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<li role="presentation"> <a role="menuitem" lang="en" >English</a> </li> <li role="presentation"> <a role="menuitem" lang="de" >Deutsch</a> </li> <li role="presentation"> <a role="menuitem" lang="es_419" >Español – América Latina</a> </li> <li role="presentation"> <a role="menuitem" lang="fr" >Français</a> </li> <li role="presentation"> <a role="menuitem" lang="id" >Indonesia</a> </li> <li role="presentation"> <a role="menuitem" lang="it" >Italiano</a> </li> <li role="presentation"> <a role="menuitem" lang="nl" >Nederlands</a> </li> <li role="presentation"> <a role="menuitem" lang="pl" >Polski</a> </li> <li role="presentation"> <a role="menuitem" lang="pt_br" >Português – Brasil</a> </li> <li role="presentation"> <a role="menuitem" lang="vi" >Tiếng Việt</a> </li> <li role="presentation"> <a role="menuitem" lang="tr" >Türkçe</a> </li> <li role="presentation"> <a role="menuitem" lang="ru" >Русский</a> </li> <li role="presentation"> <a role="menuitem" lang="he" >עברית</a> </li> <li role="presentation"> <a role="menuitem" lang="ar" >العربيّة</a> </li> <li role="presentation"> <a role="menuitem" lang="fa" >فارسی</a> </li> <li role="presentation"> <a role="menuitem" lang="hi" >हिंदी</a> </li> <li role="presentation"> <a role="menuitem" lang="bn" >বাংলা</a> </li> <li role="presentation"> <a role="menuitem" lang="th" >ภาษาไทย</a> </li> <li role="presentation"> <a role="menuitem" lang="zh_cn" >中文 – 简体</a> </li> <li role="presentation"> <a role="menuitem" lang="zh_tw" >中文 – 繁體</a> </li> <li role="presentation"> <a role="menuitem" lang="ja" >日本語</a> </li> <li role="presentation"> <a role="menuitem" lang="ko" >한국어</a> </li> </ul> </devsite-language-selector> <devsite-user enable-profiles id="devsite-user"> <span class="button devsite-top-button" aria-hidden="true" visually-hidden>Sign in</span> </devsite-user> </div> </div> </div> <div class="devsite-collapsible-section "> <div class="devsite-header-background"> <div class="devsite-product-id-row" > <div class="devsite-product-description-row"> <ul class="devsite-breadcrumb-list" aria-label="Lower header breadcrumb"> <li class="devsite-breadcrumb-item "> <a href="https://developer.chrome.com/docs/extensions" 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="Chrome Extensions" > Chrome Extensions </a> </li> <li class="devsite-breadcrumb-item "> <div class="devsite-breadcrumb-guillemet material-icons" aria-hidden="true"></div> <a href="https://developer.chrome.com/docs/extensions/reference" class="devsite-breadcrumb-link gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Lower Header" data-value="2" track-type="globalNav" track-name="breadcrumb" track-metadata-position="2" track-metadata-eventdetail="Reference" > Reference </a> </li> <li class="devsite-breadcrumb-item "> <div class="devsite-breadcrumb-guillemet material-icons" aria-hidden="true"></div> <a href="https://developer.chrome.com/docs/extensions/reference/api" class="devsite-breadcrumb-link gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Lower Header" data-value="3" track-type="globalNav" track-name="breadcrumb" track-metadata-position="3" track-metadata-eventdetail="API" > API </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://developer.chrome.com/docs/extensions" track-metadata-eventdetail="https://developer.chrome.com/docs/extensions" 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 > <a href="https://developer.chrome.com/docs/extensions/get-started" track-metadata-eventdetail="https://developer.chrome.com/docs/extensions/get-started" class="devsite-tabs-content gc-analytics-event " track-type="nav" track-metadata-position="nav - get started" track-metadata-module="primary nav" data-category="Site-Wide Custom Events" data-label="Tab: Get Started" track-name="get started" > Get Started </a> </tab> <tab > <a href="https://developer.chrome.com/docs/extensions/develop" track-metadata-eventdetail="https://developer.chrome.com/docs/extensions/develop" class="devsite-tabs-content gc-analytics-event " track-type="nav" track-metadata-position="nav - develop" track-metadata-module="primary nav" data-category="Site-Wide Custom Events" data-label="Tab: Develop" track-name="develop" > Develop </a> </tab> <tab > <a href="https://developer.chrome.com/docs/extensions/how-to" track-metadata-eventdetail="https://developer.chrome.com/docs/extensions/how-to" class="devsite-tabs-content gc-analytics-event " track-type="nav" track-metadata-position="nav - how to" track-metadata-module="primary nav" data-category="Site-Wide Custom Events" data-label="Tab: How To" track-name="how to" > How To </a> </tab> <tab > <a href="https://developer.chrome.com/docs/extensions/ai" track-metadata-eventdetail="https://developer.chrome.com/docs/extensions/ai" class="devsite-tabs-content gc-analytics-event " track-type="nav" track-metadata-position="nav - ai" track-metadata-module="primary nav" data-category="Site-Wide Custom Events" data-label="Tab: AI" track-name="ai" > AI </a> </tab> <tab class="devsite-dropdown devsite-active "> <a href="https://developer.chrome.com/docs/extensions/reference" track-metadata-eventdetail="https://developer.chrome.com/docs/extensions/reference" class="devsite-tabs-content gc-analytics-event " track-type="nav" track-metadata-position="nav - reference" track-metadata-module="primary nav" aria-label="Reference, selected" data-category="Site-Wide Custom Events" data-label="Tab: Reference" track-name="reference" > Reference </a> <a href="#" role="button" aria-haspopup="true" aria-expanded="false" aria-label="Dropdown menu for Reference" track-type="nav" track-metadata-eventdetail="https://developer.chrome.com/docs/extensions/reference" track-metadata-position="nav - reference" track-metadata-module="primary nav" data-category="Site-Wide Custom Events" data-label="Tab: Reference" track-name="reference" 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://developer.chrome.com/docs/extensions/reference/api" track-type="nav" track-metadata-eventdetail="https://developer.chrome.com/docs/extensions/reference/api" track-metadata-position="nav - reference" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> API </div> </a> </li> <li class="devsite-nav-item"> <a href="https://developer.chrome.com/docs/extensions/reference/permissions-list" track-type="nav" track-metadata-eventdetail="https://developer.chrome.com/docs/extensions/reference/permissions-list" track-metadata-position="nav - reference" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Permissions </div> </a> </li> <li class="devsite-nav-item"> <a href="https://developer.chrome.com/docs/extensions/reference/manifest" track-type="nav" track-metadata-eventdetail="https://developer.chrome.com/docs/extensions/reference/manifest" track-metadata-position="nav - reference" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Manifest </div> </a> </li> </ul> </div> </div> </div> </tab> <tab > <a href="https://developer.chrome.com/docs/extensions/samples" track-metadata-eventdetail="https://developer.chrome.com/docs/extensions/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> <tab class="devsite-dropdown "> <a href="https://developer.chrome.com/docs/webstore" track-metadata-eventdetail="https://developer.chrome.com/docs/webstore" class="devsite-tabs-content gc-analytics-event " track-type="nav" track-metadata-position="nav - chrome web store" track-metadata-module="primary nav" data-category="Site-Wide Custom Events" data-label="Tab: Chrome Web Store" track-name="chrome web store" > Chrome Web Store </a> <a href="#" role="button" aria-haspopup="true" aria-expanded="false" aria-label="Dropdown menu for Chrome Web Store" track-type="nav" track-metadata-eventdetail="https://developer.chrome.com/docs/webstore" track-metadata-position="nav - chrome web store" track-metadata-module="primary nav" data-category="Site-Wide Custom Events" data-label="Tab: Chrome Web Store" track-name="chrome web store" 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://developer.chrome.com/docs/webstore/prepare" track-type="nav" track-metadata-eventdetail="https://developer.chrome.com/docs/webstore/prepare" track-metadata-position="nav - chrome web store" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Prepare your Extension </div> </a> </li> <li class="devsite-nav-item"> <a href="https://developer.chrome.com/docs/webstore/publish" track-type="nav" track-metadata-eventdetail="https://developer.chrome.com/docs/webstore/publish" track-metadata-position="nav - chrome web store" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Publish in the Chrome Web Store </div> </a> </li> <li class="devsite-nav-item"> <a href="https://developer.chrome.com/docs/webstore/program-policies" track-type="nav" track-metadata-eventdetail="https://developer.chrome.com/docs/webstore/program-policies" track-metadata-position="nav - chrome web store" track-metadata-module="tertiary nav" tooltip > <div class="devsite-nav-item-title"> Program Policies </div> </a> </li> </ul> </div> </div> </div> </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="chromeForDevelopers" track-metadata-position="nav" track-metadata-eventDetail="nav"> <picture> <source srcset="https://www.gstatic.com/devrel-devsite/prod/v870e399c64f7c43c99a3043db4b3a74327bb93d0914e84a0c3dba90bbfd67625/chrome/images/lockup-dark-theme.svg" media="(prefers-color-scheme: dark)" class="devsite-dark-theme" alt="Chrome for Developers"> <img src="https://www.gstatic.com/devrel-devsite/prod/v870e399c64f7c43c99a3043db4b3a74327bb93d0914e84a0c3dba90bbfd67625/chrome/images/lockup.svg" class="devsite-site-logo" alt="Chrome for Developers"> </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="/case-studies" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Tab: Get inspired" track-name="get inspired" data-category="Site-Wide Custom Events" data-label="Responsive Tab: Get inspired" track-type="globalNav" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Get inspired </span> </a> </li> <li class="devsite-nav-item"> <a href="/blog" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Tab: Blog" track-name="blog" data-category="Site-Wide Custom Events" data-label="Responsive Tab: Blog" track-type="globalNav" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Blog </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/extensions" class="devsite-nav-title gc-analytics-event devsite-nav-has-children " 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> <span class="devsite-nav-icon material-icons" data-icon="forward" > </span> </a> </li> <li class="devsite-nav-item"> <a href="/docs/extensions/get-started" class="devsite-nav-title gc-analytics-event devsite-nav-has-children " data-category="Site-Wide Custom Events" data-label="Tab: Get Started" track-name="get started" data-category="Site-Wide Custom Events" data-label="Responsive Tab: Get Started" track-type="globalNav" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Get Started </span> <span class="devsite-nav-icon material-icons" data-icon="forward" > </span> </a> </li> <li class="devsite-nav-item"> <a href="/docs/extensions/develop" class="devsite-nav-title gc-analytics-event devsite-nav-has-children " data-category="Site-Wide Custom Events" data-label="Tab: Develop" track-name="develop" data-category="Site-Wide Custom Events" data-label="Responsive Tab: Develop" track-type="globalNav" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Develop </span> <span class="devsite-nav-icon material-icons" data-icon="forward" > </span> </a> </li> <li class="devsite-nav-item"> <a href="/docs/extensions/how-to" class="devsite-nav-title gc-analytics-event devsite-nav-has-children " data-category="Site-Wide Custom Events" data-label="Tab: How To" track-name="how to" data-category="Site-Wide Custom Events" data-label="Responsive Tab: How To" track-type="globalNav" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > How To </span> <span class="devsite-nav-icon material-icons" data-icon="forward" > </span> </a> </li> <li class="devsite-nav-item"> <a href="/docs/extensions/ai" class="devsite-nav-title gc-analytics-event devsite-nav-has-children " data-category="Site-Wide Custom Events" data-label="Tab: AI" track-name="ai" data-category="Site-Wide Custom Events" data-label="Responsive Tab: AI" track-type="globalNav" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > AI </span> <span class="devsite-nav-icon material-icons" data-icon="forward" > </span> </a> </li> <li class="devsite-nav-item"> <a href="/docs/extensions/reference" class="devsite-nav-title gc-analytics-event devsite-nav-has-children devsite-nav-active" 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 menu="_book"> Reference </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: Reference" track-name="reference" > <span class="devsite-nav-text" tooltip menu="Reference"> More </span> <span class="devsite-nav-icon material-icons" data-icon="forward" menu="Reference"> </span> </span> </li> </ul> </li> <li class="devsite-nav-item"> <a href="/docs/extensions/samples" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="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> <li class="devsite-nav-item"> <a href="/docs/webstore" class="devsite-nav-title gc-analytics-event devsite-nav-has-children " data-category="Site-Wide Custom Events" data-label="Tab: Chrome Web Store" track-name="chrome web store" data-category="Site-Wide Custom Events" data-label="Responsive Tab: Chrome Web Store" track-type="globalNav" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Chrome Web Store </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: Chrome Web Store" track-name="chrome web store" > <span class="devsite-nav-text" tooltip menu="Chrome Web Store"> More </span> <span class="devsite-nav-icon material-icons" data-icon="forward" menu="Chrome Web Store"> </span> </span> </li> </ul> </li> </ul> </li> <li