Define audience data | Privacy Sandbox

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href="/privacy-sandbox/private-advertising" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising" ><span class="devsite-nav-text" tooltip>About private advertising</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>Start your integration</span> </div></li> <li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Web</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/setup/web" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/setup/web" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/setup/web" ><span class="devsite-nav-text" tooltip>Overview</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/setup/web/chrome-facilitated-testing" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/setup/web/chrome-facilitated-testing" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/setup/web/chrome-facilitated-testing" ><span class="devsite-nav-text" tooltip>Chrome-facilitated testing</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/setup/web/relevance-testing" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/setup/web/relevance-testing" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/setup/web/relevance-testing" ><span class="devsite-nav-text" tooltip>Relevance APIs testing guidance</span></a></li></ul></div></li> <li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Android</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/setup/android" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/setup/android" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/setup/android" ><span class="devsite-nav-text" tooltip>Overview</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/setup/android/setup" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/setup/android/setup" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/setup/android/setup" ><span class="devsite-nav-text" tooltip>Set up your development environment</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/setup/android/setup-api-access" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/setup/android/setup-api-access" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/setup/android/setup-api-access" ><span class="devsite-nav-text" tooltip>Configure AdServices</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/setup/android/download" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/setup/android/download" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/setup/android/download" ><span class="devsite-nav-text" tooltip>Set up a device or emulator image</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/setup/android/setup-device-access" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/setup/android/setup-device-access" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/setup/android/setup-device-access" ><span class="devsite-nav-text" tooltip>Configure devices to use Privacy Sandbox on Android</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/setup/android/troubleshooting" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/setup/android/troubleshooting" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/setup/android/troubleshooting" ><span class="devsite-nav-text" tooltip>Troubleshoot your setup</span></a></li></ul></div></li> <li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Enrollment</span> </div></li> <li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/enrollment" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/enrollment" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/enrollment" ><span class="devsite-nav-text" tooltip>Enroll your platform with Privacy Sandbox</span></a></li> <li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/enrollment/faqs" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/enrollment/faqs" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/enrollment/faqs" ><span class="devsite-nav-text" tooltip>Frequently asked questions</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>Ads lifecycle</span> </div></li> <li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/manage-ad-audience" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/manage-ad-audience" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/manage-ad-audience" ><span class="devsite-nav-text" tooltip>Audiences</span></a></li> <li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/manage-ad-auctions" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/manage-ad-auctions" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/manage-ad-auctions" ><span class="devsite-nav-text" tooltip>Auctions</span></a></li> <li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/measure-ad-performance" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/measure-ad-performance" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/measure-ad-performance" ><span class="devsite-nav-text" tooltip>Performance</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>Topics</span> </div></li> <li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/topics" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/topics" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/topics" ><span class="devsite-nav-text" tooltip>Overview</span></a></li> <li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/topics/why-topics" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/topics/why-topics" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/topics/why-topics" ><span class="devsite-nav-text" tooltip>Why do we need Topics</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>Topics API for Web</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/topics/web" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/topics/web" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/topics/web" ><span class="devsite-nav-text" tooltip>Overview</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/topics/web/setup" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/topics/web/setup" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/topics/web/setup" ><span class="devsite-nav-text" tooltip>Setup</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/topics/web/implement" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/topics/web/implement" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/topics/web/implement" ><span class="devsite-nav-text" tooltip>Implement Topics</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/topics/web/test-and-go-live" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/topics/web/test-and-go-live" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/topics/web/test-and-go-live" ><span class="devsite-nav-text" tooltip>Test & go live</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/topics/web/tooling" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/topics/web/tooling" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/topics/web/tooling" ><span class="devsite-nav-text" tooltip>Tooling</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/topics/web/controls" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/topics/web/controls" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/topics/web/controls" ><span