Fundamentals | Firebase Documentation

<!doctype html> <html lang="en" dir="ltr"> <head> <meta name="google-signin-client-id" content="721724668570-nbkv1cfusk7kk4eni4pjvepaus73b13t.apps.googleusercontent.com"> <meta name="google-signin-scope" content="profile email https://www.googleapis.com/auth/developerprofiles https://www.googleapis.com/auth/developerprofiles.award"> <meta property="og:site_name" content="Firebase"> <meta property="og:type" content="website"><meta name="theme-color" content="#a8c7fa"><meta charset="utf-8"> <meta content="IE=Edge" http-equiv="X-UA-Compatible"> <meta name="viewport" content="width=device-width, initial-scale=1"> <link rel="manifest" href="/_pwa/firebase/manifest.json" crossorigin="use-credentials"> <link rel="preconnect" href="//www.gstatic.com" crossorigin> <link rel="preconnect" href="//fonts.gstatic.com" crossorigin> <link rel="preconnect" href="//fonts.googleapis.com" crossorigin> <link rel="preconnect" href="//apis.google.com" crossorigin> <link rel="preconnect" href="//www.google-analytics.com" crossorigin><link rel="stylesheet" href="//fonts.googleapis.com/css?family=Google+Sans:400,500|Roboto:400,400italic,500,500italic,700,700italic|Roboto+Mono:400,500,700&display=swap"> <link rel="stylesheet" href="//fonts.googleapis.com/css2?family=Material+Icons&family=Material+Symbols+Outlined&display=block"><link rel="stylesheet" href="https://www.gstatic.com/devrel-devsite/prod/v870e399c64f7c43c99a3043db4b3a74327bb93d0914e84a0c3dba90bbfd67625/firebase/css/app.css"> <link rel="stylesheet" href="https://www.gstatic.com/devrel-devsite/prod/v870e399c64f7c43c99a3043db4b3a74327bb93d0914e84a0c3dba90bbfd67625/firebase/css/dark-theme.css" disabled> <link rel="shortcut icon" href="https://www.gstatic.com/devrel-devsite/prod/v870e399c64f7c43c99a3043db4b3a74327bb93d0914e84a0c3dba90bbfd67625/firebase/images/favicon.png"> <link rel="apple-touch-icon" href="https://www.gstatic.com/devrel-devsite/prod/v870e399c64f7c43c99a3043db4b3a74327bb93d0914e84a0c3dba90bbfd67625/firebase/images/touchicon-180.png"><link rel="canonical" href="https://firebase.google.com/docs/guides"><link rel="search" type="application/opensearchdescription+xml" title="Firebase" href="https://firebase.google.com/s/opensearch.xml"> <link rel="alternate" hreflang="en" href="https://firebase.google.com/docs/guides" /><link rel="alternate" hreflang="x-default" href="https://firebase.google.com/docs/guides" /><link rel="alternate" hreflang="ar" href="https://firebase.google.com/docs/guides?hl=ar" /><link rel="alternate" hreflang="bn" href="https://firebase.google.com/docs/guides?hl=bn" /><link rel="alternate" hreflang="zh-Hans" href="https://firebase.google.com/docs/guides?hl=zh-cn" /><link rel="alternate" hreflang="zh-Hant" href="https://firebase.google.com/docs/guides?hl=zh-tw" /><link rel="alternate" hreflang="fa" href="https://firebase.google.com/docs/guides?hl=fa" /><link rel="alternate" hreflang="he" href="https://firebase.google.com/docs/guides?hl=he" /><link rel="alternate" hreflang="hi" href="https://firebase.google.com/docs/guides?hl=hi" /><link rel="alternate" hreflang="id" href="https://firebase.google.com/docs/guides?hl=id" /><link rel="alternate" hreflang="ja" href="https://firebase.google.com/docs/guides?hl=ja" /><link rel="alternate" hreflang="ko" href="https://firebase.google.com/docs/guides?hl=ko" /><link rel="alternate" hreflang="pl" href="https://firebase.google.com/docs/guides?hl=pl" /><link rel="alternate" hreflang="pt-BR" href="https://firebase.google.com/docs/guides?hl=pt-br" /><link rel="alternate" hreflang="pt" href="https://firebase.google.com/docs/guides?hl=pt" /><link rel="alternate" hreflang="ru" href="https://firebase.google.com/docs/guides?hl=ru" /><link rel="alternate" hreflang="es-419" href="https://firebase.google.com/docs/guides?hl=es-419" /><link rel="alternate" hreflang="th" href="https://firebase.google.com/docs/guides?hl=th" /><link rel="alternate" hreflang="tr" href="https://firebase.google.com/docs/guides?hl=tr" /><link rel="alternate" hreflang="vi" href="https://firebase.google.com/docs/guides?hl=vi" /><title>Fundamentals  |  Firebase Documentation</title> <meta property="og:title" content="Fundamentals  |  Firebase Documentation"><meta property="og:url" content="https://firebase.google.com/docs/guides"><meta property="og:image" content="https://firebase.google.com/static/images/social.png"> <meta property="og:image:width" content="1600"> <meta property="og:image:height" content="800"><meta property="og:locale" content="en"><meta name="twitter:card" content="summary_large_image"><script type="application/ld+json"> { "@context": "https://schema.org", "@type": "Article", "headline": "Fundamentals" } </script><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": "Fundamentals", "item": "https://firebase.google.com/docs/guides" }] } </script> <link rel="stylesheet" href="/extras.css"></head> <body class="" template="landing" theme="firebase-icy-theme" type="article" 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" 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 class="devsite-top-logo-row-middle"> <div class="devsite-header-upper-tabs"> <devsite-tabs class="upper-tabs"> <nav class="devsite-tabs-wrapper" aria-label="Upper tabs"> <tab class="devsite-dropdown "> <a href="https://firebase.google.com/products-build" track-metadata-eventdetail="https://firebase.google.com/products-build" class="devsite-tabs-content gc-analytics-event " track-type="nav" track-metadata-position="nav - build" track-metadata-module="primary nav" 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/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 Documentation" 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="es_419" >Español – América Latina</a> </li> <li role="presentation"> <a role="menuitem" lang="id" >Indonesia</a> </li> <li role="presentation"> <a role="menuitem" lang="pl" >Polski</a> </li> <li role="presentation"> <a role="menuitem" lang="pt" >Português</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" > <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> </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 devsite-active "> <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" aria-label="Fundamentals, selected" 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 "> <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" 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 devsite-nav-active" 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 menu="_book"> Fundamentals </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: 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 " 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> <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: 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/guides" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/guides" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/guides" ><span class="devsite-nav-text" tooltip>Fundamentals</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>Get started with Firebase</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>Add Firebase to an app</span> </div><ul class="devsite-nav-section"><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="Book nav link, pathname: /docs/ios/setup" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ios/setup" ><span class="devsite-nav-text" tooltip>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="Book nav link, pathname: /docs/android/setup" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/android/setup" ><span class="devsite-nav-text" tooltip>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="Book nav link, pathname: /docs/web/setup" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/web/setup" ><span class="devsite-nav-text" tooltip>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="Book nav link, pathname: /docs/flutter/setup" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/flutter/setup" ><span class="devsite-nav-text" tooltip>Flutter</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>Add Firebase to a game</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/games/setup" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/games/setup" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/games/setup" ><span class="devsite-nav-text" tooltip>Overview</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="Book nav link, pathname: /docs/cpp/setup" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/cpp/setup" ><span class="devsite-nav-text" tooltip>C++</span></a></li><li class="devsite-nav-item"><a href="/docs/unity/setup" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/unity/setup" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/unity/setup" ><span class="devsite-nav-text" tooltip>Unity</span></a></li></ul></div></li><li class="devsite-nav-item"><a href="/docs/admin/setup" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/admin/setup" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/admin/setup" ><span class="devsite-nav-text" tooltip>Add Firebase to a server</span></a></li><li class="devsite-nav-item devsite-nav-beta"><a href="/docs/projects/api/workflow_set-up-and-manage-project" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/projects/api/workflow_set-up-and-manage-project" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/projects/api/workflow_set-up-and-manage-project" ><span class="devsite-nav-text" tooltip>Set up projects programmatically</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 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>Manage your Firebase projects</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/projects/learn-more" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/projects/learn-more" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/projects/learn-more" ><span class="devsite-nav-text" tooltip>Understand 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>Set up development workflows</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/projects/dev-workflows/overview-environments" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/projects/dev-workflows/overview-environments" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/projects/dev-workflows/overview-environments" ><span