class="devsite-nav-item"> <a href="/new" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Tab: New in Chrome" track-name="new in chrome" data-category="Site-Wide Custom Events" data-label="Responsive Tab: New in Chrome" track-type="globalNav" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > New in Chrome </span> </a> </li> </ul> </div> <div class="devsite-mobile-nav-bottom"> <ul class="devsite-nav-list" menu="_book"> <li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Manifest V3</span> </div></li> <li class="devsite-nav-item devsite-nav-deprecated"><a href="/docs/extensions/mv2/reference" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/mv2/reference" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/mv2/reference" ><span class="devsite-nav-text" tooltip>➡ Manifest V2</span><span class="devsite-nav-icon material-icons" data-icon="deprecated" data-title="Deprecated" aria-hidden="true"></span></a></li> <li class="devsite-nav-item"><a href="/docs/extensions/reference/api/accessibilityFeatures" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/api/accessibilityFeatures" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/reference/api/accessibilityFeatures" ><span class="devsite-nav-text" tooltip>accessibilityFeatures</span></a></li> <li class="devsite-nav-item"><a href="/docs/extensions/reference/api/action" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/api/action" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/reference/api/action" ><span class="devsite-nav-text" tooltip>action</span></a></li> <li class="devsite-nav-item"><a href="/docs/extensions/reference/api/alarms" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/api/alarms" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/reference/api/alarms" ><span class="devsite-nav-text" tooltip>alarms</span></a></li> <li class="devsite-nav-item"><a href="/docs/extensions/reference/api/audio" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/api/audio" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/reference/api/audio" ><span class="devsite-nav-text" tooltip>audio</span></a></li> <li class="devsite-nav-item"><a href="/docs/extensions/reference/api/bookmarks" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/api/bookmarks" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/reference/api/bookmarks" ><span class="devsite-nav-text" tooltip>bookmarks</span></a></li> <li class="devsite-nav-item"><a href="/docs/extensions/reference/api/browsingData" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/api/browsingData" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/reference/api/browsingData" ><span class="devsite-nav-text" tooltip>browsingData</span></a></li> <li class="devsite-nav-item"><a href="/docs/extensions/reference/api/certificateProvider" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/api/certificateProvider" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/reference/api/certificateProvider" ><span class="devsite-nav-text" tooltip>certificateProvider</span></a></li> <li class="devsite-nav-item"><a href="/docs/extensions/reference/api/commands" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/api/commands" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/reference/api/commands" ><span class="devsite-nav-text" tooltip>commands</span></a></li> <li class="devsite-nav-item"><a href="/docs/extensions/reference/api/contentSettings" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/api/contentSettings" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/reference/api/contentSettings" ><span class="devsite-nav-text" tooltip>contentSettings</span></a></li> <li class="devsite-nav-item"><a href="/docs/extensions/reference/api/contextMenus" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/api/contextMenus" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/reference/api/contextMenus" ><span class="devsite-nav-text" tooltip>contextMenus</span></a></li> <li class="devsite-nav-item"><a href="/docs/extensions/reference/api/cookies" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/api/cookies" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/reference/api/cookies" ><span class="devsite-nav-text" tooltip>cookies</span></a></li> <li class="devsite-nav-item"><a href="/docs/extensions/reference/api/debugger" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/api/debugger" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/reference/api/debugger" ><span class="devsite-nav-text" tooltip>debugger</span></a></li> <li class="devsite-nav-item"><a href="/docs/extensions/reference/api/declarativeContent" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/api/declarativeContent" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/reference/api/declarativeContent" ><span class="devsite-nav-text" tooltip>declarativeContent</span></a></li> <li class="devsite-nav-item"><a href="/docs/extensions/reference/api/declarativeNetRequest" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/api/declarativeNetRequest" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/reference/api/declarativeNetRequest" ><span class="devsite-nav-text" tooltip>declarativeNetRequest</span></a></li> <li class="devsite-nav-item"><a href="/docs/extensions/reference/api/desktopCapture" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/api/desktopCapture" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/reference/api/desktopCapture" ><span class="devsite-nav-text" tooltip>desktopCapture</span></a></li> <li class="devsite-nav-item"><a href="/docs/extensions/reference/api/devtools/inspectedWindow" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/api/devtools/inspectedWindow" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/reference/api/devtools/inspectedWindow" ><span class="devsite-nav-text" tooltip>devtools.inspectedWindow</span></a></li> <li class="devsite-nav-item"><a href="/docs/extensions/reference/api/devtools/network" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/api/devtools/network" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/reference/api/devtools/network" ><span class="devsite-nav-text" tooltip>devtools.network</span></a></li> <li class="devsite-nav-item"><a href="/docs/extensions/reference/api/devtools/panels" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/api/devtools/panels" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/reference/api/devtools/panels" ><span class="devsite-nav-text" tooltip>devtools.panels</span></a></li> <li class="devsite-nav-item"><a href="/docs/extensions/reference/api/devtools/performance" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/api/devtools/performance" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/reference/api/devtools/performance" ><span class="devsite-nav-text" tooltip>devtools.performance</span></a></li> <li class="devsite-nav-item"><a