class="devsite-nav-text" tooltip>Customization & opt-out</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/topics/web/support" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/topics/web/support" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/topics/web/support" ><span class="devsite-nav-text" tooltip>Support</span></a></li></ul></div></li> <li class="devsite-nav-item devsite-nav-expandable devsite-nav-experimental"><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>Topics API for Android</span><span class="devsite-nav-icon material-icons" data-icon="experimental" data-title="Experimental!" aria-hidden="true"></span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/topics/android" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/topics/android" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/topics/android" ><span class="devsite-nav-text" tooltip>Overview</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/topics/android/implement" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/topics/android/implement" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/topics/android/implement" ><span class="devsite-nav-text" tooltip>Implement Topics</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/topics/android/controls" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/topics/android/controls" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/topics/android/controls" ><span class="devsite-nav-text" tooltip>Customization & opt-out</span></a></li></ul></div></li> <li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Protected Audience</span> </div></li> <li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Web</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/protected-audience" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/protected-audience" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/protected-audience" ><span class="devsite-nav-text" tooltip>Overview</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/protected-audience-api/feature-status" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/protected-audience-api/feature-status" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/protected-audience-api/feature-status" ><span class="devsite-nav-text" tooltip>Status of pending API capabilities</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>Developer guide</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/protected-audience-api" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/protected-audience-api" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/protected-audience-api" ><span class="devsite-nav-text" tooltip>Overview</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/protected-audience-api/protected-audience-experiment" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/protected-audience-api/protected-audience-experiment" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/protected-audience-api/protected-audience-experiment" ><span class="devsite-nav-text" tooltip>Experiment</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/protected-audience-api/ad-auction" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/protected-audience-api/ad-auction" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/protected-audience-api/ad-auction" ><span class="devsite-nav-text" tooltip>Seller guide - Run ad auctions</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/protected-audience-api/reporting" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/protected-audience-api/reporting" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/protected-audience-api/reporting" ><span class="devsite-nav-text" tooltip>Auction reporting</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/protected-audience-api/guide/reporting-id" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/protected-audience-api/guide/reporting-id" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/protected-audience-api/guide/reporting-id" ><span class="devsite-nav-text" tooltip>Reporting IDs</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/protected-audience-api/latency" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/protected-audience-api/latency" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/protected-audience-api/latency" ><span class="devsite-nav-text" tooltip>Improve auction latency</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/protected-audience-api/reports" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/protected-audience-api/reports" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/protected-audience-api/reports" ><span class="devsite-nav-text" tooltip>Report on auction results</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/sequential-auction-setup" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/sequential-auction-setup" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/sequential-auction-setup" ><span class="devsite-nav-text" tooltip>Sequential auction setup with header bidding and multi-seller Protected Audience auction</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/protected-audience-api/troubleshoot" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/protected-audience-api/troubleshoot" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/protected-audience-api/troubleshoot" ><span class="devsite-nav-text" tooltip>Troubleshoot</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/protected-audience-api/opt-out" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/protected-audience-api/opt-out" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/protected-audience-api/opt-out" ><span class="devsite-nav-text" tooltip>Opt out</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/protected-audience-api/k-anonymity" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/protected-audience-api/k-anonymity" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/protected-audience-api/k-anonymity" ><span class="devsite-nav-text" tooltip>K-anonymity</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/protected-audience-api/publisher-guide" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/protected-audience-api/publisher-guide" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/protected-audience-api/publisher-guide" ><span class="devsite-nav-text" tooltip>Publisher guide</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/define-audience-data" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/define-audience-data" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/define-audience-data" ><span class="devsite-nav-text" tooltip>Define audience data</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/update-audience-data" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/update-audience-data" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/update-audience-data" ><span class="devsite-nav-text" tooltip>Update audience data and refresh ads</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/delegate-audience-management" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/delegate-audience-management" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/delegate-audience-management" ><span