: https://github.com/firebase/extensions/tree/master/firestore-translate-text#translate-text" track-type="bookNav" track-name="click" track-metadata-eventdetail="https://github.com/firebase/extensions/tree/master/firestore-translate-text#translate-text" ><span class="devsite-nav-text" tooltip>Translate Text</span><span class="devsite-nav-icon material-icons" data-icon="external" data-title="External" aria-hidden="true"></span></a></li><li class="devsite-nav-item devsite-nav-external"><a href="https://github.com/firebase/extensions/tree/master/firestore-counter#distributed-counter" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: https://github.com/firebase/extensions/tree/master/firestore-counter#distributed-counter" track-type="bookNav" track-name="click" track-metadata-eventdetail="https://github.com/firebase/extensions/tree/master/firestore-counter#distributed-counter" ><span class="devsite-nav-text" tooltip>Distributed Counter</span><span class="devsite-nav-icon material-icons" data-icon="external" data-title="External" aria-hidden="true"></span></a></li><li class="devsite-nav-item devsite-nav-external"><a href="https://github.com/firebase/extensions/tree/master/firestore-shorten-urls-bitly#shorten-urls" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: https://github.com/firebase/extensions/tree/master/firestore-shorten-urls-bitly#shorten-urls" track-type="bookNav" track-name="click" track-metadata-eventdetail="https://github.com/firebase/extensions/tree/master/firestore-shorten-urls-bitly#shorten-urls" ><span class="devsite-nav-text" tooltip>Shorten URLs</span><span class="devsite-nav-icon material-icons" data-icon="external" data-title="External" aria-hidden="true"></span></a></li><li class="devsite-nav-item devsite-nav-external"><a href="https://github.com/firebase/extensions/tree/master/rtdb-limit-child-nodes#limit-child-nodes" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: https://github.com/firebase/extensions/tree/master/rtdb-limit-child-nodes#limit-child-nodes" track-type="bookNav" track-name="click" track-metadata-eventdetail="https://github.com/firebase/extensions/tree/master/rtdb-limit-child-nodes#limit-child-nodes" ><span class="devsite-nav-text" tooltip>Limit Child Nodes</span><span class="devsite-nav-icon material-icons" data-icon="external" data-title="External" aria-hidden="true"></span></a></li><li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Build & publish extensions</span> </div></li><li class="devsite-nav-item"><a href="/docs/extensions/publishers" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/publishers" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/publishers" ><span class="devsite-nav-text" tooltip>Overview</span></a></li><li class="devsite-nav-item"><a href="/docs/extensions/publishers/get-started" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/publishers/get-started" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/publishers/get-started" ><span class="devsite-nav-text" tooltip>Get started</span></a></li><li class="devsite-nav-item devsite-nav-break"></li><li class="devsite-nav-item"><a href="/docs/extensions/publishers/functions" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/publishers/functions" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/publishers/functions" ><span class="devsite-nav-text" tooltip>Write functions</span></a></li><li class="devsite-nav-item"><a href="/docs/extensions/publishers/parameters" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/publishers/parameters" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/publishers/parameters" ><span class="devsite-nav-text" tooltip>Set up parameters</span></a></li><li class="devsite-nav-item"><a href="/docs/extensions/publishers/lifecycle-events" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/publishers/lifecycle-events" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/publishers/lifecycle-events" ><span class="devsite-nav-text" tooltip>Handle lifecycle events</span></a></li><li class="devsite-nav-item"><a href="/docs/extensions/publishers/user-hooks" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/publishers/user-hooks" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/publishers/user-hooks" ><span class="devsite-nav-text" tooltip>Add user hooks</span></a></li><li class="devsite-nav-item"><a href="/docs/extensions/publishers/access" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/publishers/access" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/publishers/access" ><span class="devsite-nav-text" tooltip>Set up appropriate access</span></a></li><li class="devsite-nav-item"><a href="/docs/extensions/publishers/user-documentation" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/publishers/user-documentation" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/publishers/user-documentation" ><span class="devsite-nav-text" tooltip>Create user documentation</span></a></li><li class="devsite-nav-item devsite-nav-break"></li><li class="devsite-nav-item"><a href="/docs/extensions/publishers/register" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/publishers/register" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/publishers/register" ><span class="devsite-nav-text" tooltip>Register as a publisher</span></a></li><li class="devsite-nav-item"><a href="/docs/extensions/publishers/upload-and-publish" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/publishers/upload-and-publish" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/publishers/upload-and-publish" ><span class="devsite-nav-text" tooltip>Publish an extension</span></a></li><li class="devsite-nav-item devsite-nav-break"></li><li class="devsite-nav-item"><a href="/docs/extensions/reference/extension-yaml" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/extension-yaml" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/reference/extension-yaml" ><span class="devsite-nav-text" tooltip>Reference for extension.yaml</span></a></li><li class="devsite-nav-item devsite-nav-break"></li><li class="devsite-nav-item"><a href="/terms/extensions/publisher" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /terms/extensions/publisher" track-type="bookNav" track-name="click" track-metadata-eventdetail="/terms/extensions/publisher" ><span class="devsite-nav-text" tooltip>Firebase Extensions Publisher Agreement</span></a></li></ul></div></li> <li class="devsite-nav-item devsite-nav-divider devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>BUILD WITH AI</span> </div></li> <li class="devsite-nav-item devsite-nav-expandable devsite-nav-accordion"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Vertex AI in Firebase (Gemini API)</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/vertex-ai" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/vertex-ai" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/vertex-ai" ><span class="devsite-nav-text" tooltip>Introduction</span></a></li><li class="devsite-nav-item"><a href="/docs/vertex-ai/get-started" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/vertex-ai/get-started" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/vertex-ai/get-started" ><span class="devsite-nav-text" tooltip>Get started</span></a></li><li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Learn about the models & API</span> </div></li><li class="devsite-nav-item"><a href="/docs/vertex-ai/gemini-models" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/vertex-ai/gemini-models" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/vertex-ai/gemini-models" ><span class="devsite-nav-text" tooltip>Gemini models</span></a></li><li class="devsite-nav-item"><a href="/docs/vertex-ai/gemini-api" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/vertex-ai/gemini-api" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/vertex-ai/gemini-api" ><span class="devsite-nav-text" tooltip>Gemini API</span></a></li><li class="devsite-nav-item"><a href="/docs/vertex-ai/input-file-requirements" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/vertex-ai/input-file-requirements" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/vertex-ai/input-file-requirements" ><span class="devsite-nav-text" tooltip>Supported file types & requirements</span></a></li><li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Use capabilities of the SDKs</span> </div></li><li class="devsite-nav-item"><a href="/docs/vertex-ai/text-gen-from-text" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/vertex-ai/text-gen-from-text" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/vertex-ai/text-gen-from-text" ><span class="devsite-nav-text" tooltip>Generate text (text-only input)</span></a></li><li class="devsite-nav-item"><a href="/docs/vertex-ai/text-gen-from-multimodal" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/vertex-ai/text-gen-from-multimodal" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/vertex-ai/text-gen-from-multimodal" ><span class="devsite-nav-text" tooltip>Generate text (multimodal input)</span></a></li><li class="devsite-nav-item"><a href="/docs/vertex-ai/structured-output" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/vertex-ai/structured-output" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/vertex-ai/structured-output" ><span class="devsite-nav-text" tooltip>Generate structured output (JSON)</span></a></li><li class="devsite-nav-item"><a href="/docs/vertex-ai/chat" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/vertex-ai/chat" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/vertex-ai/chat" ><span class="devsite-nav-text" tooltip>Multi-turn chat</span></a></li><li class="devsite-nav-item"><a href="/docs/vertex-ai/function-calling" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/vertex-ai/function-calling" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/vertex-ai/function-calling" ><span class="devsite-nav-text" tooltip>Function calling</span></a></li><li class="devsite-nav-item"><a href="/docs/vertex-ai/count-tokens" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/vertex-ai/count-tokens" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/vertex-ai/count-tokens" ><span class="devsite-nav-text" tooltip>Count tokens & billable characters</span></a></li><li class="devsite-nav-item"><a href="/docs/vertex-ai/ref-docs" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/vertex-ai/ref-docs" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/vertex-ai/ref-docs" ><span class="devsite-nav-text" tooltip>SDK reference docs</span></a></li><li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Control content generation</span> </div></li><li class="devsite-nav-item"><a href="/docs/vertex-ai/control-content-gen" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/vertex-ai/control-content-gen" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/vertex-ai/control-content-gen" ><span class="devsite-nav-text" tooltip>Overview of options</span></a></li><li class="devsite-nav-item"><a href="/docs/vertex-ai/prompt-design" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/vertex-ai/prompt-design" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/vertex-ai/prompt-design" ><span class="devsite-nav-text" tooltip>Understand prompt design</span></a></li><li class="devsite-nav-item"><a href="/docs/vertex-ai/model-parameters" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/vertex-ai/model-parameters" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/vertex-ai/model-parameters" ><span class="devsite-nav-text" tooltip>Configure model parameters</span></a></li><li class="devsite-nav-item"><a href="/docs/vertex-ai/safety-settings" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/vertex-ai/safety-settings" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/vertex-ai/safety-settings" ><span class="devsite-nav-text" tooltip>Use safety settings</span></a></li><li class="devsite-nav-item"><a href="/docs/vertex-ai/system-instructions" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/vertex-ai/system-instructions" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/vertex-ai/system-instructions" ><span class="devsite-nav-text" tooltip>Set system instructions</span></a></li><li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Get ready for production</span> </div></li><li class="devsite-nav-item"><a href="/docs/vertex-ai/production-checklist" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/vertex-ai/production-checklist" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/vertex-ai/production-checklist" ><span class="devsite-nav-text" tooltip>Production checklist</span></a></li><li class="devsite-nav-item"><a