class="devsite-nav-text" tooltip>Overview of environments</span></a></li><li class="devsite-nav-item"><a href="/docs/projects/dev-workflows/general-best-practices" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/projects/dev-workflows/general-best-practices" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/projects/dev-workflows/general-best-practices" ><span class="devsite-nav-text" tooltip>General best practices</span></a></li><li class="devsite-nav-item"><a href="/docs/projects/dev-workflows/general-security-guidelines" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/projects/dev-workflows/general-security-guidelines" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/projects/dev-workflows/general-security-guidelines" ><span class="devsite-nav-text" tooltip>General security guidelines</span></a></li></ul></div></li><li class="devsite-nav-item"><a href="/docs/projects/multiprojects" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/projects/multiprojects" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/projects/multiprojects" ><span class="devsite-nav-text" tooltip>Configure multiple 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>Understand billing</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/projects/billing/firebase-pricing-plans" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/projects/billing/firebase-pricing-plans" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/projects/billing/firebase-pricing-plans" ><span class="devsite-nav-text" tooltip>Firebase pricing plans</span></a></li><li class="devsite-nav-item"><a href="/docs/projects/billing/avoid-surprise-bills" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/projects/billing/avoid-surprise-bills" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/projects/billing/avoid-surprise-bills" ><span class="devsite-nav-text" tooltip>Avoid surprise bills</span></a></li><li class="devsite-nav-item"><a href="/docs/projects/billing/advanced-billing-alerts-logic" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/projects/billing/advanced-billing-alerts-logic" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/projects/billing/advanced-billing-alerts-logic" ><span class="devsite-nav-text" tooltip>Advanced billing alerts & logic</span></a></li></ul></div></li><li class="devsite-nav-item"><a href="/docs/projects/api-keys" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/projects/api-keys" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/projects/api-keys" ><span class="devsite-nav-text" tooltip>Learn about API keys for Firebase</span></a></li><li class="devsite-nav-item"><a href="/docs/projects/locations" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/projects/locations" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/projects/locations" ><span class="devsite-nav-text" tooltip>Learn about locations for products & resources</span></a></li><li class="devsite-nav-item devsite-nav-beta"><a href="/docs/projects/bigquery-export" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/projects/bigquery-export" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/projects/bigquery-export" ><span class="devsite-nav-text" tooltip>Export project data to BigQuery</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/projects/manage-installations" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/projects/manage-installations" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/projects/manage-installations" ><span class="devsite-nav-text" tooltip>Manage Firebase installations</span></a></li><li class="devsite-nav-item devsite-nav-beta"><a href="/docs/projects/import-segments" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/projects/import-segments" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/projects/import-segments" ><span class="devsite-nav-text" tooltip>Import segments</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-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Manage projects programmatically</span> </div></li><li class="devsite-nav-item devsite-nav-beta"><a href="/docs/projects/api/workflow_set-up-and-manage-project" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/projects/api/workflow_set-up-and-manage-project" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/projects/api/workflow_set-up-and-manage-project" ><span class="devsite-nav-text" tooltip>Use the REST API</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/projects/terraform/get-started" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/projects/terraform/get-started" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/projects/terraform/get-started" ><span class="devsite-nav-text" tooltip>Use Terraform</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-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 the Admin SDK</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/reference/admin/node/firebase-admin.project-management" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/reference/admin/node/firebase-admin.project-management" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/reference/admin/node/firebase-admin.project-management" ><span class="devsite-nav-text" tooltip>Node.js</span></a></li><li class="devsite-nav-item"><a href="/docs/reference/admin/java/reference/com/google/firebase/projectmanagement/package-summary" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/reference/admin/java/reference/com/google/firebase/projectmanagement/package-summary" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/reference/admin/java/reference/com/google/firebase/projectmanagement/package-summary" ><span class="devsite-nav-text" tooltip>Java</span></a></li><li class="devsite-nav-item"><a href="/docs/reference/admin/python/firebase_admin.project_management" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/reference/admin/python/firebase_admin.project_management" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/reference/admin/python/firebase_admin.project_management" ><span class="devsite-nav-text" tooltip>Python</span></a></li></ul></div></li><li class="devsite-nav-item"><a href="/docs/projects/provisioning/configure-oauth" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/projects/provisioning/configure-oauth" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/projects/provisioning/configure-oauth" ><span class="devsite-nav-text" tooltip>Configure OAuth identity providers for Firebase Auth</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 project access (IAM)</span> </div></li><li class="devsite-nav-item"><a href="/docs/projects/iam/overview" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/projects/iam/overview" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/projects/iam/overview" ><span class="devsite-nav-text" tooltip>Overview</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>Roles</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/projects/iam/roles" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/projects/iam/roles" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/projects/iam/roles" ><span class="devsite-nav-text" tooltip>Overview</span></a></li><li class="devsite-nav-item"><a href="/docs/projects/iam/roles-basic" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/projects/iam/roles-basic" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/projects/iam/roles-basic" ><span class="devsite-nav-text" tooltip>Owner, Editor, Viewer roles</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>Firebase predefined roles</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/projects/iam/roles-predefined" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/projects/iam/roles-predefined" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/projects/iam/roles-predefined" ><span class="devsite-nav-text" tooltip>Overview</span></a></li><li class="devsite-nav-item"><a href="/docs/projects/iam/roles-predefined-all-products" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/projects/iam/roles-predefined-all-products" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/projects/iam/roles-predefined-all-products" ><span class="devsite-nav-text" tooltip>Firebase-level roles</span></a></li><li class="devsite-nav-item"><a href="/docs/projects/iam/roles-predefined-category" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/projects/iam/roles-predefined-category" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/projects/iam/roles-predefined-category" ><span class="devsite-nav-text" tooltip>Product-category roles</span></a></li><li class="devsite-nav-item"><a href="/docs/projects/iam/roles-predefined-product" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/projects/iam/roles-predefined-product" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/projects/iam/roles-predefined-product" ><span class="devsite-nav-text" tooltip>Product-level roles</span></a></li></ul></div></li><li class="devsite-nav-item"><a href="/docs/projects/iam/roles-custom" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/projects/iam/roles-custom" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/projects/iam/roles-custom" ><span class="devsite-nav-text" tooltip>Custom roles</span></a></li></ul></div></li><li class="devsite-nav-item"><a href="/docs/projects/iam/permissions" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/projects/iam/permissions" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/projects/iam/permissions" ><span class="devsite-nav-text" tooltip>Permissions</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>Platforms and frameworks</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/libraries" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/libraries" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/libraries" ><span class="devsite-nav-text" tooltip>Supported platforms & frameworks</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>Android</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/android/learn-more" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/android/learn-more" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/android/learn-more" ><span class="devsite-nav-text" tooltip>Understand Android + Firebase</span></a></li><li class="devsite-nav-item"><a