class="devsite-nav-text" tooltip>Delegate audience management to a third-party</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/auction/configure-auction" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/auction/configure-auction" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/auction/configure-auction" ><span class="devsite-nav-text" tooltip>Set up an ad auction on the publisher's page</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/auction/single-seller-auction" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/auction/single-seller-auction" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/auction/single-seller-auction" ><span class="devsite-nav-text" tooltip>Run a browser based auction with a single seller</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/auction/multi-seller-auction" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/auction/multi-seller-auction" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/auction/multi-seller-auction" ><span class="devsite-nav-text" tooltip>Run a browser based auction with multiple sellers</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/auction/sequential-auction" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/auction/sequential-auction" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/auction/sequential-auction" ><span class="devsite-nav-text" tooltip>Sequential auction setup with contextual ad auction</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/auction/render-ad" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/auction/render-ad" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/auction/render-ad" ><span class="devsite-nav-text" tooltip>Render an ad</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/auction/bid-in-auction-ad-slot" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/auction/bid-in-auction-ad-slot" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/auction/bid-in-auction-ad-slot" ><span class="devsite-nav-text" tooltip>Bid in an auction to buy an ad slot</span></a></li><li class="devsite-nav-item devsite-nav-external"><a href="https://docs.google.com/document/d/1b6YlL5CFVfCo6hHMqfOYp2WJNdsBTSvM4eayrmbm7e4/view" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: https://docs.google.com/document/d/1b6YlL5CFVfCo6hHMqfOYp2WJNdsBTSvM4eayrmbm7e4/view" track-type="bookNav" track-name="click" track-metadata-eventdetail="https://docs.google.com/document/d/1b6YlL5CFVfCo6hHMqfOYp2WJNdsBTSvM4eayrmbm7e4/view" ><span class="devsite-nav-text" tooltip>API walkthrough</span><span class="devsite-nav-icon material-icons" data-icon="external" data-title="External" aria-hidden="true"></span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/topics-in-audiences" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/topics-in-audiences" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/topics-in-audiences" ><span class="devsite-nav-text" tooltip>Use Topics to target an audience</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>Use cases</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/protected-audience-api/use-case/deals" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/protected-audience-api/use-case/deals" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/protected-audience-api/use-case/deals" ><span class="devsite-nav-text" tooltip>Deals</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/auction/pace-ad-delivery" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/auction/pace-ad-delivery" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/auction/pace-ad-delivery" ><span class="devsite-nav-text" tooltip>Pace ad delivery by frequency</span></a></li></ul></div></li></ul></div></li> <li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Android</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/protected-audience/android" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/protected-audience/android" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/protected-audience/android" ><span class="devsite-nav-text" tooltip>Overview</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/protected-audience/android/mediation" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/protected-audience/android/mediation" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/protected-audience/android/mediation" ><span class="devsite-nav-text" tooltip>Mediation</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/protected-audience/android/frequency-capping" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/protected-audience/android/frequency-capping" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/protected-audience/android/frequency-capping" ><span class="devsite-nav-text" tooltip>Frequency capping</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/protected-audience/android/appinstall-filtering" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/protected-audience/android/appinstall-filtering" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/protected-audience/android/appinstall-filtering" ><span class="devsite-nav-text" tooltip>App install ads filtering</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>Developer guide</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/protected-audience/android/developer-guide" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/protected-audience/android/developer-guide" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/protected-audience/android/developer-guide" ><span class="devsite-nav-text" tooltip>Protected Audience developer guide</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/protected-audience/android/developer-guide/fetch-and-join" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/protected-audience/android/developer-guide/fetch-and-join" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/protected-audience/android/developer-guide/fetch-and-join" ><span class="devsite-nav-text" tooltip>Join Custom Audience Delegation</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/protected-audience/android/developer-guide/profiling" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/protected-audience/android/developer-guide/profiling" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/protected-audience/android/developer-guide/profiling" ><span class="devsite-nav-text" tooltip>Profile a Protected Audience auction</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/protected-audience/android/developer-guide/debug-reporting" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/protected-audience/android/developer-guide/debug-reporting" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/protected-audience/android/developer-guide/debug-reporting" ><span class="devsite-nav-text" tooltip>Debug reporting</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/protected-audience/android/developer-guide/inspect_audiences_cli" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/protected-audience/android/developer-guide/inspect_audiences_cli" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/protected-audience/android/developer-guide/inspect_audiences_cli" ><span