href="/docs/extensions/reference/api/devtools/recorder" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/api/devtools/recorder" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/reference/api/devtools/recorder" ><span class="devsite-nav-text" tooltip>devtools.recorder</span></a></li> <li class="devsite-nav-item devsite-nav-nightly"><a href="/docs/extensions/reference/api/dns" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/api/dns" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/reference/api/dns" ><span class="devsite-nav-text" tooltip>dns</span><span class="devsite-nav-icon material-icons" data-icon="nightly" data-title="Nightly build only" aria-hidden="true"></span></a></li> <li class="devsite-nav-item"><a href="/docs/extensions/reference/api/documentScan" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/api/documentScan" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/reference/api/documentScan" ><span class="devsite-nav-text" tooltip>documentScan</span></a></li> <li class="devsite-nav-item"><a href="/docs/extensions/reference/api/dom" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/api/dom" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/reference/api/dom" ><span class="devsite-nav-text" tooltip>dom</span></a></li> <li class="devsite-nav-item"><a href="/docs/extensions/reference/api/downloads" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/api/downloads" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/reference/api/downloads" ><span class="devsite-nav-text" tooltip>downloads</span></a></li> <li class="devsite-nav-item"><a href="/docs/extensions/reference/api/enterprise/deviceAttributes" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/api/enterprise/deviceAttributes" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/reference/api/enterprise/deviceAttributes" ><span class="devsite-nav-text" tooltip>enterprise.deviceAttributes</span></a></li> <li class="devsite-nav-item"><a href="/docs/extensions/reference/api/enterprise/hardwarePlatform" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/api/enterprise/hardwarePlatform" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/reference/api/enterprise/hardwarePlatform" ><span class="devsite-nav-text" tooltip>enterprise.hardwarePlatform</span></a></li> <li class="devsite-nav-item"><a href="/docs/extensions/reference/api/enterprise/networkingAttributes" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/api/enterprise/networkingAttributes" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/reference/api/enterprise/networkingAttributes" ><span class="devsite-nav-text" tooltip>enterprise.networkingAttributes</span></a></li> <li class="devsite-nav-item"><a href="/docs/extensions/reference/api/enterprise/platformKeys" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/api/enterprise/platformKeys" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/reference/api/enterprise/platformKeys" ><span class="devsite-nav-text" tooltip>enterprise.platformKeys</span></a></li> <li class="devsite-nav-item"><a href="/docs/extensions/reference/api/events" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/api/events" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/reference/api/events" ><span class="devsite-nav-text" tooltip>events</span></a></li> <li class="devsite-nav-item"><a href="/docs/extensions/reference/api/extension" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/api/extension" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/reference/api/extension" ><span class="devsite-nav-text" tooltip>extension</span></a></li> <li class="devsite-nav-item"><a href="/docs/extensions/reference/api/extensionTypes" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/api/extensionTypes" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/reference/api/extensionTypes" ><span class="devsite-nav-text" tooltip>extensionTypes</span></a></li> <li class="devsite-nav-item"><a href="/docs/extensions/reference/api/fileBrowserHandler" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/api/fileBrowserHandler" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/reference/api/fileBrowserHandler" ><span class="devsite-nav-text" tooltip>fileBrowserHandler</span></a></li> <li class="devsite-nav-item"><a href="/docs/extensions/reference/api/fileSystemProvider" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/api/fileSystemProvider" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/reference/api/fileSystemProvider" ><span class="devsite-nav-text" tooltip>fileSystemProvider</span></a></li> <li class="devsite-nav-item"><a href="/docs/extensions/reference/api/fontSettings" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/api/fontSettings" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/reference/api/fontSettings" ><span class="devsite-nav-text" tooltip>fontSettings</span></a></li> <li class="devsite-nav-item"><a href="/docs/extensions/reference/api/gcm" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/api/gcm" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/reference/api/gcm" ><span class="devsite-nav-text" tooltip>gcm</span></a></li> <li class="devsite-nav-item"><a href="/docs/extensions/reference/api/history" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/api/history" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/reference/api/history" ><span class="devsite-nav-text" tooltip>history</span></a></li> <li class="devsite-nav-item"><a href="/docs/extensions/reference/api/i18n" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/api/i18n" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/reference/api/i18n" ><span class="devsite-nav-text" tooltip>i18n</span></a></li> <li class="devsite-nav-item"><a href="/docs/extensions/reference/api/identity" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/api/identity" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/reference/api/identity" ><span class="devsite-nav-text" tooltip>identity</span></a></li> <li class="devsite-nav-item"><a href="/docs/extensions/reference/api/idle" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/api/idle" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/reference/api/idle" ><span class="devsite-nav-text" tooltip>idle</span></a></li> <li class="devsite-nav-item"><a href="/docs/extensions/reference/api/input/ime" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/api/input/ime" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/reference/api/input/ime" ><span class="devsite-nav-text" tooltip>input.ime</span></a></li> <li class="devsite-nav-item"><a href="/docs/extensions/reference/api/instanceID" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/api/instanceID" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/reference/api/instanceID" ><span class="devsite-nav-text" tooltip>instanceID</span></a></li> <li class="devsite-nav-item"><a href="/docs/extensions/reference/api/loginState" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/api/loginState" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/reference/api/loginState" ><span