href="/docs/vertex-ai/app-check" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/vertex-ai/app-check" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/vertex-ai/app-check" ><span class="devsite-nav-text" tooltip>Prevent API abuse with App Check</span></a></li><li class="devsite-nav-item"><a href="/docs/vertex-ai/locations" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/vertex-ai/locations" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/vertex-ai/locations" ><span class="devsite-nav-text" tooltip>Set a location</span></a></li><li class="devsite-nav-item"><a href="/docs/vertex-ai/monitoring" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/vertex-ai/monitoring" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/vertex-ai/monitoring" ><span class="devsite-nav-text" tooltip>Monitor costs, usage, & metrics</span></a></li><li class="devsite-nav-item"><a href="/docs/vertex-ai/pricing" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/vertex-ai/pricing" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/vertex-ai/pricing" ><span class="devsite-nav-text" tooltip>Understand pricing</span></a></li><li class="devsite-nav-item"><a href="/docs/vertex-ai/quotas" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/vertex-ai/quotas" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/vertex-ai/quotas" ><span class="devsite-nav-text" tooltip>Understand quotas</span></a></li><li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Solutions</span> </div></li><li class="devsite-nav-item"><a href="/docs/vertex-ai/solutions/overview" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/vertex-ai/solutions/overview" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/vertex-ai/solutions/overview" ><span class="devsite-nav-text" tooltip>Overview</span></a></li><li class="devsite-nav-item"><a href="/docs/vertex-ai/solutions/cloud-storage" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/vertex-ai/solutions/cloud-storage" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/vertex-ai/solutions/cloud-storage" ><span class="devsite-nav-text" tooltip>Include large files in requests with Cloud Storage</span></a></li><li class="devsite-nav-item"><a href="/docs/vertex-ai/solutions/remote-config" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/vertex-ai/solutions/remote-config" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/vertex-ai/solutions/remote-config" ><span class="devsite-nav-text" tooltip>Dynamically update your app with Remote Config</span></a></li><li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Additional information</span> </div></li><li class="devsite-nav-item"><a href="/docs/vertex-ai/migrate-to-vertex-ai" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/vertex-ai/migrate-to-vertex-ai" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/vertex-ai/migrate-to-vertex-ai" ><span class="devsite-nav-text" tooltip>Migrate from Google AI to Vertex AI</span></a></li><li class="devsite-nav-item"><a href="/docs/vertex-ai/migrate-to-ga" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/vertex-ai/migrate-to-ga" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/vertex-ai/migrate-to-ga" ><span class="devsite-nav-text" tooltip>Migrate to GA version of Vertex AI in Firebase</span></a></li><li class="devsite-nav-item"><a href="/docs/vertex-ai/faq-and-troubleshooting" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/vertex-ai/faq-and-troubleshooting" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/vertex-ai/faq-and-troubleshooting" ><span class="devsite-nav-text" tooltip>FAQ and troubleshooting</span></a></li><li class="devsite-nav-item"><a href="/docs/vertex-ai/data-governance" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/vertex-ai/data-governance" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/vertex-ai/data-governance" ><span class="devsite-nav-text" tooltip>Data governance</span></a></li><li class="devsite-nav-item devsite-nav-break"></li><li class="devsite-nav-item"><a href="/docs/vertex-ai/feedback" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/vertex-ai/feedback" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/vertex-ai/feedback" ><span class="devsite-nav-text" tooltip>Give feedback</span></a></li></ul></div></li> <li class="devsite-nav-item devsite-nav-expandable devsite-nav-accordion devsite-nav-beta"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Genkit</span><span class="devsite-nav-icon material-icons" data-icon="beta" data-title="Beta" aria-hidden="true"></span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/genkit" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/genkit" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/genkit" ><span class="devsite-nav-text" tooltip>Introduction</span></a></li><li class="devsite-nav-item"><a href="/docs/genkit/get-started" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/genkit/get-started" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/genkit/get-started" ><span class="devsite-nav-text" tooltip>Get started</span></a></li><li class="devsite-nav-item"><a href="/docs/genkit/devtools" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/genkit/devtools" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/genkit/devtools" ><span class="devsite-nav-text" tooltip>Developer tools</span></a></li><li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Building AI workflows</span> </div></li><li class="devsite-nav-item"><a href="/docs/genkit/models" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/genkit/models" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/genkit/models" ><span class="devsite-nav-text" tooltip>Generating content</span></a></li><li class="devsite-nav-item"><a href="/docs/genkit/flows" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/genkit/flows" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/genkit/flows" ><span class="devsite-nav-text" tooltip>Creating flows</span></a></li><li class="devsite-nav-item"><a href="/docs/genkit/dotprompt" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/genkit/dotprompt" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/genkit/dotprompt" ><span class="devsite-nav-text" tooltip>Managing prompts with Dotprompt</span></a></li><li class="devsite-nav-item"><a href="/docs/genkit/chat" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/genkit/chat" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/genkit/chat" ><span class="devsite-nav-text" tooltip>Persistent chat sessions</span></a></li><li class="devsite-nav-item"><a href="/docs/genkit/tool-calling" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/genkit/tool-calling" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/genkit/tool-calling" ><span class="devsite-nav-text" tooltip>Tool calling</span></a></li><li class="devsite-nav-item"><a href="/docs/genkit/rag" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/genkit/rag" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/genkit/rag" ><span class="devsite-nav-text" tooltip>Retrieval-augmented generation (RAG)</span></a></li><li class="devsite-nav-item"><a href="/docs/genkit/multi-agent" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/genkit/multi-agent" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/genkit/multi-agent" ><span class="devsite-nav-text" tooltip>Multi-agent systems</span></a></li><li class="devsite-nav-item"><a href="/docs/genkit/evaluation" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/genkit/evaluation" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/genkit/evaluation" ><span class="devsite-nav-text" tooltip>Evaluation</span></a></li><li class="devsite-nav-item"><a href="/docs/genkit/monitoring" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/genkit/monitoring" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/genkit/monitoring" ><span class="devsite-nav-text" tooltip>Observability & monitoring</span></a></li><li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Deploying AI workflows</span> </div></li><li class="devsite-nav-item"><a href="/docs/genkit/firebase" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/genkit/firebase" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/genkit/firebase" ><span class="devsite-nav-text" tooltip>Deploy with Firebase</span></a></li><li class="devsite-nav-item"><a href="/docs/genkit/cloud-run" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/genkit/cloud-run" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/genkit/cloud-run" ><span class="devsite-nav-text" tooltip>Deploy with Cloud Run</span></a></li><li class="devsite-nav-item"><a href="/docs/genkit/deploy-node" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/genkit/deploy-node" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/genkit/deploy-node" ><span class="devsite-nav-text" tooltip>Deploy to any Node.js platform</span></a></li><li class="devsite-nav-item"><a href="/docs/genkit/auth" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/genkit/auth" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/genkit/auth" ><span class="devsite-nav-text" tooltip>Authorization and integrity</span></a></li><li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Writing plugins</span> </div></li><li class="devsite-nav-item"><a href="/docs/genkit/plugin-authoring" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/genkit/plugin-authoring" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/genkit/plugin-authoring" ><span class="devsite-nav-text" tooltip>Overview</span></a></li><li class="devsite-nav-item"><a href="/docs/genkit/plugin-authoring-evaluator" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/genkit/plugin-authoring-evaluator" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/genkit/plugin-authoring-evaluator" ><span class="devsite-nav-text" tooltip>Writing an Evaluator Plugin</span></a></li><li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Official plugins</span> </div></li><li class="devsite-nav-item"><a href="/docs/genkit/plugins/google-genai" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/genkit/plugins/google-genai" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/genkit/plugins/google-genai" ><span class="devsite-nav-text" tooltip>Google AI for Developers</span></a></li><li class="devsite-nav-item"><a href="/docs/genkit/plugins/vertex-ai" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/genkit/plugins/vertex-ai" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/genkit/plugins/vertex-ai" ><span class="devsite-nav-text" tooltip>Google Cloud Vertex AI</span></a></li><li class="devsite-nav-item"><a href="/docs/genkit/plugins/ollama" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/genkit/plugins/ollama" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/genkit/plugins/ollama" ><span class="devsite-nav-text" tooltip>Ollama</span></a></li><li class="devsite-nav-item"><a href="/docs/genkit/plugins/chroma" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/genkit/plugins/chroma" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/genkit/plugins/chroma" ><span class="devsite-nav-text" tooltip>Chroma DB</span></a></li><li class="devsite-nav-item"><a href="/docs/genkit/plugins/pinecone" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/genkit/plugins/pinecone" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/genkit/plugins/pinecone" ><span class="devsite-nav-text" tooltip>Pinecone</span></a></li><li class="devsite-nav-item"><a href="/docs/genkit/templates/pgvector" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/genkit/templates/pgvector" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/genkit/templates/pgvector" ><span class="devsite-nav-text" tooltip>pgvector (code template)</span></a></li><li class="devsite-nav-item"><a href="/docs/genkit/plugins/firebase" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/genkit/plugins/firebase" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/genkit/plugins/firebase" ><span class="devsite-nav-text" tooltip>Firebase</span></a></li><li class="devsite-nav-item"><a href="/docs/genkit/plugins/google-cloud" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/genkit/plugins/google-cloud" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/genkit/plugins/google-cloud" ><span class="devsite-nav-text" tooltip>Google Cloud</span></a></li><li class="devsite-nav-item devsite-nav-break"></li><li class="devsite-nav-item"><a href="/docs/genkit/nextjs" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/genkit/nextjs" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/genkit/nextjs" ><span class="devsite-nav-text" tooltip>Using Genkit with Next.js</span></a></li><li class="devsite-nav-item devsite-nav-break"></li><li class="devsite-nav-item"><a