class="devsite-nav-text" tooltip>Inspect custom audiences on the command line</span></a></li></ul></div></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/protected-audience/android/integration-guide" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/protected-audience/android/integration-guide" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/protected-audience/android/integration-guide" ><span class="devsite-nav-text" tooltip>Integration guide</span></a></li><li class="devsite-nav-item"><a href="https://developer.android.com/design-for-safety/privacy-sandbox/reference/packages" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: https://developer.android.com/design-for-safety/privacy-sandbox/reference/packages" track-type="bookNav" track-name="click" track-metadata-eventdetail="https://developer.android.com/design-for-safety/privacy-sandbox/reference/packages" ><span class="devsite-nav-text" tooltip>API reference</span></a></li></ul></div></li> <li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Protected App Signals</span> </div></li> <li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/protected-audience/android/protected-app-signals" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/protected-audience/android/protected-app-signals" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/protected-audience/android/protected-app-signals" ><span class="devsite-nav-text" tooltip>Overview for Android</span></a></li> <li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/protected-audience/android/protected-app-signals-developer-guide" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/protected-audience/android/protected-app-signals-developer-guide" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/protected-audience/android/protected-app-signals-developer-guide" ><span class="devsite-nav-text" tooltip>Developer guide</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>Bidding and Auction services</span> </div></li> <li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/protected-audience/android/bidding-and-auction-services" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/protected-audience/android/bidding-and-auction-services" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/protected-audience/android/bidding-and-auction-services" ><span class="devsite-nav-text" tooltip>Overview</span></a></li> <li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/protected-audience/android/bidding-and-auction-integration" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/protected-audience/android/bidding-and-auction-integration" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/protected-audience/android/bidding-and-auction-integration" ><span class="devsite-nav-text" tooltip>Integration and optimization</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>Fenced frames</span> </div></li> <li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/fenced-frame" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/fenced-frame" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/fenced-frame" ><span class="devsite-nav-text" tooltip>Overview for Web</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>Attribution Reporting</span> </div></li> <li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Web</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/attribution-reporting" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/attribution-reporting" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/attribution-reporting" ><span class="devsite-nav-text" tooltip>Overview</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/attribution-reporting/attribution-reporting-updates" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/attribution-reporting/attribution-reporting-updates" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/attribution-reporting/attribution-reporting-updates" ><span class="devsite-nav-text" tooltip>API updates</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/attribution-reporting/chrome-shipping" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/attribution-reporting/chrome-shipping" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/attribution-reporting/chrome-shipping" ><span class="devsite-nav-text" tooltip>Why Chrome shipped the Attribution Reporting API</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/attribution-reporting/system-overview" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/attribution-reporting/system-overview" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/attribution-reporting/system-overview" ><span class="devsite-nav-text" tooltip>System overview</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/attribution-reporting/summary-reports" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/attribution-reporting/summary-reports" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/attribution-reporting/summary-reports" ><span class="devsite-nav-text" tooltip>Generate summary reports</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/attribution-reporting/report-schedules" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/attribution-reporting/report-schedules" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/attribution-reporting/report-schedules" ><span class="devsite-nav-text" tooltip>Report schedules</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/attribution-reporting/constraints" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/attribution-reporting/constraints" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/attribution-reporting/constraints" ><span class="devsite-nav-text" tooltip>Constraints</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>Developer guide</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/attribution-reporting/dev-guide" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/attribution-reporting/dev-guide" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/attribution-reporting/dev-guide" ><span class="devsite-nav-text" tooltip>Overview</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/attribution-reporting/getting-started" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/attribution-reporting/getting-started" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/attribution-reporting/getting-started" ><span class="devsite-nav-text" tooltip>Get started</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/attribution-reporting/register-attribution-source" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/attribution-reporting/register-attribution-source" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/attribution-reporting/register-attribution-source" ><span class="devsite-nav-text" tooltip>Register an attribution source</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/attribution-reporting/register-attribution-trigger" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/attribution-reporting/register-attribution-trigger" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/attribution-reporting/register-attribution-trigger" ><span