href="/docs/android/kotlin-migration" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/android/kotlin-migration" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/android/kotlin-migration" ><span class="devsite-nav-text" tooltip>Migrate to KTX APIs in the main modules</span></a></li><li class="devsite-nav-item"><a href="/docs/android/android-play-services" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/android/android-play-services" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/android/android-play-services" ><span class="devsite-nav-text" tooltip>Dependencies of Firebase Android SDKs on Google Play services</span></a></li><li class="devsite-nav-item"><a href="/docs/android/play-data-disclosure" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/android/play-data-disclosure" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/android/play-data-disclosure" ><span class="devsite-nav-text" tooltip>Prepare for Google Play data disclosure requirements</span></a></li><li class="devsite-nav-item"><a href="/docs/android/troubleshooting-faq" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/android/troubleshooting-faq" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/android/troubleshooting-faq" ><span class="devsite-nav-text" tooltip>Troubleshooting & FAQ</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/flutter" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/flutter" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/flutter" ><span class="devsite-nav-text" tooltip>Discover Firebase for Flutter</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>Apple platforms (iOS+)</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/ios/learn-more" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ios/learn-more" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ios/learn-more" ><span class="devsite-nav-text" tooltip>Understand Apple platforms + Firebase</span></a></li><li class="devsite-nav-item"><a href="/docs/ios/installation-methods" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ios/installation-methods" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ios/installation-methods" ><span class="devsite-nav-text" tooltip>Installation options</span></a></li><li class="devsite-nav-item"><a href="/docs/ios/swift-migration" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ios/swift-migration" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ios/swift-migration" ><span class="devsite-nav-text" tooltip>Migrate to Swift extension APIs in the main modules</span></a></li><li class="devsite-nav-item"><a href="/docs/ios/link-firebase-static-dynamic" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ios/link-firebase-static-dynamic" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ios/link-firebase-static-dynamic" ><span class="devsite-nav-text" tooltip>Link Firebase dependencies statically or dynamically</span></a></li><li class="devsite-nav-item"><a href="/docs/ios/app-store-data-collection" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ios/app-store-data-collection" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ios/app-store-data-collection" ><span class="devsite-nav-text" tooltip>Prepare for Apple App Store data disclosure requirements</span></a></li><li class="devsite-nav-item"><a href="/docs/ios/supporting-ios-14" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ios/supporting-ios-14" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ios/supporting-ios-14" ><span class="devsite-nav-text" tooltip>Supporting iOS 14</span></a></li><li class="devsite-nav-item"><a href="/docs/ios/troubleshooting-faq" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/ios/troubleshooting-faq" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/ios/troubleshooting-faq" ><span class="devsite-nav-text" tooltip>Troubleshooting & FAQ</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/web/learn-more" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/web/learn-more" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/web/learn-more" ><span class="devsite-nav-text" tooltip>Understand Web + Firebase</span></a></li><li class="devsite-nav-item"><a href="/docs/web/modular-upgrade" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/web/modular-upgrade" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/web/modular-upgrade" ><span class="devsite-nav-text" tooltip>Upgrade to the modular SDK</span></a></li><li class="devsite-nav-item"><a href="/docs/web/module-bundling" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/web/module-bundling" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/web/module-bundling" ><span class="devsite-nav-text" tooltip>Using module bundlers</span></a></li><li class="devsite-nav-item"><a href="/docs/web/alt-setup" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/web/alt-setup" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/web/alt-setup" ><span class="devsite-nav-text" tooltip>Web SDK setup alternatives</span></a></li><li class="devsite-nav-item"><a href="/docs/web/pwa" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/web/pwa" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/web/pwa" ><span class="devsite-nav-text" tooltip>Use Firebase in PWAs</span></a></li><li class="devsite-nav-item"><a href="/docs/web/environments-js-sdk" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/web/environments-js-sdk" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/web/environments-js-sdk" ><span class="devsite-nav-text" tooltip>Supported environments for the Firebase JS SDK</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/unity/learn-more" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/unity/learn-more" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/unity/learn-more" ><span class="devsite-nav-text" tooltip>Understand Unity + Firebase</span></a></li><li class="devsite-nav-item"><a href="/docs/unity/setup-alternative" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/unity/setup-alternative" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/unity/setup-alternative" ><span class="devsite-nav-text" tooltip>Additional installation options</span></a></li><li class="devsite-nav-item"><a href="/docs/android/integrate-play-games" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/android/integrate-play-games" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/android/integrate-play-games" ><span class="devsite-nav-text" tooltip>Integrate with your Play Games services project</span></a></li><li class="devsite-nav-item"><a href="/docs/unity/troubleshooting-faq" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/unity/troubleshooting-faq" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/unity/troubleshooting-faq" ><span class="devsite-nav-text" tooltip>Troubleshooting & FAQ</span></a></li><li class="devsite-nav-item"><a href="/docs/unity/build-debug-guide" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/unity/build-debug-guide" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/unity/build-debug-guide" ><span class="devsite-nav-text" tooltip>Debugging the game build, install, and run process</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/cpp/learn-more" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/cpp/learn-more" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/cpp/learn-more" ><span class="devsite-nav-text" tooltip>Understand C++ + Firebase</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>Prototype and test with 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 devsite-nav-new"><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>AI assistance with Gemini in Firebase</span><span class="devsite-nav-icon material-icons" data-icon="new" data-title="New!" aria-hidden="true"></span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/docs/gemini-in-firebase" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/gemini-in-firebase" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/gemini-in-firebase" ><span class="devsite-nav-text" tooltip>Introduction</span></a></li><li class="devsite-nav-item"><a href="/docs/gemini-in-firebase/set-up-gemini" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/gemini-in-firebase/set-up-gemini" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/gemini-in-firebase/set-up-gemini" ><span class="devsite-nav-text" tooltip>Set up Gemini in Firebase</span></a></li><li class="devsite-nav-item"><a href="/docs/gemini-in-firebase/try-gemini" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/gemini-in-firebase/try-gemini" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/gemini-in-firebase/try-gemini" ><span class="devsite-nav-text" tooltip>Try Gemini in the Firebase console</span></a></li></ul></div></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 menu" hidden> <li class="devsite-nav-item"> <a href="/community/learn" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Learn" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Learn </span> </a> </li> <li class="devsite-nav-item"> <a href="/community/events" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Events" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Events </span> </a> </li> <li class="devsite-nav-item"> <a href="/community/stories" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Stories" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" 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 class="devsite-nav-item"> <a href="/docs/unity/setup" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Add Firebase - Unity" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Add Firebase - Unity </span> </a> </li> <li class="devsite-nav-item"> <a href="/docs/admin/setup" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Add Firebase - Server environments" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Add Firebase - Server environments </span> </a> </li> <li class="devsite-nav-item"> <a href="/docs/projects/learn-more" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Manage Firebase projects" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Manage Firebase projects </span> </a> </li> <li class="devsite-nav-item"> <a href="/docs/libraries" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Supported platforms & frameworks" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Supported platforms & frameworks </span> </a> </li> <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="Responsive Tab: Use Emulator Suite" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Use Emulator Suite </span> </a> </li> <li class="devsite-nav-item"> <a href="/docs/gemini-in-firebase" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: AI assistance with Gemini in Firebase" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > AI assistance with Gemini in Firebase </span> </a> </li> </ul> <ul class="devsite-nav-list" menu="Build" aria-label="Side menu" hidden> <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="Responsive Tab: Emulator Suite" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Emulator Suite </span> </a> </li> <li class="devsite-nav-item"> <a href="/docs/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="/docs/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="/docs/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="/docs/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="/docs/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="/docs/storage" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Storage" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Storage </span> </a> </li> <li class="devsite-nav-item"> <a href="/docs/rules" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Security Rules" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Security Rules </span> </a> </li> <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="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="/docs/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="/docs/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="/docs/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="/docs/vertex-ai" 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="/docs/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="/docs/ml" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: ML" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > ML </span> </a> </li> </ul> <ul class="devsite-nav-list" menu="Run" aria-label="Side menu" hidden> <li class="devsite-nav-item"> <a href="/docs/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> <li class="devsite-nav-item"> <a href="/docs/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="/docs/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="/docs/perf-mon" 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="/docs/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="/docs/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="/docs/analytics" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" 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"> <div class="devsite-banner devsite-banner-announcement nocontent" > <div class="devsite-banner-message"> <div class="devsite-banner-message-text"> <style> .devsite-banner-announcement a:link:not(.button), .devsite-banner-announcement a:visited:not(.button) { background: 0; } .devsite-banner-announcement a:hover, .devsite-banner-announcement a:focus { text-decoration: none; } .devsite-banner-announcement .devsite-banner-message-text { margin: 0 auto; } </style> Watch demos on how to build & run AI-powered apps with Firebase at Demo Day '24. <a href="https://firebase.google.com/demo-day/2024?utm_source=firesite&utm_medium=referral&utm_campaign=day_of_firesite_banner&utm_content=" target="_blank" rel="noreferrer noopener">Watch now.</a> </div> </div> </div> <div class="devsite-article-meta nocontent" role="navigation"> <ul class="devsite-breadcrumb-list" aria-label="Breadcrumb"> <li class="devsite-breadcrumb-item "> <a href="https://firebase.google.com/" class="devsite-breadcrumb-link gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Breadcrumbs" data-value="1" track-type="globalNav" track-name="breadcrumb" track-metadata-position="1" track-metadata-eventdetail="Firebase" > Firebase </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" class="devsite-breadcrumb-link gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Breadcrumbs" data-value="2" track-type="globalNav" track-name="breadcrumb" track-metadata-position="2" 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/guides" class="devsite-breadcrumb-link gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Breadcrumbs" data-value="3" track-type="globalNav" track-name="breadcrumb" track-metadata-position="3" track-metadata-eventdetail="" > Fundamentals </a> </li> </ul> </div> <devsite-feedback position="header" project-name="Firebase Documentation" 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/contact/bugs-features/" project-icon="https://firebase.google.com/_static/firebase/images/icon.svg" project-support-url="https://firebase.google.com/support/" > <button> Send feedback </button> </devsite-feedback> <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> <devsite-toc class="devsite-nav" depth="2" devsite-toc-embedded > </devsite-toc> <div class="devsite-article-body clearfix "> <section class="devsite-landing-row devsite-landing-row-1-up" header-position="top" > <div class="devsite-landing-row-inner"> <div class="devsite-landing-row-html"> <div> <h1 style="font-size: 2.0em; text-align: center;" id="learn-firebase-fundamentals" data-text="Learn Firebase fundamentals" tabindex="-1">Learn Firebase fundamentals</h1> <div style="margin-left: 40px; margin-right: 40px; text-align:center; font-size: 1.0em;"> Learn Firebase fundamentals. <strong style="color: #f57d01;">Get started</strong> with a Firebase project. <strong style="color: #f57d01;">Explore key concepts</strong> and best practices for managing your project and user privacy. <strong style="color: #f57d01;">Master additional concepts</strong> beyond the basics. </div> </div> </div> </section> <section class="devsite-landing-row devsite-landing-row-3-up devsite-landing-row-cards" background="grey" header-position="top" > <div class="devsite-landing-row-inner"> <div class="devsite-landing-row-group"> <div class="devsite-landing-row-item" description-position="bottom" > <div class="devsite-landing-row-item-media "> <figure class="devsite-landing-row-item-image"> <picture> <source class="devsite-dark-theme" srcset="https://firebase.google.com/static/docs/images/Release_Monitor_960_36.png 36w,https://firebase.google.com/static/docs/images/Release_Monitor_960_48.png 48w,https://firebase.google.com/static/docs/images/Release_Monitor_960_72.png 72w,https://firebase.google.com/static/docs/images/Release_Monitor_960_96.png 96w,https://firebase.google.com/static/docs/images/Release_Monitor_960_480.png 480w,https://firebase.google.com/static/docs/images/Release_Monitor_960_720.png 720w,https://firebase.google.com/static/docs/images/Release_Monitor_960_856.png 856w,https://firebase.google.com/static/docs/images/Release_Monitor_960_960.png 960w,https://firebase.google.com/static/docs/images/Release_Monitor_960_1440.png 1440w,https://firebase.google.com/static/docs/images/Release_Monitor_960_1920.png 1920w,https://firebase.google.com/static/docs/images/Release_Monitor_960_2880.png 2880w" media="(prefers-color-scheme: dark)" alt="" sizes="(max-width: 840px) 50vw, 464px" loading="lazy" > <img alt="" src="https://firebase.google.com/static/docs/images/Release_Monitor_960.png" srcset="https://firebase.google.com/static/docs/images/Release_Monitor_960_36.png 36w,https://firebase.google.com/static/docs/images/Release_Monitor_960_48.png 48w,https://firebase.google.com/static/docs/images/Release_Monitor_960_72.png 72w,https://firebase.google.com/static/docs/images/Release_Monitor_960_96.png 96w,https://firebase.google.com/static/docs/images/Release_Monitor_960_480.png 480w,https://firebase.google.com/static/docs/images/Release_Monitor_960_720.png 720w,https://firebase.google.com/static/docs/images/Release_Monitor_960_856.png 856w,https://firebase.google.com/static/docs/images/Release_Monitor_960_960.png 960w,https://firebase.google.com/static/docs/images/Release_Monitor_960_1440.png 1440w,https://firebase.google.com/static/docs/images/Release_Monitor_960_1920.png 1920w,https://firebase.google.com/static/docs/images/Release_Monitor_960_2880.png 2880w" sizes="(max-width: 840px) 50vw, 464px" loading="lazy" > </picture> </figure> </div> <div class="devsite-landing-row-item-description" > <div class="devsite-landing-row-item-body"> <h3 id="add-firebase-to-your-apps" data-text="Add Firebase to your apps" class="hide-from-toc no-link" tabindex="0"> Add Firebase to your apps </h3> <div class="devsite-landing-row-item-description-content"> Learn how to create a Firebase project, register apps to it, and integrate the Firebase SDKs for your products and platform: <a href="/docs/ios/setup">iOS</>, <a href="/docs/android/setup">Android</a> and <a href="/docs/web/setup">Web</a> </div> </div> </div> </div> <div class="devsite-landing-row-item" description-position="bottom" > <div class="devsite-landing-row-item-media "> <figure class="devsite-landing-row-item-image"> <picture> <source class="devsite-dark-theme" srcset="https://firebase.google.com/static/docs/images/hero_team_36.png 36w,https://firebase.google.com/static/docs/images/hero_team_48.png 48w,https://firebase.google.com/static/docs/images/hero_team_72.png 72w,https://firebase.google.com/static/docs/images/hero_team_96.png 96w,https://firebase.google.com/static/docs/images/hero_team_480.png 480w,https://firebase.google.com/static/docs/images/hero_team_720.png 720w,https://firebase.google.com/static/docs/images/hero_team_856.png 856w,https://firebase.google.com/static/docs/images/hero_team_960.png 960w,https://firebase.google.com/static/docs/images/hero_team_1440.png 1440w,https://firebase.google.com/static/docs/images/hero_team_1920.png 1920w,https://firebase.google.com/static/docs/images/hero_team_2880.png 2880w" media="(prefers-color-scheme: dark)" alt="" sizes="(max-width: 840px) 50vw, 464px" loading="lazy" > <img alt="" src="https://firebase.google.com/static/docs/images/hero_team.png" srcset="https://firebase.google.com/static/docs/images/hero_team_36.png 36w,https://firebase.google.com/static/docs/images/hero_team_48.png 48w,https://firebase.google.com/static/docs/images/hero_team_72.png 72w,https://firebase.google.com/static/docs/images/hero_team_96.png 