href="/docs/genkit/migrating-from-0.5" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/genkit/migrating-from-0.5" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/genkit/migrating-from-0.5" ><span class="devsite-nav-text" tooltip>Migrate from Genkit 0.5</span></a></li><li class="devsite-nav-item devsite-nav-break"></li><li class="devsite-nav-item"><a href="/docs/genkit/feedback" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/genkit/feedback" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/genkit/feedback" ><span class="devsite-nav-text" tooltip>Connect with us</span></a></li></ul></div></li> <li class="devsite-nav-item devsite-nav-expandable devsite-nav-accordion devsite-nav-alpha"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Genkit (Go alpha)</span><span class="devsite-nav-icon material-icons" data-icon="alpha" data-title="Alpha" aria-hidden="true"></span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/genkit-go/get-started-go" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/genkit-go/get-started-go" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/genkit-go/get-started-go" ><span class="devsite-nav-text" tooltip>Get started</span></a></li><li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Building AI workflows</span> </div></li><li class="devsite-nav-item"><a href="/docs/genkit-go/models" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/genkit-go/models" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/genkit-go/models" ><span class="devsite-nav-text" tooltip>Generating content</span></a></li><li class="devsite-nav-item"><a href="/docs/genkit-go/flows" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/genkit-go/flows" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/genkit-go/flows" ><span class="devsite-nav-text" tooltip>Creating flows</span></a></li><li class="devsite-nav-item"><a href="/docs/genkit-go/auth" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/genkit-go/auth" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/genkit-go/auth" ><span class="devsite-nav-text" tooltip>Adding authentication to flows</span></a></li><li class="devsite-nav-item"><a href="/docs/genkit-go/prompts" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/genkit-go/prompts" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/genkit-go/prompts" ><span class="devsite-nav-text" tooltip>Prompting models</span></a></li><li class="devsite-nav-item"><a href="/docs/genkit-go/dotprompt" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/genkit-go/dotprompt" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/genkit-go/dotprompt" ><span class="devsite-nav-text" tooltip>Managing prompts</span></a></li><li class="devsite-nav-item"><a href="/docs/genkit-go/rag" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/genkit-go/rag" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/genkit-go/rag" ><span class="devsite-nav-text" tooltip>Retrieval-augmented generation (RAG)</span></a></li><li class="devsite-nav-item"><a href="/docs/genkit-go/monitoring" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/genkit-go/monitoring" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/genkit-go/monitoring" ><span class="devsite-nav-text" tooltip>Observability & monitoring</span></a></li><li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Deploying AI workflows</span> </div></li><li class="devsite-nav-item"><a href="/docs/genkit-go/cloud-run" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/genkit-go/cloud-run" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/genkit-go/cloud-run" ><span class="devsite-nav-text" tooltip>Deploy with Cloud Run</span></a></li><li class="devsite-nav-item"><a href="/docs/genkit-go/deploy" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/genkit-go/deploy" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/genkit-go/deploy" ><span class="devsite-nav-text" tooltip>Deploy with any hosting service</span></a></li><li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Writing plugins</span> </div></li><li class="devsite-nav-item"><a href="/docs/genkit-go/plugin-authoring" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/genkit-go/plugin-authoring" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/genkit-go/plugin-authoring" ><span class="devsite-nav-text" tooltip>Overview</span></a></li><li class="devsite-nav-item"><a href="/docs/genkit-go/plugin-authoring-models" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/genkit-go/plugin-authoring-models" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/genkit-go/plugin-authoring-models" ><span class="devsite-nav-text" tooltip>Writing a model plugin</span></a></li><li class="devsite-nav-item"><a href="/docs/genkit-go/plugin-authoring-telemetry" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/genkit-go/plugin-authoring-telemetry" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/genkit-go/plugin-authoring-telemetry" ><span class="devsite-nav-text" tooltip>Writing a telemetry plugin</span></a></li><li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Official plugins</span> </div></li><li class="devsite-nav-item"><a href="/docs/genkit-go/plugins/google-genai" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/genkit-go/plugins/google-genai" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/genkit-go/plugins/google-genai" ><span class="devsite-nav-text" tooltip>Google AI for Developers</span></a></li><li class="devsite-nav-item"><a href="/docs/genkit-go/plugins/vertex-ai" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/genkit-go/plugins/vertex-ai" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/genkit-go/plugins/vertex-ai" ><span class="devsite-nav-text" tooltip>Google Cloud Vertex AI</span></a></li><li class="devsite-nav-item"><a href="/docs/genkit-go/plugins/ollama" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/genkit-go/plugins/ollama" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/genkit-go/plugins/ollama" ><span class="devsite-nav-text" tooltip>Ollama</span></a></li><li class="devsite-nav-item"><a href="/docs/genkit-go/plugins/pinecone" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/genkit-go/plugins/pinecone" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/genkit-go/plugins/pinecone" ><span class="devsite-nav-text" tooltip>Pinecone</span></a></li><li class="devsite-nav-item"><a href="/docs/genkit-go/pgvector" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/genkit-go/pgvector" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/genkit-go/pgvector" ><span class="devsite-nav-text" tooltip>pgvector (code template)</span></a></li><li class="devsite-nav-item"><a href="/docs/genkit-go/plugins/google-cloud" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/genkit-go/plugins/google-cloud" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/genkit-go/plugins/google-cloud" ><span class="devsite-nav-text" tooltip>Google Cloud</span></a></li><li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Reference</span> </div></li><li class="devsite-nav-item devsite-nav-external"><a href="https://pkg.go.dev/github.com/firebase/genkit/go" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: https://pkg.go.dev/github.com/firebase/genkit/go" track-type="bookNav" track-name="click" track-metadata-eventdetail="https://pkg.go.dev/github.com/firebase/genkit/go" ><span class="devsite-nav-text" tooltip>Genkit packages</span><span class="devsite-nav-icon material-icons" data-icon="external" data-title="External" aria-hidden="true"></span></a></li></ul></div></li> <li class="devsite-nav-item devsite-nav-expandable devsite-nav-accordion devsite-nav-beta"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Firebase ML</span><span class="devsite-nav-icon material-icons" data-icon="beta" data-title="Beta" aria-hidden="true"></span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/ml" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml" ><span class="devsite-nav-text" tooltip>Introduction</span></a></li><li class="devsite-nav-item"><a href="/docs/ml/codelabs" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml/codelabs" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml/codelabs" ><span class="devsite-nav-text" tooltip>Codelabs</span></a></li><li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Custom Models</span> </div></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Use a custom model</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/ml/use-custom-models" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml/use-custom-models" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml/use-custom-models" ><span class="devsite-nav-text" tooltip>Overview</span></a></li><li class="devsite-nav-item"><a href="/docs/ml/ios/use-custom-models" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml/ios/use-custom-models" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml/ios/use-custom-models" ><span class="devsite-nav-text" tooltip>iOS+</span></a></li><li class="devsite-nav-item"><a href="/docs/ml/android/use-custom-models" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml/android/use-custom-models" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml/android/use-custom-models" ><span class="devsite-nav-text" tooltip>Android</span></a></li><li class="devsite-nav-item"><a href="/docs/ml/flutter/use-custom-models" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml/flutter/use-custom-models" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml/flutter/use-custom-models" ><span class="devsite-nav-text" tooltip>Flutter</span></a></li></ul></div></li><li class="devsite-nav-item"><a href="/docs/ml/manage-hosted-models" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml/manage-hosted-models" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml/manage-hosted-models" ><span class="devsite-nav-text" tooltip>Deploy & manage custom models</span></a></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Migrate from the legacy API</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/ml/ios/migrate-from-legacy-api" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml/ios/migrate-from-legacy-api" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml/ios/migrate-from-legacy-api" ><span class="devsite-nav-text" tooltip>iOS+</span></a></li><li class="devsite-nav-item"><a href="/docs/ml/android/migrate-from-legacy-api" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml/android/migrate-from-legacy-api" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml/android/migrate-from-legacy-api" ><span class="devsite-nav-text" tooltip>Android</span></a></li></ul></div></li><li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Use Cloud Vision APIs</span> </div></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Recognize text</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/ml/recognize-text" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml/recognize-text" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml/recognize-text" ><span class="devsite-nav-text" tooltip>Overview</span></a></li><li class="devsite-nav-item"><a href="/docs/ml/ios/recognize-text" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml/ios/recognize-text" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml/ios/recognize-text" ><span class="devsite-nav-text" tooltip>iOS+</span></a></li><li class="devsite-nav-item"><a href="/docs/ml/android/recognize-text" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml/android/recognize-text" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml/android/recognize-text" ><span class="devsite-nav-text" tooltip>Android</span></a></li></ul></div></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Label images</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/ml/label-images" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml/label-images" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml/label-images" ><span class="devsite-nav-text" tooltip>Overview</span></a></li><li class="devsite-nav-item"><a href="/docs/ml/ios/label-images" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml/ios/label-images" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml/ios/label-images" ><span class="devsite-nav-text" tooltip>iOS+</span></a></li><li class="devsite-nav-item"><a href="/docs/ml/android/label-images" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml/android/label-images" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml/android/label-images" ><span class="devsite-nav-text" tooltip>Android</span></a></li></ul></div></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Recognize landmarks</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/ml/recognize-landmarks" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml/recognize-landmarks" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml/recognize-landmarks" ><span