class="devsite-nav-text" tooltip>loginState</span></a></li> <li class="devsite-nav-item"><a href="/docs/extensions/reference/api/management" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/api/management" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/reference/api/management" ><span class="devsite-nav-text" tooltip>management</span></a></li> <li class="devsite-nav-item"><a href="/docs/extensions/reference/api/notifications" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/api/notifications" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/reference/api/notifications" ><span class="devsite-nav-text" tooltip>notifications</span></a></li> <li class="devsite-nav-item"><a href="/docs/extensions/reference/api/offscreen" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/api/offscreen" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/reference/api/offscreen" ><span class="devsite-nav-text" tooltip>offscreen</span></a></li> <li class="devsite-nav-item"><a href="/docs/extensions/reference/api/omnibox" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/api/omnibox" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/reference/api/omnibox" ><span class="devsite-nav-text" tooltip>omnibox</span></a></li> <li class="devsite-nav-item"><a href="/docs/extensions/reference/api/pageCapture" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/api/pageCapture" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/reference/api/pageCapture" ><span class="devsite-nav-text" tooltip>pageCapture</span></a></li> <li class="devsite-nav-item"><a href="/docs/extensions/reference/api/permissions" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/api/permissions" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/reference/api/permissions" ><span class="devsite-nav-text" tooltip>permissions</span></a></li> <li class="devsite-nav-item"><a href="/docs/extensions/reference/api/platformKeys" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/api/platformKeys" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/reference/api/platformKeys" ><span class="devsite-nav-text" tooltip>platformKeys</span></a></li> <li class="devsite-nav-item"><a href="/docs/extensions/reference/api/power" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/api/power" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/reference/api/power" ><span class="devsite-nav-text" tooltip>power</span></a></li> <li class="devsite-nav-item"><a href="/docs/extensions/reference/api/printerProvider" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/api/printerProvider" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/reference/api/printerProvider" ><span class="devsite-nav-text" tooltip>printerProvider</span></a></li> <li class="devsite-nav-item"><a href="/docs/extensions/reference/api/printing" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/api/printing" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/reference/api/printing" ><span class="devsite-nav-text" tooltip>printing</span></a></li> <li class="devsite-nav-item"><a href="/docs/extensions/reference/api/printingMetrics" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/api/printingMetrics" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/reference/api/printingMetrics" ><span class="devsite-nav-text" tooltip>printingMetrics</span></a></li> <li class="devsite-nav-item"><a href="/docs/extensions/reference/api/privacy" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/api/privacy" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/reference/api/privacy" ><span class="devsite-nav-text" tooltip>privacy</span></a></li> <li class="devsite-nav-item devsite-nav-nightly"><a href="/docs/extensions/reference/api/processes" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/api/processes" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/reference/api/processes" ><span class="devsite-nav-text" tooltip>processes</span><span class="devsite-nav-icon material-icons" data-icon="nightly" data-title="Nightly build only" aria-hidden="true"></span></a></li> <li class="devsite-nav-item"><a href="/docs/extensions/reference/api/proxy" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/api/proxy" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/reference/api/proxy" ><span class="devsite-nav-text" tooltip>proxy</span></a></li> <li class="devsite-nav-item"><a href="/docs/extensions/reference/api/readingList" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/api/readingList" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/reference/api/readingList" ><span class="devsite-nav-text" tooltip>readingList</span></a></li> <li class="devsite-nav-item"><a href="/docs/extensions/reference/api/runtime" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/api/runtime" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/reference/api/runtime" ><span class="devsite-nav-text" tooltip>runtime</span></a></li> <li class="devsite-nav-item"><a href="/docs/extensions/reference/api/scripting" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/api/scripting" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/reference/api/scripting" ><span class="devsite-nav-text" tooltip>scripting</span></a></li> <li class="devsite-nav-item"><a href="/docs/extensions/reference/api/search" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/api/search" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/reference/api/search" ><span class="devsite-nav-text" tooltip>search</span></a></li> <li class="devsite-nav-item"><a href="/docs/extensions/reference/api/sessions" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/api/sessions" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/reference/api/sessions" ><span class="devsite-nav-text" tooltip>sessions</span></a></li> <li class="devsite-nav-item"><a href="/docs/extensions/reference/api/sidePanel" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/api/sidePanel" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/reference/api/sidePanel" ><span class="devsite-nav-text" tooltip>sidePanel</span></a></li> <li class="devsite-nav-item"><a href="/docs/extensions/reference/api/storage" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/api/storage" track-type="bookNav" track-name="click" track-metadata-eventdetail="/docs/extensions/reference/api/storage" ><span class="devsite-nav-text" tooltip>storage</span></a></li> <li class="devsite-nav-item"><a href="/docs/extensions/reference/api/system/cpu" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /docs/extensions/reference/api/system/cpu" track-type="bookNav" track-name="click" 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solid var(--color-hairline);margin:1em 0;padding-top:get-size(300)}.dcc-code-sections__mode{color:var(--color-code-comment);text-transform:uppercase}.dcc-code-sections li{border-top:1px solid