96w,https://firebase.google.com/static/docs/images/hero_team_480.png 480w,https://firebase.google.com/static/docs/images/hero_team_720.png 720w,https://firebase.google.com/static/docs/images/hero_team_856.png 856w,https://firebase.google.com/static/docs/images/hero_team_960.png 960w,https://firebase.google.com/static/docs/images/hero_team_1440.png 1440w,https://firebase.google.com/static/docs/images/hero_team_1920.png 1920w,https://firebase.google.com/static/docs/images/hero_team_2880.png 2880w" sizes="(max-width: 840px) 50vw, 464px" loading="lazy" > </picture> </figure> </div> <div class="devsite-landing-row-item-description" > <div class="devsite-landing-row-item-body"> <h3 id="manage-firebase-projects" data-text="Manage Firebase projects" class="hide-from-toc no-link" tabindex="0"> Manage Firebase projects </h3> <div class="devsite-landing-row-item-description-content"> Learn about Firebase projects, including concept overviews, deep-dives into topics like project permissions and project management tools, or preparing to launch your app. Start by <a href="/docs/projects/learn-more">understanding Firebase projects</a> and <a href="/support/guides/launch-checklist">reviewing the launch checklist</a>. </div> </div> </div> </div> <div class="devsite-landing-row-item" description-position="bottom" > <div class="devsite-landing-row-item-media "> <figure class="devsite-landing-row-item-image"> <picture> <source class="devsite-dark-theme" srcset="https://firebase.google.com/static/docs/images/Engage_960_36.png 36w,https://firebase.google.com/static/docs/images/Engage_960_48.png 48w,https://firebase.google.com/static/docs/images/Engage_960_72.png 72w,https://firebase.google.com/static/docs/images/Engage_960_96.png 96w,https://firebase.google.com/static/docs/images/Engage_960_480.png 480w,https://firebase.google.com/static/docs/images/Engage_960_720.png 720w,https://firebase.google.com/static/docs/images/Engage_960_856.png 856w,https://firebase.google.com/static/docs/images/Engage_960_960.png 960w,https://firebase.google.com/static/docs/images/Engage_960_1440.png 1440w,https://firebase.google.com/static/docs/images/Engage_960_1920.png 1920w,https://firebase.google.com/static/docs/images/Engage_960_2880.png 2880w" media="(prefers-color-scheme: dark)" alt="" sizes="(max-width: 840px) 50vw, 464px" loading="lazy" > <img alt="" src="https://firebase.google.com/static/docs/images/Engage_960.png" srcset="https://firebase.google.com/static/docs/images/Engage_960_36.png 36w,https://firebase.google.com/static/docs/images/Engage_960_48.png 48w,https://firebase.google.com/static/docs/images/Engage_960_72.png 72w,https://firebase.google.com/static/docs/images/Engage_960_96.png 96w,https://firebase.google.com/static/docs/images/Engage_960_480.png 480w,https://firebase.google.com/static/docs/images/Engage_960_720.png 720w,https://firebase.google.com/static/docs/images/Engage_960_856.png 856w,https://firebase.google.com/static/docs/images/Engage_960_960.png 960w,https://firebase.google.com/static/docs/images/Engage_960_1440.png 1440w,https://firebase.google.com/static/docs/images/Engage_960_1920.png 1920w,https://firebase.google.com/static/docs/images/Engage_960_2880.png 2880w" sizes="(max-width: 840px) 50vw, 464px" loading="lazy" > </picture> </figure> </div> <div class="devsite-landing-row-item-description" > <div class="devsite-landing-row-item-body"> <h3 id="protect-user-privacy" data-text="Protect user privacy" class="hide-from-toc no-link" tabindex="0"> Protect user privacy </h3> <div class="devsite-landing-row-item-description-content"> Protect user privacy. Learn about privacy best practices. Understand how Firebase can help protect you and your users. Read <a href="/support/privacy">Privacy and Security in Firebase</a>. </div> </div> </div> </div> </div> </div> </section> <section class="devsite-landing-row devsite-landing-row-3-up devsite-landing-row-logos devsite-landing-row-no-image-background" header-position="top" > <div class="devsite-landing-row-inner"> <header class="devsite-landing-row-header" > <div class="devsite-landing-row-header-text"> <h2 id="jump-into-firebase-on-your-platform" data-text="Jump into Firebase on your platform" tabindex="0"> Jump into Firebase on your platform </h2> <div class="devsite-landing-row-description"> Start developing on your platform now, following hands-on Codelabs and the platform SDK reference documentation. </div> </div> </header> <div class="devsite-landing-row-group"> <div class="devsite-landing-row-item" description-position="bottom" > <div class="devsite-landing-row-item-media "> <figure class="devsite-landing-row-item-custom-image" > <div class="devsite-landing-row-item-custom-image-icon-wrapper"> <a href="https://firebase.google.com/docs/ios/setup"> <div class="devsite-landing-row-item-custom-image-icon-container" size="medium" > <picture> <source class="devsite-landing-row-item-custom-image-icon devsite-dark-theme" alt="" media="(prefers-color-scheme: dark)" srcset="https://firebase.google.com/static/docs/images/ios_gs_dark_36.png 36w,https://firebase.google.com/static/docs/images/ios_gs_dark_48.png 48w,https://firebase.google.com/static/docs/images/ios_gs_dark_72.png 72w,https://firebase.google.com/static/docs/images/ios_gs_dark_96.png 96w,https://firebase.google.com/static/docs/images/ios_gs_dark_480.png 480w,https://firebase.google.com/static/docs/images/ios_gs_dark_720.png 720w,https://firebase.google.com/static/docs/images/ios_gs_dark_856.png 856w,https://firebase.google.com/static/docs/images/ios_gs_dark_960.png 960w,https://firebase.google.com/static/docs/images/ios_gs_dark_1440.png 1440w,https://firebase.google.com/static/docs/images/ios_gs_dark_1920.png 1920w,https://firebase.google.com/static/docs/images/ios_gs_dark_2880.png 2880w" sizes="192px" loading="lazy" > <img class="devsite-landing-row-item-custom-image-icon" alt="" src="https://firebase.google.com/static/docs/images/ios_gs.png" srcset="https://firebase.google.com/static/docs/images/ios_gs_36.png 36w,https://firebase.google.com/static/docs/images/ios_gs_48.png 48w,https://firebase.google.com/static/docs/images/ios_gs_72.png 72w,https://firebase.google.com/static/docs/images/ios_gs_96.png 96w,https://firebase.google.com/static/docs/images/ios_gs_480.png 480w,https://firebase.google.com/static/docs/images/ios_gs_720.png 720w,https://firebase.google.com/static/docs/images/ios_gs_856.png 856w,https://firebase.google.com/static/docs/images/ios_gs_960.png 960w,https://firebase.google.com/static/docs/images/ios_gs_1440.png 1440w,https://firebase.google.com/static/docs/images/ios_gs_1920.png 1920w,https://firebase.google.com/static/docs/images/ios_gs_2880.png 2880w" sizes="192px" loading="lazy" > </picture> </div> </a> </div> </figure> </div> <div class="devsite-landing-row-item-description" > <div class="devsite-landing-row-item-body"> <div class="devsite-landing-row-item-description-content"> <p>iOS</p> <a href="//firebase.google.com/codelabs/firebase-ios-swift">Codelabs</a> <span> | </span> <br/> <a href="/docs/reference/ios">API reference</a> </div> </div> </div> </div> <div class="devsite-landing-row-item" description-position="bottom" > <div class="devsite-landing-row-item-media "> <figure class="devsite-landing-row-item-custom-image" > <div class="devsite-landing-row-item-custom-image-icon-wrapper"> <a href="https://firebase.google.com/docs/android/setup"> <div class="devsite-landing-row-item-custom-image-icon-container" size="medium" > <picture> <source class="devsite-landing-row-item-custom-image-icon devsite-dark-theme" alt="" media="(prefers-color-scheme: dark)" srcset="https://firebase.google.com/static/docs/images/android_gs_dark_36.png 36w,https://firebase.google.com/static/docs/images/android_gs_dark_48.png 48w,https://firebase.google.com/static/docs/images/android_gs_dark_72.png 72w,https://firebase.google.com/static/docs/images/android_gs_dark_96.png 96w,https://firebase.google.com/static/docs/images/android_gs_dark_480.png 480w,https://firebase.google.com/static/docs/images/android_gs_dark_720.png 720w,https://firebase.google.com/static/docs/images/android_gs_dark_856.png 856w,https://firebase.google.com/static/docs/images/android_gs_dark_960.png 960w,https://firebase.google.com/static/docs/images/android_gs_dark_1440.png 1440w,https://firebase.google.com/static/docs/images/android_gs_dark_1920.png 1920w,https://firebase.google.com/static/docs/images/android_gs_dark_2880.png 2880w" sizes="192px" loading="lazy" > <img class="devsite-landing-row-item-custom-image-icon" alt="" src="https://firebase.google.com/static/docs/images/android_gs.png" srcset="https://firebase.google.com/static/docs/images/android_gs_36.png 36w,https://firebase.google.com/static/docs/images/android_gs_48.png 48w,https://firebase.google.com/static/docs/images/android_gs_72.png 72w,https://firebase.google.com/static/docs/images/android_gs_96.png 96w,https://firebase.google.com/static/docs/images/android_gs_480.png 480w,https://firebase.google.com/static/docs/images/android_gs_720.png 720w,https://firebase.google.com/static/docs/images/android_gs_856.png 856w,https://firebase.google.com/static/docs/images/android_gs_960.png 960w,https://firebase.google.com/static/docs/images/android_gs_1440.png 1440w,https://firebase.google.com/static/docs/images/android_gs_1920.png 1920w,https://firebase.google.com/static/docs/images/android_gs_2880.png 2880w" sizes="192px" loading="lazy" > </picture> </div> </a> </div> </figure> </div> <div class="devsite-landing-row-item-description" > <div class="devsite-landing-row-item-body"> <div class="devsite-landing-row-item-description-content"> <p>Android</p> <a href="//firebase.google.com/codelabs/firebase-android">Codelabs</a> <span> | </span> <br/> <a href="/docs/reference/android/packages">API reference</a> </div> </div> </div> </div> <div class="devsite-landing-row-item" description-position="bottom" > <div class="devsite-landing-row-item-media "> <figure class="devsite-landing-row-item-custom-image" > <div class="devsite-landing-row-item-custom-image-icon-wrapper"> <a href="https://firebase.google.com/docs/web/setup"> <div class="devsite-landing-row-item-custom-image-icon-container" size="medium" > <picture> <source class="devsite-landing-row-item-custom-image-icon