class="devsite-nav-text" tooltip>Overview</span></a></li><li class="devsite-nav-item"><a href="/docs/ml/ios/recognize-landmarks" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml/ios/recognize-landmarks" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml/ios/recognize-landmarks" ><span class="devsite-nav-text" tooltip>iOS+</span></a></li><li class="devsite-nav-item"><a href="/docs/ml/android/recognize-landmarks" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml/android/recognize-landmarks" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml/android/recognize-landmarks" ><span class="devsite-nav-text" tooltip>Android</span></a></li></ul></div></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Deprecated Vision SDKs</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Recognize text</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/ml/ios/recognize-text-deprecated" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml/ios/recognize-text-deprecated" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml/ios/recognize-text-deprecated" ><span class="devsite-nav-text" tooltip>iOS+</span></a></li><li class="devsite-nav-item"><a href="/docs/ml/android/recognize-text-deprecated" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml/android/recognize-text-deprecated" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml/android/recognize-text-deprecated" ><span class="devsite-nav-text" tooltip>Android</span></a></li></ul></div></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Label images</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/ml/ios/label-images-deprecated" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml/ios/label-images-deprecated" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml/ios/label-images-deprecated" ><span class="devsite-nav-text" tooltip>iOS+</span></a></li><li class="devsite-nav-item"><a href="/docs/ml/android/label-images-deprecated" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml/android/label-images-deprecated" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml/android/label-images-deprecated" ><span class="devsite-nav-text" tooltip>Android</span></a></li></ul></div></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Recognize landmarks</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/ml/ios/recognize-landmarks-deprecated" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml/ios/recognize-landmarks-deprecated" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml/ios/recognize-landmarks-deprecated" ><span class="devsite-nav-text" tooltip>iOS+</span></a></li><li class="devsite-nav-item"><a href="/docs/ml/android/recognize-landmarks-deprecated" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml/android/recognize-landmarks-deprecated" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml/android/recognize-landmarks-deprecated" ><span class="devsite-nav-text" tooltip>Android</span></a></li></ul></div></li></ul></div></li><li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Cloud AutoML Vision Edge (deprecated)</span> </div></li><li class="devsite-nav-item"><a href="/docs/ml/automl-image-labeling" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml/automl-image-labeling" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml/automl-image-labeling" ><span class="devsite-nav-text" tooltip>Overview</span></a></li><li class="devsite-nav-item"><a href="/docs/ml/train-image-labeler" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml/train-image-labeler" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml/train-image-labeler" ><span class="devsite-nav-text" tooltip>Train image labeling models</span></a></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Label images with your models</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/ml/ios/label-images-with-automl" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml/ios/label-images-with-automl" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml/ios/label-images-with-automl" ><span class="devsite-nav-text" tooltip>iOS+</span></a></li><li class="devsite-nav-item"><a href="/docs/ml/android/label-images-with-automl" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml/android/label-images-with-automl" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml/android/label-images-with-automl" ><span class="devsite-nav-text" tooltip>Android</span></a></li></ul></div></li><li class="devsite-nav-item"><a href="/docs/ml/train-object-detector" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml/train-object-detector" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml/train-object-detector" ><span class="devsite-nav-text" tooltip>Train object detection models</span></a></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Detect objects with your models</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/ml/ios/detect-objects-with-automl" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml/ios/detect-objects-with-automl" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml/ios/detect-objects-with-automl" ><span class="devsite-nav-text" tooltip>iOS+</span></a></li><li class="devsite-nav-item"><a href="/docs/ml/android/detect-objects-with-automl" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml/android/detect-objects-with-automl" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml/android/detect-objects-with-automl" ><span class="devsite-nav-text" tooltip>Android</span></a></li></ul></div></li><li class="devsite-nav-item"><a href="/docs/ml/migrate-automl-datasets" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml/migrate-automl-datasets" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml/migrate-automl-datasets" ><span class="devsite-nav-text" tooltip>Migrate datasets</span></a></li><li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Advanced Topics</span> </div></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>A/B test two versions of a model</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/ml/ios/ab-test-models" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml/ios/ab-test-models" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml/ios/ab-test-models" ><span class="devsite-nav-text" tooltip>iOS+</span></a></li><li class="devsite-nav-item"><a href="/docs/ml/android/ab-test-models" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml/android/ab-test-models" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml/android/ab-test-models" ><span class="devsite-nav-text" tooltip>Android</span></a></li></ul></div></li><li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Prepare for Production</span> </div></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Protect your Cloud credentials</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/ml/ios/secure-api-key" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml/ios/secure-api-key" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml/ios/secure-api-key" ><span class="devsite-nav-text" tooltip>iOS+</span></a></li><li class="devsite-nav-item"><a href="/docs/ml/android/secure-api-key" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml/android/secure-api-key" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml/android/secure-api-key" ><span class="devsite-nav-text" tooltip>Android</span></a></li></ul></div></li><li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Legacy Documentation</span> </div></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>ML Kit for Firebase</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/ml-kit" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml-kit" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml-kit" ><span class="devsite-nav-text" tooltip>Introduction</span></a></li><li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Vision</span> </div></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Recognize text</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/ml-kit/recognize-text" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml-kit/recognize-text" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml-kit/recognize-text" ><span class="devsite-nav-text" tooltip>Overview</span></a></li><li class="devsite-nav-item"><a href="/docs/ml-kit/ios/recognize-text" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml-kit/ios/recognize-text" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml-kit/ios/recognize-text" ><span class="devsite-nav-text" tooltip>iOS</span></a></li><li class="devsite-nav-item"><a href="/docs/ml-kit/android/recognize-text" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml-kit/android/recognize-text" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml-kit/android/recognize-text" ><span class="devsite-nav-text" tooltip>Android</span></a></li></ul></div></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Detect faces</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/ml-kit/detect-faces" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml-kit/detect-faces" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml-kit/detect-faces" ><span class="devsite-nav-text" tooltip>Overview</span></a></li><li class="devsite-nav-item"><a href="/docs/ml-kit/face-detection-concepts" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml-kit/face-detection-concepts" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml-kit/face-detection-concepts" ><span class="devsite-nav-text" tooltip>Concepts</span></a></li><li class="devsite-nav-item"><a href="/docs/ml-kit/ios/detect-faces" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml-kit/ios/detect-faces" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml-kit/ios/detect-faces" ><span class="devsite-nav-text" tooltip>iOS</span></a></li><li class="devsite-nav-item"><a href="/docs/ml-kit/android/detect-faces" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml-kit/android/detect-faces" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml-kit/android/detect-faces" ><span class="devsite-nav-text" tooltip>Android</span></a></li></ul></div></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Scan barcodes</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/ml-kit/read-barcodes" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml-kit/read-barcodes" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml-kit/read-barcodes" ><span class="devsite-nav-text" tooltip>Overview</span></a></li><li class="devsite-nav-item"><a href="/docs/ml-kit/ios/read-barcodes" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml-kit/ios/read-barcodes" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml-kit/ios/read-barcodes" ><span class="devsite-nav-text" tooltip>iOS</span></a></li><li class="devsite-nav-item"><a href="/docs/ml-kit/android/read-barcodes" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml-kit/android/read-barcodes" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml-kit/android/read-barcodes" ><span class="devsite-nav-text" tooltip>Android</span></a></li></ul></div></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Label images</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/ml-kit/label-images" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml-kit/label-images" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml-kit/label-images" ><span class="devsite-nav-text" tooltip>Overview</span></a></li><li class="devsite-nav-item"><a href="/docs/ml-kit/ios/label-images" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml-kit/ios/label-images" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml-kit/ios/label-images" ><span class="devsite-nav-text" tooltip>iOS</span></a></li><li class="devsite-nav-item"><a href="/docs/ml-kit/android/label-images" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml-kit/android/label-images" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml-kit/android/label-images" ><span class="devsite-nav-text" tooltip>Android</span></a></li></ul></div></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Detect and track objects</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/ml-kit/object-detection" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml-kit/object-detection" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml-kit/object-detection" ><span class="devsite-nav-text" tooltip>Overview</span></a></li><li class="devsite-nav-item"><a href="/docs/ml-kit/ios/detect-objects" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml-kit/ios/detect-objects" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml-kit/ios/detect-objects" ><span class="devsite-nav-text" tooltip>iOS</span></a></li><li class="devsite-nav-item"><a