class="devsite-nav-text" tooltip>Register triggers</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/attribution-reporting/enable-conversion-measurement" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/attribution-reporting/enable-conversion-measurement" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/attribution-reporting/enable-conversion-measurement" ><span class="devsite-nav-text" tooltip>Enable conversion measurement</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/attribution-reporting/change-attribution-logic" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/attribution-reporting/change-attribution-logic" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/attribution-reporting/change-attribution-logic" ><span class="devsite-nav-text" tooltip>Change attribution logic</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/attribution-reporting/define-filters" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/attribution-reporting/define-filters" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/attribution-reporting/define-filters" ><span class="devsite-nav-text" tooltip>Define filters</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/attribution-reporting/prevent-duplication" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/attribution-reporting/prevent-duplication" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/attribution-reporting/prevent-duplication" ><span class="devsite-nav-text" tooltip>Prevent duplication</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/attribution-reporting/custom-report-windows" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/attribution-reporting/custom-report-windows" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/attribution-reporting/custom-report-windows" ><span class="devsite-nav-text" tooltip>Custom report windows</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/attribution-reporting/attribution-reporting-debugging" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/attribution-reporting/attribution-reporting-debugging" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/attribution-reporting/attribution-reporting-debugging" ><span class="devsite-nav-text" tooltip>Introduction to debug reports</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/attribution-reporting/attribution-reporting-debugging/part-2" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/attribution-reporting/attribution-reporting-debugging/part-2" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/attribution-reporting/attribution-reporting-debugging/part-2" ><span class="devsite-nav-text" tooltip>Set up debug reports</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/attribution-reporting/attribution-reporting-debugging/part-3" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/attribution-reporting/attribution-reporting-debugging/part-3" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/attribution-reporting/attribution-reporting-debugging/part-3" ><span class="devsite-nav-text" tooltip>Debugging cookbook</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/attribution-reporting/summary-reports-intro" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/attribution-reporting/summary-reports-intro" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/attribution-reporting/summary-reports-intro" ><span class="devsite-nav-text" tooltip>Introduction to summary reports</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/attribution-reporting/contribution-budget" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/attribution-reporting/contribution-budget" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/attribution-reporting/contribution-budget" ><span class="devsite-nav-text" tooltip>Contribution budget</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/attribution-reporting/aggregation-keys" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/attribution-reporting/aggregation-keys" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/attribution-reporting/aggregation-keys" ><span class="devsite-nav-text" tooltip>Aggregation keys</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/attribution-reporting/understanding-noise" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/attribution-reporting/understanding-noise" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/attribution-reporting/understanding-noise" ><span class="devsite-nav-text" tooltip>Understand noise</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/attribution-reporting/working-with-noise" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/attribution-reporting/working-with-noise" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/attribution-reporting/working-with-noise" ><span class="devsite-nav-text" tooltip>Work with noise</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/attribution-reporting/design-decisions" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/attribution-reporting/design-decisions" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/attribution-reporting/design-decisions" ><span class="devsite-nav-text" tooltip>Noiselab</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/attribution-reporting/measurement-implementation-guide" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/attribution-reporting/measurement-implementation-guide" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/attribution-reporting/measurement-implementation-guide" ><span class="devsite-nav-text" tooltip>Measurement implementation guide</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/attribution-reporting/measurement-testing-guide" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/attribution-reporting/measurement-testing-guide" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/attribution-reporting/measurement-testing-guide" ><span class="devsite-nav-text" tooltip>Measurement testing guide</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/attribution-reporting/attribution-reporting-data-clearing" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/attribution-reporting/attribution-reporting-data-clearing" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/attribution-reporting/attribution-reporting-data-clearing" ><span class="devsite-nav-text" tooltip>Data clearing</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/attribution-reporting/cross-web-app" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/attribution-reporting/cross-web-app" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/attribution-reporting/cross-web-app" ><span class="devsite-nav-text" tooltip>Cross app and web measurement</span></a></li></ul></div></li></ul></div></li> <li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Android</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/attribution-reporting/android" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/attribution-reporting/android" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/attribution-reporting/android" ><span