devsite-dark-theme" alt="" media="(prefers-color-scheme: dark)" srcset="https://firebase.google.com/static/docs/images/web_gs_dark_36.png 36w,https://firebase.google.com/static/docs/images/web_gs_dark_48.png 48w,https://firebase.google.com/static/docs/images/web_gs_dark_72.png 72w,https://firebase.google.com/static/docs/images/web_gs_dark_96.png 96w,https://firebase.google.com/static/docs/images/web_gs_dark_480.png 480w,https://firebase.google.com/static/docs/images/web_gs_dark_720.png 720w,https://firebase.google.com/static/docs/images/web_gs_dark_856.png 856w,https://firebase.google.com/static/docs/images/web_gs_dark_960.png 960w,https://firebase.google.com/static/docs/images/web_gs_dark_1440.png 1440w,https://firebase.google.com/static/docs/images/web_gs_dark_1920.png 1920w,https://firebase.google.com/static/docs/images/web_gs_dark_2880.png 2880w" sizes="192px" loading="lazy" > <img class="devsite-landing-row-item-custom-image-icon" alt="" src="https://firebase.google.com/static/docs/images/web_gs.png" srcset="https://firebase.google.com/static/docs/images/web_gs_36.png 36w,https://firebase.google.com/static/docs/images/web_gs_48.png 48w,https://firebase.google.com/static/docs/images/web_gs_72.png 72w,https://firebase.google.com/static/docs/images/web_gs_96.png 96w,https://firebase.google.com/static/docs/images/web_gs_480.png 480w,https://firebase.google.com/static/docs/images/web_gs_720.png 720w,https://firebase.google.com/static/docs/images/web_gs_856.png 856w,https://firebase.google.com/static/docs/images/web_gs_960.png 960w,https://firebase.google.com/static/docs/images/web_gs_1440.png 1440w,https://firebase.google.com/static/docs/images/web_gs_1920.png 1920w,https://firebase.google.com/static/docs/images/web_gs_2880.png 2880w" sizes="192px" loading="lazy" > </picture> </div> </a> </div> </figure> </div> <div class="devsite-landing-row-item-description" > <div class="devsite-landing-row-item-body"> <div class="devsite-landing-row-item-description-content"> <p>Web</p> <a href="//firebase.google.com/codelabs/firebase-web">Codelabs</a> <span> | </span> <br/> <a href="/docs/reference/js">API reference</a> </div> </div> </div> </div> <div class="devsite-landing-row-item" description-position="bottom" > <div class="devsite-landing-row-item-media "> <figure class="devsite-landing-row-item-custom-image" > <div class="devsite-landing-row-item-custom-image-icon-wrapper"> <a href="https://firebase.google.com/docs/cpp/setup"> <div class="devsite-landing-row-item-custom-image-icon-container" size="medium" > <picture> <source class="devsite-landing-row-item-custom-image-icon devsite-dark-theme" alt="" media="(prefers-color-scheme: dark)" srcset="https://firebase.google.com/static/docs/images/cpp_gs_dark_36.png 36w,https://firebase.google.com/static/docs/images/cpp_gs_dark_48.png 48w,https://firebase.google.com/static/docs/images/cpp_gs_dark_72.png 72w,https://firebase.google.com/static/docs/images/cpp_gs_dark_96.png 96w,https://firebase.google.com/static/docs/images/cpp_gs_dark_480.png 480w,https://firebase.google.com/static/docs/images/cpp_gs_dark_720.png 720w,https://firebase.google.com/static/docs/images/cpp_gs_dark_856.png 856w,https://firebase.google.com/static/docs/images/cpp_gs_dark_960.png 960w,https://firebase.google.com/static/docs/images/cpp_gs_dark_1440.png 1440w,https://firebase.google.com/static/docs/images/cpp_gs_dark_1920.png 1920w,https://firebase.google.com/static/docs/images/cpp_gs_dark_2880.png 2880w" sizes="192px" loading="lazy" > <img class="devsite-landing-row-item-custom-image-icon" alt="" src="https://firebase.google.com/static/docs/images/cpp_gs.png" srcset="https://firebase.google.com/static/docs/images/cpp_gs_36.png 36w,https://firebase.google.com/static/docs/images/cpp_gs_48.png 48w,https://firebase.google.com/static/docs/images/cpp_gs_72.png 72w,https://firebase.google.com/static/docs/images/cpp_gs_96.png 96w,https://firebase.google.com/static/docs/images/cpp_gs_480.png 480w,https://firebase.google.com/static/docs/images/cpp_gs_720.png 720w,https://firebase.google.com/static/docs/images/cpp_gs_856.png 856w,https://firebase.google.com/static/docs/images/cpp_gs_960.png 960w,https://firebase.google.com/static/docs/images/cpp_gs_1440.png 1440w,https://firebase.google.com/static/docs/images/cpp_gs_1920.png 1920w,https://firebase.google.com/static/docs/images/cpp_gs_2880.png 2880w" sizes="192px" loading="lazy" > </picture> </div> </a> </div> </figure> </div> <div class="devsite-landing-row-item-description" > <div class="devsite-landing-row-item-body"> <div class="devsite-landing-row-item-description-content"> <p>C++</p> <a href="/docs/reference/cpp">API reference</a> </div> </div> </div> </div> <div class="devsite-landing-row-item" description-position="bottom" > <div class="devsite-landing-row-item-media "> <figure class="devsite-landing-row-item-custom-image" > <div class="devsite-landing-row-item-custom-image-icon-wrapper"> <a href="https://firebase.google.com/docs/unity/setup"> <div class="devsite-landing-row-item-custom-image-icon-container" size="medium" > <picture> <source class="devsite-landing-row-item-custom-image-icon devsite-dark-theme" alt="" media="(prefers-color-scheme: dark)" srcset="https://firebase.google.com/static/docs/images/unity_gs_dark_36.png 36w,https://firebase.google.com/static/docs/images/unity_gs_dark_48.png 48w,https://firebase.google.com/static/docs/images/unity_gs_dark_72.png 72w,https://firebase.google.com/static/docs/images/unity_gs_dark_96.png 96w,https://firebase.google.com/static/docs/images/unity_gs_dark_480.png 480w,https://firebase.google.com/static/docs/images/unity_gs_dark_720.png 720w,https://firebase.google.com/static/docs/images/unity_gs_dark_856.png 856w,https://firebase.google.com/static/docs/images/unity_gs_dark_960.png 960w,https://firebase.google.com/static/docs/images/unity_gs_dark_1440.png 1440w,https://firebase.google.com/static/docs/images/unity_gs_dark_1920.png 1920w,https://firebase.google.com/static/docs/images/unity_gs_dark_2880.png 2880w" sizes="192px" loading="lazy" > <img class="devsite-landing-row-item-custom-image-icon" alt="" src="https://firebase.google.com/static/docs/images/unity_gs.png" srcset="https://firebase.google.com/static/docs/images/unity_gs_36.png 36w,https://firebase.google.com/static/docs/images/unity_gs_48.png 48w,https://firebase.google.com/static/docs/images/unity_gs_72.png 72w,https://firebase.google.com/static/docs/images/unity_gs_96.png 96w,https://firebase.google.com/static/docs/images/unity_gs_480.png 480w,https://firebase.google.com/static/docs/images/unity_gs_720.png 720w,https://firebase.google.com/static/docs/images/unity_gs_856.png 856w,https://firebase.google.com/static/docs/images/unity_gs_960.png 960w,https://firebase.google.com/static/docs/images/unity_gs_1440.png 1440w,https://firebase.google.com/static/docs/images/unity_gs_1920.png 1920w,https://firebase.google.com/static/docs/images/unity_gs_2880.png 2880w" sizes="192px" loading="lazy" > </picture> </div> </a> </div> </figure> </div> <div class="devsite-landing-row-item-description" > <div class="devsite-landing-row-item-body"> <div class="devsite-landing-row-item-description-content"> <p>Unity</p> <a href="/docs/reference/unity">API reference</a> </div> </div> </div> </div> <div class="devsite-landing-row-item" description-position="bottom" > <div class="devsite-landing-row-item-media "> <figure class="devsite-landing-row-item-custom-image" > <div class="devsite-landing-row-item-custom-image-icon-wrapper"> <a href="https://firebase.google.com/docs/admin/setup"> <div class="devsite-landing-row-item-custom-image-icon-container" size="medium" > <picture> <source class="devsite-landing-row-item-custom-image-icon devsite-dark-theme" alt="" media="(prefers-color-scheme: dark)" srcset="https://firebase.google.com/static/docs/images/admin_gs_dark_36.png 36w,https://firebase.google.com/static/docs/images/admin_gs_dark_48.png 48w,https://firebase.google.com/static/docs/images/admin_gs_dark_72.png 72w,https://firebase.google.com/static/docs/images/admin_gs_dark_96.png 96w,https://firebase.google.com/static/docs/images/admin_gs_dark_480.png 480w,https://firebase.google.com/static/docs/images/admin_gs_dark_720.png 720w,https://firebase.google.com/static/docs/images/admin_gs_dark_856.png 856w,https://firebase.google.com/static/docs/images/admin_gs_dark_960.png 960w,https://firebase.google.com/static/docs/images/admin_gs_dark_1440.png 1440w,https://firebase.google.com/static/docs/images/admin_gs_dark_1920.png 1920w,https://firebase.google.com/static/docs/images/admin_gs_dark_2880.png 2880w" sizes="192px" loading="lazy" > <img class="devsite-landing-row-item-custom-image-icon" alt="" src="https://firebase.google.com/static/docs/images/admin_gs.png" srcset="https://firebase.google.com/static/docs/images/admin_gs_36.png 36w,https://firebase.google.com/static/docs/images/admin_gs_48.png 48w,https://firebase.google.com/static/docs/images/admin_gs_72.png 72w,https://firebase.google.com/static/docs/images/admin_gs_96.png 96w,https://firebase.google.com/static/docs/images/admin_gs_480.png 480w,https://firebase.google.com/static/docs/images/admin_gs_720.png 720w,https://firebase.google.com/static/docs/images/admin_gs_856.png 856w,https://firebase.google.com/static/docs/images/admin_gs_960.png 960w,https://firebase.google.com/static/docs/images/admin_gs_1440.png 1440w,https://firebase.google.com/static/docs/images/admin_gs_1920.png 1920w,https://firebase.google.com/static/docs/images/admin_gs_2880.png 2880w" sizes="192px" loading="lazy" > </picture> </div> </a> </div> </figure> </div> <div class="devsite-landing-row-item-description" > <div class="devsite-landing-row-item-body"> <div class="devsite-landing-row-item-description-content"> <p>Admin SDK</p> <a href="/docs/reference/admin">API reference</a> </div> </div> </div> </div> </div> </div> </section> <section class="devsite-landing-row devsite-landing-row-2-up devsite-landing-row-cards" background="grey" header-position="top" > <div class="devsite-landing-row-inner"> <header class="devsite-landing-row-header" > <div class="devsite-landing-row-header-text"> <h2 id="learn-firebase-concepts" data-text="Learn Firebase concepts" tabindex="0"> Learn Firebase concepts </h2> </div> </header> <div