href="/docs/ml-kit/android/detect-objects" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml-kit/android/detect-objects" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml-kit/android/detect-objects" ><span class="devsite-nav-text" tooltip>Android</span></a></li></ul></div></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Recognize landmarks</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/ml-kit/recognize-landmarks" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml-kit/recognize-landmarks" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml-kit/recognize-landmarks" ><span class="devsite-nav-text" tooltip>Overview</span></a></li><li class="devsite-nav-item"><a href="/docs/ml-kit/ios/recognize-landmarks" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml-kit/ios/recognize-landmarks" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml-kit/ios/recognize-landmarks" ><span class="devsite-nav-text" tooltip>iOS</span></a></li><li class="devsite-nav-item"><a href="/docs/ml-kit/android/recognize-landmarks" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml-kit/android/recognize-landmarks" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml-kit/android/recognize-landmarks" ><span class="devsite-nav-text" tooltip>Android</span></a></li></ul></div></li><li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>AutoML Vision Edge</span> </div></li><li class="devsite-nav-item"><a href="/docs/ml-kit/automl-image-labeling" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml-kit/automl-image-labeling" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml-kit/automl-image-labeling" ><span class="devsite-nav-text" tooltip>Overview</span></a></li><li class="devsite-nav-item"><a href="/docs/ml-kit/train-image-labeler" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml-kit/train-image-labeler" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml-kit/train-image-labeler" ><span class="devsite-nav-text" tooltip>Train image labeling models</span></a></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Label images with your models</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/ml-kit/ios/label-images-with-automl" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml-kit/ios/label-images-with-automl" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml-kit/ios/label-images-with-automl" ><span class="devsite-nav-text" tooltip>iOS</span></a></li><li class="devsite-nav-item"><a href="/docs/ml-kit/android/label-images-with-automl" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml-kit/android/label-images-with-automl" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml-kit/android/label-images-with-automl" ><span class="devsite-nav-text" tooltip>Android</span></a></li></ul></div></li><li class="devsite-nav-item"><a href="/docs/ml-kit/migrate-automl-datasets" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml-kit/migrate-automl-datasets" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml-kit/migrate-automl-datasets" ><span class="devsite-nav-text" tooltip>Migrate datasets</span></a></li><li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Natural Language</span> </div></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Identify the language of text</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/ml-kit/identify-languages" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml-kit/identify-languages" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml-kit/identify-languages" ><span class="devsite-nav-text" tooltip>Overview</span></a></li><li class="devsite-nav-item"><a href="/docs/ml-kit/ios/identify-languages" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml-kit/ios/identify-languages" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml-kit/ios/identify-languages" ><span class="devsite-nav-text" tooltip>iOS</span></a></li><li class="devsite-nav-item"><a href="/docs/ml-kit/android/identify-languages" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml-kit/android/identify-languages" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml-kit/android/identify-languages" ><span class="devsite-nav-text" tooltip>Android</span></a></li></ul></div></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Translate text</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/ml-kit/translation" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml-kit/translation" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml-kit/translation" ><span class="devsite-nav-text" tooltip>Overview</span></a></li><li class="devsite-nav-item"><a href="/docs/ml-kit/ios/translate-text" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml-kit/ios/translate-text" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml-kit/ios/translate-text" ><span class="devsite-nav-text" tooltip>iOS</span></a></li><li class="devsite-nav-item"><a href="/docs/ml-kit/android/translate-text" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml-kit/android/translate-text" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml-kit/android/translate-text" ><span class="devsite-nav-text" tooltip>Android</span></a></li><li class="devsite-nav-item"><a href="/docs/ml-kit/translation-terms" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml-kit/translation-terms" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml-kit/translation-terms" ><span class="devsite-nav-text" tooltip>Usage guidelines</span></a></li></ul></div></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Generate smart replies</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/ml-kit/generate-smart-replies" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml-kit/generate-smart-replies" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml-kit/generate-smart-replies" ><span class="devsite-nav-text" tooltip>Overview</span></a></li><li class="devsite-nav-item"><a href="/docs/ml-kit/ios/generate-smart-replies" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml-kit/ios/generate-smart-replies" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml-kit/ios/generate-smart-replies" ><span class="devsite-nav-text" tooltip>iOS</span></a></li><li class="devsite-nav-item"><a href="/docs/ml-kit/android/generate-smart-replies" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml-kit/android/generate-smart-replies" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml-kit/android/generate-smart-replies" ><span class="devsite-nav-text" tooltip>Android</span></a></li></ul></div></li><li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Custom Models</span> </div></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Use a custom model</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/ml-kit/use-custom-models" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml-kit/use-custom-models" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml-kit/use-custom-models" ><span class="devsite-nav-text" tooltip>Overview</span></a></li><li class="devsite-nav-item"><a href="/docs/ml-kit/ios/use-custom-models" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml-kit/ios/use-custom-models" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml-kit/ios/use-custom-models" ><span class="devsite-nav-text" tooltip>iOS</span></a></li><li class="devsite-nav-item"><a href="/docs/ml-kit/android/use-custom-models" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml-kit/android/use-custom-models" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml-kit/android/use-custom-models" ><span class="devsite-nav-text" tooltip>Android</span></a></li></ul></div></li><li class="devsite-nav-item"><a href="/docs/ml-kit/manage-hosted-models" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml-kit/manage-hosted-models" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml-kit/manage-hosted-models" ><span class="devsite-nav-text" tooltip>Manage hosted custom models</span></a></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Use a custom TensorFlow Lite build</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/ml-kit/ios/use-custom-tflite" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml-kit/ios/use-custom-tflite" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml-kit/ios/use-custom-tflite" ><span class="devsite-nav-text" tooltip>iOS</span></a></li><li class="devsite-nav-item"><a href="/docs/ml-kit/android/use-custom-tflite" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml-kit/android/use-custom-tflite" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml-kit/android/use-custom-tflite" ><span class="devsite-nav-text" tooltip>Android</span></a></li></ul></div></li><li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Advanced Topics</span> </div></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>A/B test two versions of a model</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/ml-kit/ios/ab-test-models" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml-kit/ios/ab-test-models" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml-kit/ios/ab-test-models" ><span class="devsite-nav-text" tooltip>iOS</span></a></li><li class="devsite-nav-item"><a href="/docs/ml-kit/android/ab-test-models" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml-kit/android/ab-test-models" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml-kit/android/ab-test-models" ><span class="devsite-nav-text" tooltip>Android</span></a></li></ul></div></li><li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Prepare for Production</span> </div></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Reduce app package size</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/ml-kit/android/reduce-app-size" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml-kit/android/reduce-app-size" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml-kit/android/reduce-app-size" ><span class="devsite-nav-text" tooltip>Android</span></a></li></ul></div></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Protect your Cloud credentials</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/ml-kit/ios/secure-api-key" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml-kit/ios/secure-api-key" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml-kit/ios/secure-api-key" ><span class="devsite-nav-text" tooltip>iOS</span></a></li><li class="devsite-nav-item"><a href="/docs/ml-kit/android/secure-api-key" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ml-kit/android/secure-api-key" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ml-kit/android/secure-api-key" ><span class="devsite-nav-text" tooltip>Android</span></a></li></ul></div></li></ul></div></li></ul></div></li> <li class="devsite-nav-item devsite-nav-divider devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>RELATED PRODUCTS</span> </div></li> <li class="devsite-nav-item"><a href="//firebase.google.com/docs/cloud-messaging/" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: //firebase.google.com/docs/cloud-messaging/" track-type="bookNav" track-name="click" track-metadata-eventdetail="//firebase.google.com/docs/cloud-messaging/" ><span class="devsite-nav-text" tooltip>Cloud Messaging</span></a></li> <li class="devsite-nav-item"><a href="//firebase.google.com/docs/remote-config/" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: //firebase.google.com/docs/remote-config/" track-type="bookNav" track-name="click" track-metadata-eventdetail="//firebase.google.com/docs/remote-config/" ><span class="devsite-nav-text" tooltip>Remote Config</span></a></li> </ul> <ul class="devsite-nav-list" menu="Build" aria-label="Side menu" hidden> <li class="devsite-nav-item devsite-nav-heading"> <span class="devsite-nav-title" tooltip > <span class="devsite-nav-text" tooltip > Build </span> </span> </li> <li class="devsite-nav-item"> <a href="/products-build" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Go to Build" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Go to Build </span> </a> </li> <li class="devsite-nav-item devsite-nav-heading"> <span class="devsite-nav-title" tooltip > <span class="devsite-nav-text" tooltip > Build Products </span> </span> </li> <li class="devsite-nav-item"> <a href="/products/app-check" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: App Check" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > App Check </span> </a> </li> <li class="devsite-nav-item"> <a href="/products/app-hosting" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: App Hosting" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > App Hosting </span> </a> </li> <li class="devsite-nav-item"> <a href="/products/auth" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Authentication" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Authentication </span> </a> </li> <li class="devsite-nav-item"> <a