var(--color-hairline);display:flex;flex-direction:column;padding-top:get-size(300);position:relative}.dcc-code-sections li>:first-child{font-weight:500;flex:0 0 auto;flex-shrink:1;min-width:9rem;padding-right:1rem}.dcc-code-sections li>:not(:first-child){flex-grow:1}.dcc-code-sections--summary{padding-left:0}.dcc-code-sections--summary>li:first-child{border-top:0;padding-top:0}@media(min-width: 992px){.dcc-code-sections--summary>li{flex-direction:row}}.dcc-code-sections--summary>li>:first-child{min-width:6.5rem}.dcc-tag-pill{--flow-space: 0.25rem;box-sizing:border-box;border-radius:.75rem;font-weight:500;font-size:.75rem;line-height:1.3333333333;margin:calc(var(--flow-space)/2);background-color:var(--color-blue-lightest);color:var(--color-blue-darkest);margin-bottom:.5rem;padding:.25rem .75rem;cursor:help}.dcc-tag-pill--blue{background-color:var(--color-blue-lightest);color:var(--color-blue-darkest)}.dcc-tag-pill--yellow{background-color:var(--color-yellow-lightest);color:var(--color-yellow-darkest)}.dcc-tag-pill--red{background-color:var(--color-red-lightest);color:var(--color-red-darkest)}.dcc-tag-pill--green{background-color:var(--color-green-lightest);color:var(--color-green-darkest)}.dcc-tag-pill--pink{background-color:var(--color-pink-lightest);color:var(--color-pink-darkest)}.dcc-tag-pill--purple{background-color:var(--color-purple-lightest);color:var(--color-purple-darkest)}a>.dcc-tag-pill{cursor:pointer}</style> <p></p> <p><h2 class="dcc-api-title" data-text="Description" id="description" tabindex="-1">Description</h2> <div class="dcc-reference"><p>The <code translate="no" dir="ltr">chrome.extensionTypes</code> API contains type declarations for Chrome extensions.</p></div></p> <p></p> <p></p> <p></p> <p><div class="dcc-reference"><h2 id="type" data-text="Types" tabindex="-1">Types</h2> <div><div> <div class="notranslate"> <h3 id="type-CSSOrigin" data-text="CSSOrigin" tabindex="-1">CSSOrigin</h3> </div><div class=""> <div><span class="dcc-tag-pill--blue dcc-tag-pill" title="Available from this Chrome version and higher">Chrome 66+ </span></div> </div><p>The <a href="https://www.w3.org/TR/css3-cascade/#cascading-origins">origin</a> of injected CSS.</p> </div><div class="dcc-code-sections"><h4 class="dcc-type--label dcc-code-sections__mode" id="enum" data-text="Enum" tabindex="-1">Enum</h4><div class="dcc-code-sections__overline dcc-code-sections__label"> <p><span style="white-space: nowrap;"><p class="dcc-code-sections__icon dcc-code-sections__icon--stringdcc-code-sections__enum"><span class="dcc-code-sections__value">&quot;author&quot;</span> <br> <span class="dcc-type--xsmall" style="white-space: initial"></span></p></span><span style="white-space: nowrap;"><p class="dcc-code-sections__icon dcc-code-sections__icon--stringdcc-code-sections__enum"><span class="dcc-code-sections__value">&quot;user&quot;</span> <br> <span class="dcc-type--xsmall" style="white-space: initial"></span></p></span></p> </div> </div><div> <div class="notranslate"> <h3 id="type-DeleteInjectionDetails" data-text="DeleteInjectionDetails" tabindex="-1">DeleteInjectionDetails</h3> </div><div class=""> <div><span class="dcc-tag-pill--blue dcc-tag-pill" title="Available from this Chrome version and higher">Chrome 87+ </span></div> </div><p>Details of the CSS to remove. Either the code or the file property must be set, but both may not be set at the same time.</p> </div><div class="dcc-code-sections"><h4 class="dcc-type--label dcc-code-sections__mode" id="properties" data-text="Properties" tabindex="-1">Properties</h4><ul class="stack"><li class="stack"> <div> <div class="dcc-code-sections__label" id="property-DeleteInjectionDetails-allFrames">allFrames</div> <div class="dcc-type--xsmall"><p class="dcc-code-sections__icon dcc-code-sections__icon--boolean">boolean&nbsp;<span class="dcc-code-sections__optional">optional</span></p></div> </div><p>If allFrames is <code translate="no" dir="ltr">true</code>, implies that the CSS should be removed from all frames of current page. By default, it's <code translate="no" dir="ltr">false</code> and is only removed from the top frame. If <code translate="no" dir="ltr">true</code> and <code translate="no" dir="ltr">frameId</code> is set, then the code is removed from the selected frame and all of its child frames.</p> </li><li class="stack"> <div> <div class="dcc-code-sections__label" id="property-DeleteInjectionDetails-code">code</div> <div class="dcc-type--xsmall"><p class="dcc-code-sections__icon dcc-code-sections__icon--string">string&nbsp;<span class="dcc-code-sections__optional">optional</span></p></div> </div><p>CSS code to remove.</p> </li><li class="stack"> <div> <div class="dcc-code-sections__label" id="property-DeleteInjectionDetails-cssOrigin">cssOrigin</div> <div class="dcc-type--xsmall"><p class="dcc-code-sections__icon dcc-code-sections__icon--object"><a href="#type-CSSOrigin">CSSOrigin</a>&nbsp;<span class="dcc-code-sections__optional">optional</span></p></div> </div><p>The <a href="https://www.w3.org/TR/css3-cascade/#cascading-origins">origin</a> of the CSS to remove. Defaults to <code translate="no" dir="ltr">&quot;author&quot;</code>.</p> </li><li class="stack"> <div> <div class="dcc-code-sections__label" id="property-DeleteInjectionDetails-file">file</div> <div class="dcc-type--xsmall"><p class="dcc-code-sections__icon dcc-code-sections__icon--string">string&nbsp;<span class="dcc-code-sections__optional">optional</span></p></div> </div><p>CSS file to remove.</p> </li><li class="stack"> <div> <div class="dcc-code-sections__label" id="property-DeleteInjectionDetails-frameId">frameId</div> <div class="dcc-type--xsmall"><p class="dcc-code-sections__icon dcc-code-sections__icon--number">number&nbsp;<span class="dcc-code-sections__optional">optional</span></p></div> </div><p>The <a href="https://developer.chrome.com/docs/extensions/reference/webNavigation/#frame_ids">frame</a> from where the CSS should be removed. Defaults to 0 (the top-level frame).</p> </li><li class="stack"> <div> <div class="dcc-code-sections__label" id="property-DeleteInjectionDetails-matchAboutBlank">matchAboutBlank</div> <div class="dcc-type--xsmall"><p class="dcc-code-sections__icon dcc-code-sections__icon--boolean">boolean&nbsp;<span class="dcc-code-sections__optional">optional</span></p></div> </div><p>If matchAboutBlank is true, then the code is also removed from about:blank and about:srcdoc frames if your extension has access to its parent document. By default it is <code translate="no" dir="ltr">false</code>.</p> </li></ul> </div><div> <div class="notranslate"> <h3 id="type-DocumentLifecycle" data-text="DocumentLifecycle" tabindex="-1">DocumentLifecycle</h3> </div><div class=""> <div><span class="dcc-tag-pill--blue dcc-tag-pill" title="Available from this Chrome version and higher">Chrome 106+ </span></div> </div><p>The document lifecycle of the frame.