class="devsite-landing-row-group"> <div class="devsite-landing-row-item" description-position="bottom" > <div class="devsite-landing-row-item-media "> <figure class="devsite-landing-row-item-image"> <picture> <source class="devsite-dark-theme" srcset="https://firebase.google.com/static/docs/images/Release_Monitor_960_36.png 36w,https://firebase.google.com/static/docs/images/Release_Monitor_960_48.png 48w,https://firebase.google.com/static/docs/images/Release_Monitor_960_72.png 72w,https://firebase.google.com/static/docs/images/Release_Monitor_960_96.png 96w,https://firebase.google.com/static/docs/images/Release_Monitor_960_480.png 480w,https://firebase.google.com/static/docs/images/Release_Monitor_960_720.png 720w,https://firebase.google.com/static/docs/images/Release_Monitor_960_856.png 856w,https://firebase.google.com/static/docs/images/Release_Monitor_960_960.png 960w,https://firebase.google.com/static/docs/images/Release_Monitor_960_1440.png 1440w,https://firebase.google.com/static/docs/images/Release_Monitor_960_1920.png 1920w,https://firebase.google.com/static/docs/images/Release_Monitor_960_2880.png 2880w" media="(prefers-color-scheme: dark)" alt="" sizes="(max-width: 600px) 100vw, (max-width: 840px) 50vw, 708px" loading="lazy" > <img alt="" src="https://firebase.google.com/static/docs/images/Release_Monitor_960.png" srcset="https://firebase.google.com/static/docs/images/Release_Monitor_960_36.png 36w,https://firebase.google.com/static/docs/images/Release_Monitor_960_48.png 48w,https://firebase.google.com/static/docs/images/Release_Monitor_960_72.png 72w,https://firebase.google.com/static/docs/images/Release_Monitor_960_96.png 96w,https://firebase.google.com/static/docs/images/Release_Monitor_960_480.png 480w,https://firebase.google.com/static/docs/images/Release_Monitor_960_720.png 720w,https://firebase.google.com/static/docs/images/Release_Monitor_960_856.png 856w,https://firebase.google.com/static/docs/images/Release_Monitor_960_960.png 960w,https://firebase.google.com/static/docs/images/Release_Monitor_960_1440.png 1440w,https://firebase.google.com/static/docs/images/Release_Monitor_960_1920.png 1920w,https://firebase.google.com/static/docs/images/Release_Monitor_960_2880.png 2880w" sizes="(max-width: 600px) 100vw, (max-width: 840px) 50vw, 708px" loading="lazy" > </picture> </figure> </div> <div class="devsite-landing-row-item-description" > <div class="devsite-landing-row-item-body"> <h3 id="key-concepts" data-text="Key concepts" class="hide-from-toc no-link" tabindex="0"> Key concepts </h3> <div class="devsite-landing-row-item-description-content"> Learn about key concepts applicable to any app or project, like app security and launch checklists: <br/> <a href="/docs/projects/learn-more">Understand Firebase projects</a> <br/> <a href="/support/guides/security-checklist">Review security checklist</a> <br/> <a href="/support/guides/launch-checklist">Review launch checklist</a> </div> </div> </div> </div> <div class="devsite-landing-row-item" description-position="bottom" > <div class="devsite-landing-row-item-media "> <figure class="devsite-landing-row-item-image"> <picture> <source class="devsite-dark-theme" srcset="https://firebase.google.com/static/docs/images/Engage_960_36.png 36w,https://firebase.google.com/static/docs/images/Engage_960_48.png 48w,https://firebase.google.com/static/docs/images/Engage_960_72.png 72w,https://firebase.google.com/static/docs/images/Engage_960_96.png 96w,https://firebase.google.com/static/docs/images/Engage_960_480.png 480w,https://firebase.google.com/static/docs/images/Engage_960_720.png 720w,https://firebase.google.com/static/docs/images/Engage_960_856.png 856w,https://firebase.google.com/static/docs/images/Engage_960_960.png 960w,https://firebase.google.com/static/docs/images/Engage_960_1440.png 1440w,https://firebase.google.com/static/docs/images/Engage_960_1920.png 1920w,https://firebase.google.com/static/docs/images/Engage_960_2880.png 2880w" media="(prefers-color-scheme: dark)" alt="" sizes="(max-width: 600px) 100vw, (max-width: 840px) 50vw, 708px" loading="lazy" > <img alt="" src="https://firebase.google.com/static/docs/images/Engage_960.png" srcset="https://firebase.google.com/static/docs/images/Engage_960_36.png 36w,https://firebase.google.com/static/docs/images/Engage_960_48.png 48w,https://firebase.google.com/static/docs/images/Engage_960_72.png 72w,https://firebase.google.com/static/docs/images/Engage_960_96.png 96w,https://firebase.google.com/static/docs/images/Engage_960_480.png 480w,https://firebase.google.com/static/docs/images/Engage_960_720.png 720w,https://firebase.google.com/static/docs/images/Engage_960_856.png 856w,https://firebase.google.com/static/docs/images/Engage_960_960.png 960w,https://firebase.google.com/static/docs/images/Engage_960_1440.png 1440w,https://firebase.google.com/static/docs/images/Engage_960_1920.png 1920w,https://firebase.google.com/static/docs/images/Engage_960_2880.png 2880w" sizes="(max-width: 600px) 100vw, (max-width: 840px) 50vw, 708px" loading="lazy" > </picture> </figure> </div> <div class="devsite-landing-row-item-description" > <div class="devsite-landing-row-item-body"> <h3 id="advanced-concepts" data-text="Advanced concepts" class="hide-from-toc no-link" tabindex="0"> Advanced concepts </h3> <div class="devsite-landing-row-item-description-content"> Learn about more advanced topics that might arise in specific situations, like managing app installations or importing/exporting data: <br/> <a href="/docs/projects/manage-installations">Manage Firebase installations</a> <br/> <a href="/docs/projects/import-segments">Import segments</a> <br/> <a href="/docs/projects/bigquery-export">Export data to BigQuery</a> </div> </div> </div> </div> </div> </div> </section> <devsite-hats-survey class="nocontent" hats-id="Eo9GZTcG10ncf3CThQj0SEgFWynR" listnr-id="5244646"></devsite-hats-survey> </div> <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>. For details, see the <a href="https://developers.google.com/site-policies">Google Developers Site Policies</a>. Java is a registered trademark of Oracle and/or its affiliates.</p> <p>Last updated 2023-11-08 UTC.</p> </devsite-content-footer> <devsite-notification > </devsite-notification> <div class="devsite-content-data"> <template class="devsite-thumb-rating-feedback"> <devsite-feedback position="thumb-rating" project-name="Firebase Documentation" 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="thumb-rating" class="nocontent" project-feedback-url="https://firebase.google.com/support/contact/bugs-features/" project-icon="https://firebase.google.com/_static/firebase/images/icon.svg" project-support-url="https://firebase.google.com/support/" > <button> Need to tell us more? </button> </devsite-feedback> </template> <template class="devsite-content-data-template"> [[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2023-11-08 UTC."],[],[]] </template> </div> </devsite-content> </main> <devsite-footer-promos class="devsite-footer"> </devsite-footer-promos> <devsite-footer-linkboxes class="devsite-footer"> <nav class="devsite-footer-linkboxes nocontent" aria-label="Footer links"> <ul class="devsite-footer-linkboxes-list"> <li class="devsite-footer-linkbox "> <h3 class="devsite-footer-linkbox-heading no-link">Learn</h3> <ul class="devsite-footer-linkbox-list"> <li class="devsite-footer-linkbox-item"> <a href="/docs/" class="devsite-footer-linkbox-link gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Footer Link (index 1)" > Developer guides </a> </li> <li class="devsite-footer-linkbox-item"> <a href="/docs/reference/" class="devsite-footer-linkbox-link gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Footer Link (index 2)" > SDK & API reference </a> </li> <li class="devsite-footer-linkbox-item"> <a href="/docs/samples/" class="devsite-footer-linkbox-link gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Footer Link (index 3)" > Samples </a> </li> <li class="devsite-footer-linkbox-item"> <a href="/docs/libraries/" class="devsite-footer-linkbox-link gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Footer Link (index 4)" > Libraries </a> </li> <li class="devsite-footer-linkbox-item"> <a href="//github.com/firebase/" class="devsite-footer-linkbox-link gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Footer Link (index 5)" > GitHub </a> </li> </ul> </li> <li class="devsite-footer-linkbox "> <h3 class="devsite-footer-linkbox-heading no-link">Stay connected</h3> <ul class="devsite-footer-linkbox-list"> <li class="devsite-footer-linkbox-item"> <a href="//firebase.blog" class="devsite-footer-linkbox-link gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Footer Link (index 1)" > Check out the blog </a> </li> <li class="devsite-footer-linkbox-item"> <a href="//www.reddit.com/r/Firebase" class="devsite-footer-linkbox-link gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Footer Link (index 2)" > Find us on Reddit </a> </li> <li class="devsite-footer-linkbox-item"> <a href="//x.com/Firebase" class="devsite-footer-linkbox-link gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Footer Link (index 3)" > Follow on X </a> </li> <li class="devsite-footer-linkbox-item"> <a href="//www.youtube.com/user/Firebase" class="devsite-footer-linkbox-link gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Footer Link (index 4)" > Subscribe on YouTube </a> </li> <li class="devsite-footer-linkbox-item"> <a href="/community/events" class="devsite-footer-linkbox-link gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Footer Link (index 5)" > Attend an event </a> </li> </ul> </li> <li class="devsite-footer-linkbox "> <h3 class="devsite-footer-linkbox-heading no-link">Support</h3> <ul class="devsite-footer-linkbox-list"> <li class="devsite-footer-linkbox-item"> <a href="/support/" class="devsite-footer-linkbox-link gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Footer Link (index 1)" > Contact support </a> </li> <li class="devsite-footer-linkbox-item"> <a href="//stackoverflow.com/questions/tagged/firebase" class="devsite-footer-linkbox-link gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Footer Link (index 2)" > Stack Overflow </a> </li> <li class="devsite-footer-linkbox-item"> <a href="//firebase.community/" class="devsite-footer-linkbox-link gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Footer Link (index 3)" > Slack community </a> </li> <li class="devsite-footer-linkbox-item"> <a href="//groups.google.com/forum/#!forum/firebase-talk" class="devsite-footer-linkbox-link gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Footer Link (index 4)" > Google group </a> </li> <li class="devsite-footer-linkbox-item"> <a href="/support/releases" class="devsite-footer-linkbox-link gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Footer Link (index 5)" > Release notes </a> </li> <li class="devsite-footer-linkbox-item"> <a href="/brand-guidelines/" class="devsite-footer-linkbox-link gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Footer Link (index 6)" > Brand guidelines </a> </li> <li class="devsite-footer-linkbox-item"> <a href="/support/faq/" class="devsite-footer-linkbox-link gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Footer Link (index 7)" > FAQs </a> </li> </ul> </li> </ul> </nav> </devsite-footer-linkboxes> <devsite-footer-utility class="devsite-footer"> <div class="devsite-footer-utility nocontent"> <nav class="devsite-footer-sites" aria-label="Other Google Developers websites"> <a href="https://developers.google.com/" class="devsite-footer-sites-logo-link gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Footer Google Developers Link"> <picture> <source srcset="https://www.gstatic.com/devrel-devsite/prod/v870e399c64f7c43c99a3043db4b3a74327bb93d0914e84a0c3dba90bbfd67625/firebase/images/lockup-google-for-developers-dark-theme.svg" media="(prefers-color-scheme: none)" class="devsite-dark-theme" loading="lazy" alt="Google Developers"> <img class="devsite-footer-sites-logo" src="https://www.gstatic.com/devrel-devsite/prod/v870e399c64f7c43c99a3043db4b3a74327bb93d0914e84a0c3dba90bbfd67625/firebase/images/lockup-google-for-developers.svg" loading="lazy" alt="Google Developers"> </picture> </a> <ul class="devsite-footer-sites-list"> <li class="devsite-footer-sites-item"> <a href="//developer.android.com" class="devsite-footer-sites-link gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Footer Android Link" > Android </a> </li> <li class="devsite-footer-sites-item"> <a href="//developer.chrome.com/home" class="devsite-footer-sites-link gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Footer Chrome Link" > Chrome </a> </li> <li class="devsite-footer-sites-item"> <a href="//firebase.google.com" class="devsite-footer-sites-link gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Footer Firebase Link" > Firebase </a> </li> <li class="devsite-footer-sites-item"> <a href="//cloud.google.com" class="devsite-footer-sites-link gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Footer Google Cloud Platform Link" > Google Cloud Platform </a> </li> <li class="devsite-footer-sites-item"> <a href="//developers.google.com/products/" class="devsite-footer-sites-link gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Footer All products Link" > All products </a> </li> </ul> </nav> <nav class="devsite-footer-utility-links" aria-label="Utility links"> <ul class="devsite-footer-utility-list"> <li class="devsite-footer-utility-item "> <a class="devsite-footer-utility-link gc-analytics-event" href="/terms/" data-category="Site-Wide Custom Events" data-label="Footer Terms link" > Terms </a> </li> <li class="devsite-footer-utility-item "> <a class="devsite-footer-utility-link gc-analytics-event" href="//policies.google.com/privacy" data-category="Site-Wide Custom Events" data-label="Footer Privacy link" > Privacy </a> </li> <li class="devsite-footer-utility-item glue-cookie-notification-bar-control"> <a class="devsite-footer-utility-link gc-analytics-event" href="#" data-category="Site-Wide Custom Events" data-label="Footer Manage cookies link" aria-hidden="true" > Manage cookies </a> </li> </ul> <devsite-language-selector> <ul role="presentation"> <li role="presentation"> <a role="menuitem" lang="en" >English</a> </li> <li role="presentation"> <a role="menuitem" lang="es_419" >Español – América Latina</a> </li> <li role="presentation"> <a role="menuitem" lang="id" >Indonesia</a> </li> <li role="presentation"> <a role="menuitem" lang="pl" >Polski</a> </li> <li role="presentation"> <a role="menuitem" lang="pt" >Português</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> </nav> </div> </devsite-footer-utility> <devsite-panel></devsite-panel> <devsite-concierge data-info-panel data-ai-panel > </devsite-concierge> </section></section> <devsite-sitemask></devsite-sitemask> <devsite-snackbar></devsite-snackbar> <devsite-tooltip ></devsite-tooltip> <devsite-heading-link></devsite-heading-link> <devsite-analytics> <script type="application/json" analytics>[]</script> <script type="application/json" tag-management>{"at": "True", "ga4": [], "ga4p": [], "gtm": [{"id": "GTM-N84485", "purpose": 0}], "parameters": {"internalUser": "False", "language": {"machineTranslated": "False", "requested": "en", "served": "en"}, "pageType": "article", "projectName": "Firebase Documentation", "signedIn": "False", "tenant": "firebase", "recommendations": {"sourcePage": "", "sourceType": 0, "sourceRank": 0, "sourceIdenticalDescriptions": 0, "sourceTitleWords": 0, "sourceDescriptionWords": 0, "experiment": ""}, "experiment": {"ids": ""}}}</script> </devsite-analytics> <devsite-badger></devsite-badger> <firebase-gtm></firebase-gtm> <firebase-utm></firebase-utm> <script nonce="66MPzOO6TNKrnp1+KFikS4I6XhnotE"> (function(d,e,v,s,i,t,E){d['GoogleDevelopersObject']=i; t=e.createElement(v);t.async=1;t.src=s;E=e.getElementsByTagName(v)[0]; E.parentNode.insertBefore(t,E);})(window, document, 'script', 'https://www.gstatic.com/devrel-devsite/prod/v870e399c64f7c43c99a3043db4b3a74327bb93d0914e84a0c3dba90bbfd67625/firebase/js/app_loader.js', '[4,"en",null,"/js/devsite_app_module.js","https://www.gstatic.com/devrel-devsite/prod/v870e399c64f7c43c99a3043db4b3a74327bb93d0914e84a0c3dba90bbfd67625","https://www.gstatic.com/devrel-devsite/prod/v870e399c64f7c43c99a3043db4b3a74327bb93d0914e84a0c3dba90bbfd67625/firebase","https://firebase-dot-devsite-v2-prod.appspot.com",1,null,["/_pwa/firebase/manifest.json","https://www.gstatic.com/devrel-devsite/prod/v870e399c64f7c43c99a3043db4b3a74327bb93d0914e84a0c3dba90bbfd67625/images/video-placeholder.svg","https://www.gstatic.com/devrel-devsite/prod/v870e399c64f7c43c99a3043db4b3a74327bb93d0914e84a0c3dba90bbfd67625/firebase/images/favicon.png","https://www.gstatic.com/devrel-devsite/prod/v870e399c64f7c43c99a3043db4b3a74327bb93d0914e84a0c3dba90bbfd67625/firebase/images/lockup.svg","https://fonts.googleapis.com/css?family=Google+Sans:400,500|Roboto:400,400italic,500,500italic,700,700italic|Roboto+Mono:400,500,700&display=swap"],1,null,[1,6,8,12,14,17,21,25,50,52,63,70,75,76,80,87,91,92,93,97,98,100,101,102,103,104,105,107,108,109,110,112,113,117,118,120,122,124,125,126,127,129,130,131,132,133,134,135,136,138,140,141,147,148,149,151,152,156,157,158,159,161,163,164,168,169,170,179,180,182,183,186,191,193,196],"AIzaSyAP-jjEJBzmIyKR4F-3XITp8yM9T1gEEI8","AIzaSyB6xiKGDR5O3Ak2okS4rLkauxGUG7XP0hg","firebase.google.com","AIzaSyAQk0fBONSGUqCNznf6Krs82Ap1-NV6J4o","AIzaSyCCxcqdrZ_7QMeLCRY20bh_SXdAYqy70KY",null,null,null,["BookNav__enable_tenant_cache_key","Cloud__enable_cloud_dlp_service","MiscFeatureFlags__emergency_css","Search__enable_ai_search_summaries","Profiles__enable_recognition_badges","Cloud__enable_cloud_facet_chat","Cloud__enable_cloud_shell","TpcFeatures__enable_required_headers","TpcFeatures__enable_mirror_tenant_redirects","Search__enable_page_map","Cloud__enable_cloudx_experiment_ids","Profiles__enable_public_developer_profiles","Profiles__enable_release_notes_notifications","Experiments__reqs_query_experiments","Profiles__enable_dashboard_curated_recommendations","Analytics__enable_clearcut_logging","Significatio__enable_by_tenant","DevPro__enable_developer_subscriptions","Cloud__enable_free_trial_server_call","Profiles__enable_developer_profiles_callout","Profiles__enable_profile_collections","CloudShell__cloud_code_overflow_menu","Concierge__enable_concierge","Profiles__enable_completecodelab_endpoint","MiscFeatureFlags__enable_variable_operator","Profiles__require_profile_eligibility_for_signin","Search__enable_dynamic_content_confidential_banner","MiscFeatureFlags__enable_dark_theme","DevPro__enable_cloud_innovators_plus","MiscFeatureFlags__enable_explain_this_code","MiscFeatureFlags__enable_view_transitions","MiscFeatureFlags__enable_firebase_utm","MiscFeatureFlags__developers_footer_dark_image","EngEduTelemetry__enable_engedu_telemetry","Cloud__enable_llm_concierge_chat","MiscFeatureFlags__developers_footer_image","Cloud__enable_cloud_shell_fte_user_flow","MiscFeatureFlags__enable_project_variables","Concierge__enable_pushui","Cloud__enable_legacy_calculator_redirect","Search__enable_ai_eligibility_checks","Profiles__enable_complete_playlist_endpoint","Cloud__enable_cloudx_ping","CloudShell__cloud_shell_button","Search__enable_suggestions_from_borg","Profiles__enable_page_saving","Profiles__enable_awarding_url"],null,null,"AIzaSyBLEMok-5suZ67qRPzx0qUtbnLmyT_kCVE","https://developerscontentserving-pa.clients6.google.com","AIzaSyCM4QpTRSqP5qI4Dvjt4OAScIN8sOUlO-k","https://developerscontentsearch-pa.clients6.google.com",1,4,null,"https://developerprofiles-pa.clients6.google.com",[4,"firebase","Firebase","firebase.google.com",null,"firebase-dot-devsite-v2-prod.appspot.com",null,null,[1,1,null,null,null,null,null,null,null,null,null,[1],null,null,null,null,null,null,[1],[1,null,null,[1]],null,null,null,[1,null,1],[1,1,null,null,1]],null,[68,null,null,null,null,null,"/images/lockup.svg","/images/touchicon-180.png",null,null,null,1,1,1,null,null,null,null,null,null,null,2,null,null,null,"/images/lockup.svg",[]],[],null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,[6,1,20,22,23,29,37],null,[[],[1,1]],[[null,null,null,null,["UA-24532603-9"],["GTM-N84485"],null,null,null,null,[["UA-24532603-9",1]],[["GTM-N84485",1]],1],[[16,2],[46,8],[17,1],[36,4],[2,5]],null,1],null,4],null,"pk_live_5170syrHvgGVmSx9sBrnWtA5luvk9BwnVcvIi7HizpwauFG96WedXsuXh790rtij9AmGllqPtMLfhe2RSwD6Pn38V00uBCydV4m"]') </script> <devsite-a11y-announce></devsite-a11y-announce> </body> </html>

CINXE.COM

Fundamentals | Firebase Documentation