href="/products/functions" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Cloud Functions" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Cloud Functions </span> </a> </li> <li class="devsite-nav-item"> <a href="/products/storage" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Cloud Storage" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Cloud Storage </span> </a> </li> <li class="devsite-nav-item"> <a href="/products/data-connect" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Data Connect" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Data Connect </span> </a> </li> <li class="devsite-nav-item"> <a href="/products/extensions" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Extensions" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Extensions </span> </a> </li> <li class="devsite-nav-item"> <a href="/products/ml" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Firebase ML" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Firebase ML </span> </a> </li> <li class="devsite-nav-item"> <a href="/products/firestore" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Firestore" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Firestore </span> </a> </li> <li class="devsite-nav-item"> <a href="/products/genkit" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Genkit" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Genkit </span> </a> </li> <li class="devsite-nav-item"> <a href="/products/hosting" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Hosting" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Hosting </span> </a> </li> <li class="devsite-nav-item"> <a href="/products/realtime-database" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Realtime Database" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Realtime Database </span> </a> </li> <li class="devsite-nav-item"> <a href="/products/vertex-ai-in-firebase" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Vertex AI in Firebase" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Vertex AI in Firebase </span> </a> </li> <li class="devsite-nav-item"> <a href="/products/generative-ai" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Generative AI" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Generative AI </span> </a> </li> </ul> <ul class="devsite-nav-list" menu="Run" aria-label="Side menu" hidden> <li class="devsite-nav-item devsite-nav-heading"> <span class="devsite-nav-title" tooltip > <span class="devsite-nav-text" tooltip > Run </span> </span> </li> <li class="devsite-nav-item"> <a href="/products-run" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Go to Run" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Go to Run </span> </a> </li> <li class="devsite-nav-item devsite-nav-heading"> <span class="devsite-nav-title" tooltip > <span class="devsite-nav-text" tooltip > Run Products </span> </span> </li> <li class="devsite-nav-item"> <a href="/products/ab-testing" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: A/B Testing" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > A/B Testing </span> </a> </li> <li class="devsite-nav-item"> <a href="/products/app-distribution" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: App Distribution" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > App Distribution </span> </a> </li> <li class="devsite-nav-item"> <a href="/products/cloud-messaging" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Cloud Messaging" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Cloud Messaging </span> </a> </li> <li class="devsite-nav-item"> <a href="/products/crashlytics" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Crashlytics" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Crashlytics </span> </a> </li> <li class="devsite-nav-item"> <a href="/products/analytics" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Google Analytics" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Google Analytics </span> </a> </li> <li class="devsite-nav-item"> <a href="/products/in-app-messaging" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: In-App Messaging" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > In-App Messaging </span> </a> </li> <li class="devsite-nav-item"> <a href="/products/performance" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Performance Monitoring" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Performance Monitoring </span> </a> </li> <li class="devsite-nav-item"> <a href="/products/remote-config" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Remote Config" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Remote Config </span> </a> </li> <li class="devsite-nav-item"> <a href="/products/test-lab" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Test Lab" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Test Lab </span> </a> </li> </ul> <ul class="devsite-nav-list" menu="Docs" aria-label="Side menu" hidden> <li class="devsite-nav-item"> <a href="/docs" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Overview" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Overview </span> </a> </li> <li class="devsite-nav-item"> <a href="/docs/guides" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Fundamentals" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Fundamentals </span> </a> </li> <li class="devsite-nav-item"> <a href="/docs/build" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Build" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Build </span> </a> </li> <li class="devsite-nav-item"> <a href="/docs/run" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Run" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Run </span> </a> </li> <li class="devsite-nav-item"> <a href="/docs/reference" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Reference" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Reference </span> </a> </li> <li class="devsite-nav-item"> <a href="/docs/samples" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Samples" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Samples </span> </a> </li> </ul> <ul class="devsite-nav-list" menu="Community" aria-label="Side 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tooltip > Stories </span> </a> </li> </ul> <ul class="devsite-nav-list" menu="Fundamentals" aria-label="Side menu" hidden> <li class="devsite-nav-item"> <a href="/docs/ios/setup" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Add Firebase - Apple platforms (iOS+)" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Add Firebase - Apple platforms (iOS+) </span> </a> </li> <li class="devsite-nav-item"> <a href="/docs/android/setup" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Add Firebase - Android" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Add Firebase - Android </span> </a> </li> <li class="devsite-nav-item"> <a href="/docs/web/setup" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Add Firebase - Web" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Add Firebase - Web </span> </a> </li> <li class="devsite-nav-item"> <a href="/docs/flutter/setup" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Add Firebase - Flutter" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Add Firebase - Flutter </span> </a> </li> <li class="devsite-nav-item"> <a href="/docs/cpp/setup" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Add Firebase - C++" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Add Firebase - C++ </span> </a> </li> <li 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data-label="Responsive Tab: Analytics" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Analytics </span> </a> </li> <li class="devsite-nav-item"> <a href="/docs/cloud-messaging" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Cloud Messaging" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Cloud Messaging </span> </a> </li> <li class="devsite-nav-item"> <a href="/docs/in-app-messaging" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: In-App Messaging" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > In-App Messaging </span> </a> </li> <li class="devsite-nav-item"> <a href="/docs/dynamic-links" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Dynamic Links" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Dynamic Links </span> </a> </li> <li class="devsite-nav-item"> <a href="/docs/admob" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Google AdMob" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Google AdMob </span> </a> </li> <li class="devsite-nav-item"> <a href="/docs/ads" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Google Ads" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Google Ads </span> </a> </li> </ul> </div> </div> </nav> </devsite-book-nav> <section id="gc-wrapper"> <main role="main" class="devsite-main-content" has-book-nav > <devsite-content> <article class="devsite-article"><style> /* Styles inlined from /styles/docs.css */ .center { text-align: center } /* Used in AdMob code examples */ .oldcode { opacity: .40; /* IE 8 */ -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=40)"; filter: progid:DXImageTransform.Microsoft.Alpha(Opacity=40); /* IE <= 7 */ filter:alpha(opacity=40); } .newcode { font-weight: bold; } /* Device Screenshots */ .deviceshot { max-width: 700px; max-height: 400px; } /* Start Changelog styles */ .badge { position: relative; top: -3px; border-radius: 16px; display: inline-block; width: 110px; height: 32px; line-height: 32px; margin-right: 10px; text-transform: uppercase; font-size: 13px; font-weight: 700; text-align: center; color: var(--tenant-inverted-text-color); } .checklist > ul { padding-left: 125px; } .checklist > ul > li { list-style-type: none; margin-bottom: 22px; } .changelog > ul { padding-left: 0; } .changelog > ul > li { list-style-type: none; margin-bottom: 22px; } .firebase-support-release-page .changelog > ul { list-style-type: none; padding-left: 125px; } .firebase-release-roundup .changelog > ul { list-style-type: disc outside; padding-left: 40px; } .firebase-release-roundup .changelog > ul > li { list-style-type: disc outside; margin-bottom: 12px; } .generic-android::before, .generic-ios::before, .generic-mobile::before, .generic-web::before, .generic-flutter::before, .generic-unity::before, .generic-cpp::before, .generic-all::before, .release-changed::before, .release-deprecated::before, .release-feature::before, .release-fixed::before, .release-important::before, .release-issue::before, .release-removed::before, .release-unchanged::before, .release-android::before, .release-android-bom::before, .release-ios::before, .release-javascript::before, .release-flutter::before, .release-unity::before, 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border-color: #7f6545; } .release-cpp::before { content: "C++"; color: var(--tenant-secondary-text-color); border: 5px solid; border-color: #ff8c00; } .release-admin::before { content: "Admin"; color: var(--tenant-secondary-text-color); border: 5px solid; border-color: #909090; } .release-functions::before { content: "Functions"; color: var(--tenant-secondary-text-color); border: 5px solid; border-color: #2c384a; } .release-cli::before { text-transform: none; content: "CLI"; color: var(--tenant-secondary-text-color); border: 5px solid; border-color: #f4b400; } .release-rules::before { content: "Rules"; color: var(--tenant-secondary-text-color); border: 5px solid; border-color: #002991; } /* End Changelog styles */ /* Docs Overview page styles */ .docs-android, .docs-ios, .docs-web, .docs-cpp, .docs-unity { height: 64px; width: 64px; margin: 10px 16px 0 -16px; } .firebase-docs-overview .devsite-landing-row h2 { margin: 80px 0 -40px; } .devsite-landing-row-3-up .docs-landing-row-item { 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project-name="Firebase App Hosting" product-id="719752" bucket="" context="" version="t-devsite-webserver-20241114-r00-rc02.464922260396498922" data-label="Send Feedback Button" track-type="feedback" track-name="sendFeedbackLink" track-metadata-position="header" class="nocontent" project-feedback-url="https://firebase.google.com/support/troubleshooter" project-icon="https://www.gstatic.com/devrel-devsite/prod/v870e399c64f7c43c99a3043db4b3a74327bb93d0914e84a0c3dba90bbfd67625/firebase/images/touchicon-180.png" project-support-url="https://firebase.google.com/support/" > <button> Send feedback </button> </devsite-feedback> <h1 class="devsite-page-title" tabindex="-1"> Configure and manage App Hosting backends </h1> <devsite-feature-tooltip ack-key="AckCollectionsBookmarkTooltipDismiss" analytics-category="Site-Wide Custom Events" analytics-action-show="Callout Profile displayed" analytics-action-close="Callout Profile dismissed" analytics-label="Create Collection Callout" class="devsite-page-bookmark-tooltip nocontent" dismiss-button="true" id="devsite-collections-dropdown" dismiss-button-text="Dismiss" close-button-text="Got it"> <devsite-bookmark></devsite-bookmark> <span slot="popout-heading"> Stay organized with collections </span> <span slot="popout-contents"> Save and categorize content based on your preferences. </span> </devsite-feature-tooltip> <div class="devsite-page-title-meta"><devsite-view-release-notes></devsite-view-release-notes></div> <devsite-toc class="devsite-nav" depth="2" devsite-toc-embedded > </devsite-toc> <div class="devsite-article-body clearfix "> <p></p> <p><span class="notranslate">App Hosting</span> has been designed for ease of use and low maintenance, with default settings optimized for most use cases. At the same time, <span class="notranslate">App Hosting</span> provides tools for you to manage and configure backends for your specific needs. This guide describes those tools and processes.