</p> </div><div class="dcc-code-sections"><h4 class="dcc-type--label dcc-code-sections__mode" id="enum_1" data-text="Enum" tabindex="-1">Enum</h4><div class="dcc-code-sections__overline dcc-code-sections__label"> <p><span style="white-space: nowrap;"><p class="dcc-code-sections__icon dcc-code-sections__icon--stringdcc-code-sections__enum"><span class="dcc-code-sections__value">&quot;prerender&quot;</span> <br> <span class="dcc-type--xsmall" style="white-space: initial"></span></p></span><span style="white-space: nowrap;"><p class="dcc-code-sections__icon dcc-code-sections__icon--stringdcc-code-sections__enum"><span class="dcc-code-sections__value">&quot;active&quot;</span> <br> <span class="dcc-type--xsmall" style="white-space: initial"></span></p></span><span style="white-space: nowrap;"><p class="dcc-code-sections__icon dcc-code-sections__icon--stringdcc-code-sections__enum"><span class="dcc-code-sections__value">&quot;cached&quot;</span> <br> <span class="dcc-type--xsmall" style="white-space: initial"></span></p></span><span style="white-space: nowrap;"><p class="dcc-code-sections__icon dcc-code-sections__icon--stringdcc-code-sections__enum"><span class="dcc-code-sections__value">&quot;pending_deletion&quot;</span> <br> <span class="dcc-type--xsmall" style="white-space: initial"></span></p></span></p> </div> </div><div> <div class="notranslate"> <h3 id="type-ExecutionWorld" data-text="ExecutionWorld" tabindex="-1">ExecutionWorld</h3> </div><div class=""> <div><span class="dcc-tag-pill--blue dcc-tag-pill" title="Available from this Chrome version and higher">Chrome 111+ </span></div> </div><p>The JavaScript world for a script to execute within. Can either be an isolated world unique to this extension, the main world of the DOM which is shared with the page's JavaScript, or a user scripts world that is only available for scripts registered with the User Scripts API.</p> </div><div class="dcc-code-sections"><h4 class="dcc-type--label dcc-code-sections__mode" id="enum_2" data-text="Enum" tabindex="-1">Enum</h4><div class="dcc-code-sections__overline dcc-code-sections__label"> <p><span style="white-space: nowrap;"><p class="dcc-code-sections__icon dcc-code-sections__icon--stringdcc-code-sections__enum"><span class="dcc-code-sections__value">&quot;ISOLATED&quot;</span> <br> <span class="dcc-type--xsmall" style="white-space: initial"></span></p></span><span style="white-space: nowrap;"><p class="dcc-code-sections__icon dcc-code-sections__icon--stringdcc-code-sections__enum"><span class="dcc-code-sections__value">&quot;MAIN&quot;</span> <br> <span class="dcc-type--xsmall" style="white-space: initial"></span></p></span><span style="white-space: nowrap;"><p class="dcc-code-sections__icon dcc-code-sections__icon--stringdcc-code-sections__enum"><span class="dcc-code-sections__value">&quot;USER_SCRIPT&quot;</span> <br> <span class="dcc-type--xsmall" style="white-space: initial"></span></p></span></p> </div> </div><div> <div class="notranslate"> <h3 id="type-FrameType" data-text="FrameType" tabindex="-1">FrameType</h3> </div><div class=""> <div><span class="dcc-tag-pill--blue dcc-tag-pill" title="Available from this Chrome version and higher">Chrome 106+ </span></div> </div><p>The type of frame.</p> </div><div class="dcc-code-sections"><h4 class="dcc-type--label dcc-code-sections__mode" id="enum_3" data-text="Enum" tabindex="-1">Enum</h4><div class="dcc-code-sections__overline dcc-code-sections__label"> <p><span style="white-space: nowrap;"><p class="dcc-code-sections__icon dcc-code-sections__icon--stringdcc-code-sections__enum"><span class="dcc-code-sections__value">&quot;outermost_frame&quot;</span> <br> <span class="dcc-type--xsmall" style="white-space: initial"></span></p></span><span style="white-space: nowrap;"><p class="dcc-code-sections__icon dcc-code-sections__icon--stringdcc-code-sections__enum"><span class="dcc-code-sections__value">&quot;fenced_frame&quot;</span> <br> <span class="dcc-type--xsmall" style="white-space: initial"></span></p></span><span style="white-space: nowrap;"><p class="dcc-code-sections__icon dcc-code-sections__icon--stringdcc-code-sections__enum"><span class="dcc-code-sections__value">&quot;sub_frame&quot;</span> <br> <span class="dcc-type--xsmall" style="white-space: initial"></span></p></span></p> </div> </div><div> <div class="notranslate"> <h3 id="type-ImageDetails" data-text="ImageDetails" tabindex="-1">ImageDetails</h3> </div><p>Details about the format and quality of an image.</p> </div><div class="dcc-code-sections"><h4 class="dcc-type--label dcc-code-sections__mode" id="properties_1" data-text="Properties" tabindex="-1">Properties</h4><ul class="stack"><li class="stack"> <div> <div class="dcc-code-sections__label" id="property-ImageDetails-format">format</div> <div class="dcc-type--xsmall"><p class="dcc-code-sections__icon dcc-code-sections__icon--object"><a href="#type-ImageFormat">ImageFormat</a>&nbsp;<span class="dcc-code-sections__optional">optional</span></p></div> </div><p>The format of the resulting image. Default is <code translate="no" dir="ltr">&quot;jpeg&quot;</code>.</p> </li><li class="stack"> <div> <div class="dcc-code-sections__label" id="property-ImageDetails-quality">quality</div> <div class="dcc-type--xsmall"><p class="dcc-code-sections__icon dcc-code-sections__icon--number">number&nbsp;<span class="dcc-code-sections__optional">optional</span></p></div> </div><p>When format is <code translate="no" dir="ltr">&quot;jpeg&quot;</code>, controls the quality of the resulting image. This value is ignored for PNG images. As quality is decreased, the resulting image will have more visual artifacts, and the number of bytes needed to store it will decrease.</p> </li></ul> </div><div> <div class="notranslate"> <h3 id="type-ImageFormat" data-text="ImageFormat" tabindex="-1">ImageFormat</h3> </div><div class=""> <div><span class="dcc-tag-pill--blue dcc-tag-pill" title="Available from this Chrome version and higher">Chrome 44+ </span></div> </div><p>The format of an image.</p> </div><div class="dcc-code-sections"><h4 class="dcc-type--label dcc-code-sections__mode" id="enum_4" data-text="Enum" tabindex="-1">Enum</h4><div class="dcc-code-sections__overline dcc-code-sections__label"> <p><span style="white-space: nowrap;"><p class="dcc-code-sections__icon dcc-code-sections__icon--stringdcc-code-sections__enum"><span class="dcc-code-sections__value">&quot;jpeg&quot;</span> <br> <span class="dcc-type--xsmall" style="white-space: initial"></span></p></span><span style="white-space: nowrap;"><p class="dcc-code-sections__icon dcc-code-sections__icon--stringdcc-code-sections__enum"><span class="dcc-code-sections__value">&quot;png&quot;</span> <br> <span class="dcc-type--xsmall" style="white-space: initial"></span></p></span></p> </div> </div><div> <div class="notranslate"> <h3 id="type-InjectDetails" data-text="InjectDetails" tabindex="-1">InjectDetails</h3> </div><p>Details of the script or CSS to inject. Either the code or the file property must be set, but both may not be set at the same time.