</p> <h2 id="configure-backend" data-text="Configure a backend" tabindex="-1">Configure a backend</h2> <p>For advanced configuration such as environment variables or runtime settings such as concurrency, CPU, and memory limits, you'll need to create and edit the <code translate="no" dir="ltr">apphosting.yaml</code> file in your app's root directory. This file also supports references to secrets managed with Cloud Secret Manager, making it safe to check into source control.</p> <p>To create <code translate="no" dir="ltr">apphosting.yaml</code>, run the following command:</p> <div></div><devsite-code><pre class="devsite-click-to-copy devsite-terminal" translate="no" dir="ltr" is-upgraded syntax="Bash Session"><code translate="no" dir="ltr"><span class="devsite-syntax-go">firebase init apphosting</span> </code></pre></devsite-code> <p>This creates a basic starter <code translate="no" dir="ltr">apphosting.yaml</code> file with example (commented) configuration. After editing, a typical <code translate="no" dir="ltr">apphosting.yaml</code> file might look like the following, with settings for the backend's <span class="notranslate">Cloud Run</span> service, some environment variables, and some references to secrets managed by Cloud Secret Manager:</p> <div></div><devsite-code><pre class="devsite-click-to-copy" translate="no" dir="ltr" is-upgraded syntax="YAML"><code translate="no" dir="ltr"><span class="devsite-syntax-c1"># Settings for Cloud Run</span> <span class="devsite-syntax-nt">runConfig</span><span class="devsite-syntax-p">:</span> <span class="devsite-syntax-w"> </span><span class="devsite-syntax-nt">minInstances</span><span class="devsite-syntax-p">:</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-l devsite-syntax-l-Scalar devsite-syntax-l-Scalar-Plain">2</span> <span class="devsite-syntax-w"> </span><span class="devsite-syntax-nt">maxInstances</span><span class="devsite-syntax-p">:</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-l devsite-syntax-l-Scalar devsite-syntax-l-Scalar-Plain">100</span> <span class="devsite-syntax-w"> </span><span class="devsite-syntax-nt">concurrency</span><span class="devsite-syntax-p">:</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-l devsite-syntax-l-Scalar devsite-syntax-l-Scalar-Plain">100</span> <span class="devsite-syntax-w"> </span><span class="devsite-syntax-nt">cpu</span><span class="devsite-syntax-p">:</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-l devsite-syntax-l-Scalar devsite-syntax-l-Scalar-Plain">2</span> <span class="devsite-syntax-w"> </span><span class="devsite-syntax-nt">memoryMiB</span><span class="devsite-syntax-p">:</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-l devsite-syntax-l-Scalar devsite-syntax-l-Scalar-Plain">1024</span> <span class="devsite-syntax-c1"># Environment variables and secrets</span> <span class="devsite-syntax-nt">env</span><span class="devsite-syntax-p">:</span> <span class="devsite-syntax-w"> </span><span class="devsite-syntax-p devsite-syntax-p-Indicator">-</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-nt">variable</span><span class="devsite-syntax-p">:</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-l devsite-syntax-l-Scalar devsite-syntax-l-Scalar-Plain">STORAGE_BUCKET</span> <span class="devsite-syntax-w"> </span><span class="devsite-syntax-nt">value</span><span class="devsite-syntax-p">:</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-l devsite-syntax-l-Scalar devsite-syntax-l-Scalar-Plain">mybucket.appspot.com</span> <span class="devsite-syntax-w"> </span><span class="devsite-syntax-nt">availability</span><span class="devsite-syntax-p">:</span> <span class="devsite-syntax-w"> </span><span class="devsite-syntax-p devsite-syntax-p-Indicator">-</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-l devsite-syntax-l-Scalar devsite-syntax-l-Scalar-Plain">BUILD</span> <span class="devsite-syntax-w"> </span><span class="devsite-syntax-p devsite-syntax-p-Indicator">-</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-l devsite-syntax-l-Scalar devsite-syntax-l-Scalar-Plain">RUNTIME</span> <span class="devsite-syntax-w"> </span><span class="devsite-syntax-p devsite-syntax-p-Indicator">-</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-nt">variable</span><span class="devsite-syntax-p">:</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-l devsite-syntax-l-Scalar devsite-syntax-l-Scalar-Plain">API_KEY</span> <span class="devsite-syntax-w"> </span><span class="devsite-syntax-nt">secret</span><span class="devsite-syntax-p">:</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-l devsite-syntax-l-Scalar devsite-syntax-l-Scalar-Plain">myApiKeySecret</span> <span class="devsite-syntax-w"> </span><span class="devsite-syntax-c1"># Same as API_KEY above but with a pinned version.</span> <span class="devsite-syntax-w"> </span><span class="devsite-syntax-p devsite-syntax-p-Indicator">-</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-nt">variable</span><span class="devsite-syntax-p">:</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-l devsite-syntax-l-Scalar devsite-syntax-l-Scalar-Plain">PINNED_API_KEY</span> <span class="devsite-syntax-w"> </span><span class="devsite-syntax-nt">secret</span><span class="devsite-syntax-p">:</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-l devsite-syntax-l-Scalar devsite-syntax-l-Scalar-Plain">myApiKeySecret@5</span> <span class="devsite-syntax-w"> </span><span class="devsite-syntax-c1"># Same as API_KEY above but with the long form secret reference as defined by Cloud Secret Manager.</span> <span class="devsite-syntax-w"> </span><span class="devsite-syntax-p devsite-syntax-p-Indicator">-</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-nt">variable</span><span class="devsite-syntax-p">:</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-l devsite-syntax-l-Scalar devsite-syntax-l-Scalar-Plain">VERBOSE_API_KEY</span> <span class="devsite-syntax-w"> </span><span class="devsite-syntax-nt">secret</span><span class="devsite-syntax-p">:</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-l devsite-syntax-l-Scalar devsite-syntax-l-Scalar-Plain">projects/test-project/secrets/secretID</span> <span class="devsite-syntax-w"> </span><span class="devsite-syntax-c1"># Same as API_KEY above but with the long form secret reference with pinned version.</span> <span class="devsite-syntax-w"> </span><span class="devsite-syntax-p devsite-syntax-p-Indicator">-</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-nt">variable</span><span class="devsite-syntax-p">:</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-l devsite-syntax-l-Scalar devsite-syntax-l-Scalar-Plain">PINNED_VERBOSE_API_KEY</span> <span class="devsite-syntax-w"> </span><span class="devsite-syntax-nt">secret</span><span class="devsite-syntax-p">:</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-l devsite-syntax-l-Scalar devsite-syntax-l-Scalar-Plain">projects/test-project/secrets/secretID/versions/5</span> </code></pre></devsite-code> <p>The rest of this guide provides more information and context for these example settings.</p> <h3 id="cloud-run" data-text="Configure Cloud Run service settings" tabindex="-1">Configure <span class="notranslate">Cloud Run</span> service settings</h3> <p>With <code translate="no" dir="ltr">apphosting.yaml</code> settings, you can configure how your <span class="notranslate">Cloud Run</span> service is provisioned. The available settings for the <a href="https://cloud.google.com/run/docs/configuring/services/memory-limits"><span class="notranslate">Cloud Run</span> service</a> are provided in the <code translate="no" dir="ltr">runConfig</code> object:</p> <ul> <li><code translate="no" dir="ltr">cpu</code> – Number of CPUs used for each serving instance (default 0).</li> <li><code translate="no" dir="ltr">memoryMiB</code> – Amount of memory allocated for each serving instance in MiB (default 512)</li> <li><code translate="no" dir="ltr">maxInstances</code> – Maximum number of containers to ever run at a time (default of 100 and managed by quota)</li> <li><code translate="no" dir="ltr">minInstances</code> – Number of containers to always keep alive (default 0).</li> <li><code translate="no" dir="ltr">concurrency</code> – Maximum number of requests that each serving instance can receive (default 80).</li> </ul> <p>Note the important relationship between <code translate="no" dir="ltr">cpu</code> and <code translate="no" dir="ltr">memoryMiB</code>; memory can be set to any integer value between 128 to 32768, but increasing the memory limit may require increasing CPU limits:</p> <ul> <li>Over 4GiB requires at least 2 CPUs</li> <li>Over 8GiB requires at least 4 CPUs</li> <li>Over 16GiB requires at least 6 CPUs</li> <li>Over 24GiB requires at least 8 CPUs</li> </ul> <p>Similarly, the value of <code translate="no" dir="ltr">cpu</code> affects concurrency settings. If you set a value less than 1 CPU, you must set concurrency to 1, and CPU will only be allocated during request processing.</p> <h3 id="user-defined-environment" data-text="Configure the build environment" tabindex="-1">Configure the build environment</h3> <p>Sometimes you'll need additional configuration for your build process, such as third-party API keys or tuneable settings. <span class="notranslate">App Hosting</span> offers environment configuration in <code translate="no" dir="ltr">apphosting.yaml</code> to store and retrieve this type of data for your project.</p> <div></div><devsite-code><pre class="devsite-click-to-copy" translate="no" dir="ltr" is-upgraded syntax="YAML"><code translate="no" dir="ltr"><span class="devsite-syntax-nt">env</span><span class="devsite-syntax-p">:</span> <span class="devsite-syntax-p devsite-syntax-p-Indicator">-</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-nt">variable</span><span class="devsite-syntax-p">:</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-l devsite-syntax-l-Scalar devsite-syntax-l-Scalar-Plain">STORAGE_BUCKET</span> <span class="devsite-syntax-w"> </span><span class="devsite-syntax-nt">value</span><span class="devsite-syntax-p">:</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-l devsite-syntax-l-Scalar devsite-syntax-l-Scalar-Plain">mybucket.appspot.com</span> </code></pre></devsite-code> <p>For Next.js apps, dotenv files containing <a href="https://nextjs.org/docs/pages/building-your-application/configuring/environment-variables">environment variables</a> will also work with <span class="notranslate">App Hosting</span>. We recommend using <code translate="no" dir="ltr">apphosting.yaml</code> for granular environment variable control with any framework.</p> <p>In <code translate="no" dir="ltr">apphosting.yaml</code>, you can specify which processes have access to your environment variable by using the <code translate="no" dir="ltr">availability</code> property. You can restrict an environment variable to be available to only the build environment or available only to the runtime environment. By default, it's available to both.</p> <div></div><devsite-code><pre class="devsite-click-to-copy" translate="no" dir="ltr" is-upgraded syntax="YAML"><code translate="no" dir="ltr"><span class="devsite-syntax-nt">env</span><span class="devsite-syntax-p">:</span> <span class="devsite-syntax-p devsite-syntax-p-Indicator">-</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-nt">variable</span><span class="devsite-syntax-p">:</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-l devsite-syntax-l-Scalar devsite-syntax-l-Scalar-Plain">STORAGE_BUCKET</span> <span class="devsite-syntax-w"> </span><span class="devsite-syntax-nt">value</span><span class="devsite-syntax-p">:</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-l devsite-syntax-l-Scalar devsite-syntax-l-Scalar-Plain">mybucket.appspot.com</span> <span class="devsite-syntax-w"> </span><span class="devsite-syntax-nt">availability</span><span class="devsite-syntax-p">:</span> <span class="devsite-syntax-w"> </span><span class="devsite-syntax-p devsite-syntax-p-Indicator">-</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-l devsite-syntax-l-Scalar devsite-syntax-l-Scalar-Plain">BUILD</span> <span class="devsite-syntax-w"> </span><span class="devsite-syntax-p devsite-syntax-p-Indicator">-</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-l devsite-syntax-l-Scalar devsite-syntax-l-Scalar-Plain">RUNTIME</span> </code></pre></devsite-code> <p>For Next.js apps, you can also use the <code translate="no" dir="ltr">NEXT_PUBLIC_</code> prefix the same way you would in your dotenv file to make a variable accessible in the browser.</p> <div></div><devsite-code><pre class="devsite-click-to-copy" translate="no" dir="ltr" is-upgraded syntax="YAML"><code translate="no" dir="ltr"><span class="devsite-syntax-nt">env</span><span class="devsite-syntax-p">:</span> <span class="devsite-syntax-p devsite-syntax-p-Indicator">-</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-nt">variable</span><span class="devsite-syntax-p">:</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-l devsite-syntax-l-Scalar devsite-syntax-l-Scalar-Plain">NEXT_PUBLIC_STORAGE_BUCKET</span> <span class="devsite-syntax-w"> </span><span class="devsite-syntax-nt">value</span><span class="devsite-syntax-p">:</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-l devsite-syntax-l-Scalar devsite-syntax-l-Scalar-Plain">mybucket.appspot.com</span> <span class="devsite-syntax-w"> </span><span class="devsite-syntax-nt">availability</span><span class="devsite-syntax-p">:</span> <span class="devsite-syntax-w"> </span><span class="devsite-syntax-p devsite-syntax-p-Indicator">-</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-l devsite-syntax-l-Scalar devsite-syntax-l-Scalar-Plain">BUILD</span> <span class="devsite-syntax-w"> </span><span class="devsite-syntax-p devsite-syntax-p-Indicator">-</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-l devsite-syntax-l-Scalar devsite-syntax-l-Scalar-Plain">RUNTIME</span> </code></pre></devsite-code> <p>Valid variable keys are comprised of A-Z characters or underscores. Some environment variable keys are reserved for internal use. Don't use any of these keys in your configuration files:</p> <ul> <li>Any variable beginning with <code translate="no" dir="ltr">X_FIREBASE_</code></li> <li><code translate="no" dir="ltr">PORT</code></li> <li><code translate="no" dir="ltr">K_SERVICE</code></li> <li><code translate="no" dir="ltr">K_REVISION</code></li> <li><code translate="no" dir="ltr">K_CONFIGURATION</code></li> </ul> <h3 id="secret-parameters" data-text="Store and access secret parameters" tabindex="-1">Store and access secret parameters</h3> <p>Sensitive information such as API keys should be stored as secrets. You can reference secrets in <code translate="no" dir="ltr">apphosting.yaml</code> to avoid checking sensitive information into source control.</p> <p>Parameters of type <code translate="no" dir="ltr">secret</code> represent string parameters which have a value stored in <a href="https://cloud.google.com/security/products/secret-manager">Cloud Secret Manager</a>. Instead of deriving the value directly, secret parameters check against existence in Cloud Secret Manager, and load the values during rollout.</p> <div></div><devsite-code><pre class="devsite-click-to-copy" translate="no" dir="ltr" is-upgraded syntax="YAML"><code translate="no" dir="ltr"><span class="devsite-syntax-w"> </span><span class="devsite-syntax-p devsite-syntax-p-Indicator">-</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-nt">variable</span><span class="devsite-syntax-p">:</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-l devsite-syntax-l-Scalar devsite-syntax-l-Scalar-Plain">API_KEY</span> <span class="devsite-syntax-w"> </span><span class="devsite-syntax-nt">secret</span><span class="devsite-syntax-p">:</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-l devsite-syntax-l-Scalar devsite-syntax-l-Scalar-Plain">myApiKeySecret</span> </code></pre></devsite-code> <p>Secrets in Cloud Secret manager can have multiple versions. By default, the value of a secret parameter available to your live backend is pinned to the latest available version of the secret at the time the backend was built. If you have requirements for versioning and lifecycle management of parameters, you can pin to specific versions with Cloud Secret Manager. For example, to pin to version 5:</p> <div></div><devsite-code><pre class="devsite-click-to-copy" translate="no" dir="ltr" is-upgraded syntax="YAML"><code translate="no" dir="ltr"><span class="devsite-syntax-w"> </span><span class="devsite-syntax-p devsite-syntax-p-Indicator">-</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-nt">variable</span><span class="devsite-syntax-p">:</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-l devsite-syntax-l-Scalar devsite-syntax-l-Scalar-Plain">PINNED_API_KEY</span> <span class="devsite-syntax-w"> </span><span class="devsite-syntax-nt">secret</span><span class="devsite-syntax-p">:</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-l devsite-syntax-l-Scalar devsite-syntax-l-Scalar-Plain">myApiKeySecret@5</span> </code></pre></devsite-code> <p>You can create secrets with the CLI command <code translate="no" dir="ltr">firebase apphosting:secrets:set</code>, and you will be prompted to add necessary permissions. This flow gives you the option to automatically add the secret reference to <code translate="no" dir="ltr">apphosting.yaml</code>.</p> <p>To use the full suite of Cloud Secret Manager functionality, you can instead use the Cloud Secret Manager console. If you do this, you'll need to grant permissions to your <span class="notranslate">App Hosting</span> backend with the CLI command <code translate="no" dir="ltr">firebase apphosting:secrets:grantaccess</code>.</p> <h2 id="synchronize-firebase" data-text="Synchronize Firebase Auth state" tabindex="-1">Synchronize Firebase Auth state</h2> <p>Apps using Firebase Auth should consider using the Firebase Web SDK to help keep authentication state synchronized between client and server. This can be facilitated by implementing <code translate="no" dir="ltr">FirebaseServerApp</code> with a service worker. The basic task flow is:</p> <ol> <li><a href="/docs/auth/web/service-worker-sessions">Implement a service worker</a> that adds the right headers for your app on requests to server.</li> <li>Get the headers from the request on the server, and convert that to an auth user with <a href="/docs/auth/web/service-worker-sessions#server_side_changes"><code translate="no" dir="ltr">FirebaseServerApp</code></a>.</li> </ol> <h2 id="manage-backends" data-text="Manage backends" tabindex="-1">Manage backends</h2> <p>Commands for basic management of <span class="notranslate">App Hosting</span> backends are provided in the <a href="/docs/cli#apphosting-commands"><span class="notranslate">Firebase</span> CLI</a>. Some operations are also available in the <span class="notranslate">Firebase</span> console. This section will describe some of the more common management tasks, including creating and deleting backends.</p> <h3 id="create-backend" data-text="Create a backend" tabindex="-1">Create a backend</h3> <p>An <span class="notranslate">App Hosting</span> backend is the collection of managed resources that <span class="notranslate">App Hosting</span> creates to build and run your Web app. You can create and list <span class="notranslate">App Hosting</span> backends using the <a href="//console.firebase.google.com/" class="link external gc-analytics-event" data-category="console" data-action="linkClick"><span class="notranslate">Firebase</span> console</a> or <a href="/docs/cli#setup_update_cli"><span class="notranslate">Firebase</span> CLI</a>.</p> <p><strong>Firebase console</strong>: From the <strong>Build</strong> menu, select <strong>App Hosting</strong> and then <strong>Get started</strong>.</p> <p><strong>CLI:</strong> (Version 13.15.4 or later) To create a backend, run the following command from the root of your local project directory, supplying your <a href="/docs/projects/learn-more#project-id">projectID</a> and preferred <a href="/docs/app-hosting/about-app-hosting#locations">region</a> as arguments:</p> <div></div><devsite-code><pre class="devsite-click-to-copy devsite-terminal" translate="no" dir="ltr" is-upgraded syntax="Bash Session"><code translate="no" dir="ltr"><span class="devsite-syntax-go">firebase apphosting:backends:create --project <var label="project ID" translate="no">PROJECT_ID</var> --location us-central1</span> </code></pre></devsite-code> <p>For both console or CLI, follow the prompts to assign a name to your backend, to set up a <a href="/docs/app-hosting/about-app-hosting#repo-integration">GitHub connection</a>, and configure these basic deployment settings:</p> <ul> <li><p>Set <strong>your app's root directory</strong> (defaults to <code translate="no" dir="ltr">/</code>)</p> <p>This is usually where your <code translate="no" dir="ltr">package.json</code> file is located. </code></pre></li> </ul> <ul> <li><p>Set the <strong>live branch</strong></p> <p>This is the branch of your GitHub repository that gets deployed to your live URL. Often, it's the branch into which feature branches or development branches are merged.</p></li> <li><p>Accept or decline <strong>automatic rollouts</strong></p> <p>Automatic rollouts are enabled by default. At completion of backend creation, you can choose for your app to be deployed to <span class="notranslate">App Hosting</span> immediately.</p></li> </ul> <h3 id="delete-backend" data-text="Delete a backend" tabindex="-1">Delete a backend</h3> <p>To fully remove a backend, first use the <span class="notranslate">Firebase</span> CLI and then manually remove related assets, taking special care not to delete any resources that might be used by other backends or other aspects of your Firebase project.</p> <ol> <li><p>Run the following command to delete the <span class="notranslate">App Hosting</span> Backend. This disables all domains for your backend and deletes the associated <span class="notranslate">Cloud Run</span> service:</p> <div></div><devsite-code><pre class="devsite-click-to-copy devsite-terminal" translate="no" dir="ltr" is-upgraded syntax="Bash Session"><code translate="no" dir="ltr"><span class="devsite-syntax-go">firebase apphosting:backends:delete <var label="backend ID" translate="no">BACKEND_ID</var> --project <var label="project ID" translate="no">PROJECT_ID</var> --location us-central1</span> </code></pre></devsite-code></li> <li><p>(Optional) In the Google Cloud Console tab for <a href="https://console.cloud.google.com/artifacts"><span class="notranslate">Artifact Registry</span></a>, delete the image for your backend in "firebaseapphosting-images".</p></li> <li><p>In <a href="https://cloud.google.com/security/products/secret-manager">Cloud Secret Manager</a>, delete any secrets with "apphosting" in the secret name, <strong>taking special care to make sure these secrets are not used by other backends or other aspects of your Firebase project</strong>.</p></li> </ol> <devsite-hats-survey class="nocontent" hats-id="Eo9GZTcG10ncf3CThQj0SEgFWynR" listnr-id="5244646"></devsite-hats-survey> </div> <devsite-thumb-rating position="footer"> </devsite-thumb-rating> <devsite-feedback position="footer" project-name="Firebase App Hosting" product-id="719752" bucket="" context="" version="t-devsite-webserver-20241114-r00-rc02.464922260396498922" data-label="Send Feedback Button" track-type="feedback" track-name="sendFeedbackLink" track-metadata-position="footer" class="nocontent" project-feedback-url="https://firebase.google.com/support/troubleshooter" project-icon="https://www.gstatic.com/devrel-devsite/prod/v870e399c64f7c43c99a3043db4b3a74327bb93d0914e84a0c3dba90bbfd67625/firebase/images/touchicon-180.png" project-support-url="https://firebase.google.com/support/" > <button> Send feedback </button> </devsite-feedback> <div class="devsite-floating-action-buttons"> </div> </article> <devsite-content-footer class="nocontent"> <p>Except as otherwise noted, the content of this page is licensed under the <a href="https://creativecommons.org/licenses/by/4.0/">Creative Commons Attribution 4.0 License</a>, and code samples are licensed under the <a href="https://www.apache.org/licenses/LICENSE-2.0">Apache 2.0 License</a>. 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