</p> </div><div class="dcc-code-sections"><h4 class="dcc-type--label dcc-code-sections__mode" id="properties_2" data-text="Properties" tabindex="-1">Properties</h4><ul class="stack"><li class="stack"> <div> <div class="dcc-code-sections__label" id="property-InjectDetails-allFrames">allFrames</div> <div class="dcc-type--xsmall"><p class="dcc-code-sections__icon dcc-code-sections__icon--boolean">boolean&nbsp;<span class="dcc-code-sections__optional">optional</span></p></div> </div><p>If allFrames is <code translate="no" dir="ltr">true</code>, implies that the JavaScript or CSS should be injected into all frames of current page. By default, it's <code translate="no" dir="ltr">false</code> and is only injected into the top frame. If <code translate="no" dir="ltr">true</code> and <code translate="no" dir="ltr">frameId</code> is set, then the code is inserted in the selected frame and all of its child frames.</p> </li><li class="stack"> <div> <div class="dcc-code-sections__label" id="property-InjectDetails-code">code</div> <div class="dcc-type--xsmall"><p class="dcc-code-sections__icon dcc-code-sections__icon--string">string&nbsp;<span class="dcc-code-sections__optional">optional</span></p></div> </div><p>JavaScript or CSS code to inject.</p> <p><strong>Warning:</strong> Be careful using the <code translate="no" dir="ltr">code</code> parameter. Incorrect use of it may open your extension to <a href="https://en.wikipedia.org/wiki/Cross-site_scripting">cross site scripting</a> attacks</p> </li><li class="stack"> <div> <div class="dcc-code-sections__label" id="property-InjectDetails-cssOrigin">cssOrigin</div> <div class="dcc-type--xsmall"><p class="dcc-code-sections__icon dcc-code-sections__icon--object"><a href="#type-CSSOrigin">CSSOrigin</a>&nbsp;<span class="dcc-code-sections__optional">optional</span></p></div> </div><div class="pad-top-200"> <div><span class="dcc-tag-pill--blue dcc-tag-pill" title="Available from this Chrome version and higher">Chrome 66+ </span></div> </div><p>The <a href="https://www.w3.org/TR/css3-cascade/#cascading-origins">origin</a> of the CSS to inject. This may only be specified for CSS, not JavaScript. Defaults to <code translate="no" dir="ltr">&quot;author&quot;</code>.</p> </li><li class="stack"> <div> <div class="dcc-code-sections__label" id="property-InjectDetails-file">file</div> <div class="dcc-type--xsmall"><p class="dcc-code-sections__icon dcc-code-sections__icon--string">string&nbsp;<span class="dcc-code-sections__optional">optional</span></p></div> </div><p>JavaScript or CSS file to inject.</p> </li><li class="stack"> <div> <div class="dcc-code-sections__label" id="property-InjectDetails-frameId">frameId</div> <div class="dcc-type--xsmall"><p class="dcc-code-sections__icon dcc-code-sections__icon--number">number&nbsp;<span class="dcc-code-sections__optional">optional</span></p></div> </div><div class="pad-top-200"> <div><span class="dcc-tag-pill--blue dcc-tag-pill" title="Available from this Chrome version and higher">Chrome 50+ </span></div> </div><p>The <a href="https://developer.chrome.com/docs/extensions/reference/webNavigation/#frame_ids">frame</a> where the script or CSS should be injected. Defaults to 0 (the top-level frame).</p> </li><li class="stack"> <div> <div class="dcc-code-sections__label" id="property-InjectDetails-matchAboutBlank">matchAboutBlank</div> <div class="dcc-type--xsmall"><p class="dcc-code-sections__icon dcc-code-sections__icon--boolean">boolean&nbsp;<span class="dcc-code-sections__optional">optional</span></p></div> </div><p>If matchAboutBlank is true, then the code is also injected in about:blank and about:srcdoc frames if your extension has access to its parent document. Code cannot be inserted in top-level about:-frames. By default it is <code translate="no" dir="ltr">false</code>.</p> </li><li class="stack"> <div> <div class="dcc-code-sections__label" id="property-InjectDetails-runAt">runAt</div> <div class="dcc-type--xsmall"><p class="dcc-code-sections__icon dcc-code-sections__icon--object"><a href="#type-RunAt">RunAt</a>&nbsp;<span class="dcc-code-sections__optional">optional</span></p></div> </div><p>The soonest that the JavaScript or CSS will be injected into the tab. Defaults to &quot;document_idle&quot;.</p> </li></ul> </div><div> <div class="notranslate"> <h3 id="type-RunAt" data-text="RunAt" tabindex="-1">RunAt</h3> </div><div class=""> <div><span class="dcc-tag-pill--blue dcc-tag-pill" title="Available from this Chrome version and higher">Chrome 44+ </span></div> </div><p>The soonest that the JavaScript or CSS will be injected into the tab.</p> </div><div class="dcc-code-sections"><h4 class="dcc-type--label dcc-code-sections__mode" id="enum_5" data-text="Enum" tabindex="-1">Enum</h4><div class="dcc-code-sections__overline dcc-code-sections__label"> <p><span style="white-space: nowrap;"><p class="dcc-code-sections__icon dcc-code-sections__icon--stringdcc-code-sections__enum"><span class="dcc-code-sections__value">&quot;document_start&quot;</span> <br> <span class="dcc-type--xsmall" style="white-space: initial">Script is injected after any files from css, but before any other DOM is constructed or any other script is run.</span></p></span><span style="white-space: nowrap;"><p class="dcc-code-sections__icon dcc-code-sections__icon--stringdcc-code-sections__enum"><span class="dcc-code-sections__value">&quot;document_end&quot;</span> <br> <span class="dcc-type--xsmall" style="white-space: initial">Script is injected immediately after the DOM is complete, but before subresources like images and frames have loaded.</span></p></span><span style="white-space: nowrap;"><p class="dcc-code-sections__icon dcc-code-sections__icon--stringdcc-code-sections__enum"><span class="dcc-code-sections__value">&quot;document_idle&quot;</span> <br> <span class="dcc-type--xsmall" style="white-space: initial">The browser chooses a time to inject the script between &quot;document_end&quot; and immediately after the <code translate="no" dir="ltr">window.onload</code> event fires. The exact moment of injection depends on how complex the document is and how long it is taking to load, and is optimized for page load speed. Content scripts running at &quot;document_idle&quot; don't need to listen for the <code translate="no" dir="ltr">window.onload</code> event; they are guaranteed to run after the DOM completes. If a script definitely needs to run after <code translate="no" dir="ltr">window.onload</code>, the extension can check if <code translate="no" dir="ltr">onload</code> has already fired by using the <code translate="no" dir="ltr">document.readyState</code> property.</span></p></span></p> </div> </div></div></div> </p> </div> <devsite-thumb-rating position="footer"> </devsite-thumb-rating> <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>. 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