class="devsite-nav-text" tooltip>Overview</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/attribution-reporting/android/attribution-app-to-web" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/attribution-reporting/android/attribution-app-to-web" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/attribution-reporting/android/attribution-app-to-web" ><span class="devsite-nav-text" tooltip>Cross app and web measurement</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/attribution-reporting/android/simulation-library" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/attribution-reporting/android/simulation-library" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/attribution-reporting/android/simulation-library" ><span class="devsite-nav-text" tooltip>Measurement Simulation Library</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>Developer guide</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/attribution-reporting/android/developer-guide" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/attribution-reporting/android/developer-guide" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/attribution-reporting/android/developer-guide" ><span class="devsite-nav-text" tooltip>Overview</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/attribution-reporting/cross-web-app" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/attribution-reporting/cross-web-app" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/attribution-reporting/cross-web-app" ><span class="devsite-nav-text" tooltip>Cross app and web measurement</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/attribution-reporting/android/xna-examples" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/attribution-reporting/android/xna-examples" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/attribution-reporting/android/xna-examples" ><span class="devsite-nav-text" tooltip>Cross-network attribution examples</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/attribution-reporting/android/integration-guide" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/attribution-reporting/android/integration-guide" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/attribution-reporting/android/integration-guide" ><span class="devsite-nav-text" tooltip>Integration guide</span></a></li></ul></div></li><li class="devsite-nav-item"><a href="https://developer.android.com/design-for-safety/privacy-sandbox/reference/packages" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: https://developer.android.com/design-for-safety/privacy-sandbox/reference/packages" track-type="bookNav" track-name="click" track-metadata-eventdetail="https://developer.android.com/design-for-safety/privacy-sandbox/reference/packages" ><span class="devsite-nav-text" tooltip>API reference</span></a></li></ul></div></li> <li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Private Aggregation</span> </div></li> <li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/private-aggregation" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/private-aggregation" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/private-aggregation" ><span class="devsite-nav-text" tooltip>Overview for Web</span></a></li> <li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/private-aggregation/fundamentals" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/private-aggregation/fundamentals" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/private-aggregation/fundamentals" ><span class="devsite-nav-text" tooltip>Fundamentals</span></a></li> <li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/private-aggregation/private-aggregation-experiment" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/private-aggregation/private-aggregation-experiment" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/private-aggregation/private-aggregation-experiment" ><span class="devsite-nav-text" tooltip>Experiment</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 cases</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/private-aggregation/unique-reach" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/private-aggregation/unique-reach" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/private-aggregation/unique-reach" ><span class="devsite-nav-text" tooltip>Measure unique reach</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/private-aggregation/k-freq-reach" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/private-aggregation/k-freq-reach" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/private-aggregation/k-freq-reach" ><span class="devsite-nav-text" tooltip>Measure K+ frequency reach</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/private-aggregation/user-demographics" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/private-aggregation/user-demographics" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/private-aggregation/user-demographics" ><span class="devsite-nav-text" tooltip>Measure user demographic</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/private-aggregation/multi-touch-attribution" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/private-aggregation/multi-touch-attribution" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/private-aggregation/multi-touch-attribution" ><span class="devsite-nav-text" tooltip>Multi-touch attribution</span></a></li></ul></div></li> <li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Aggregation Service</span> </div></li> <li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/aggregation-service" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/aggregation-service" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/aggregation-service" ><span class="devsite-nav-text" tooltip>Overview</span></a></li> <li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/aggregation-service/get-started" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/aggregation-service/get-started" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/aggregation-service/get-started" ><span class="devsite-nav-text" tooltip>Get Started</span></a></li> <li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/aggregation-service/coordinators-ags-purpose" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/aggregation-service/coordinators-ags-purpose" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/aggregation-service/coordinators-ags-purpose" ><span class="devsite-nav-text" tooltip>Coordinator's Purpose In Aggregation Service</span></a></li> <li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/aggregation-service/privacy-protection-report-strategy" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/aggregation-service/privacy-protection-report-strategy" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/aggregation-service/privacy-protection-report-strategy" ><span class="devsite-nav-text" tooltip>Privacy Protections & Report Strategy</span></a></li> <li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/aggregation-service/operate-ags" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/aggregation-service/operate-ags" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/aggregation-service/operate-ags" ><span class="devsite-nav-text" tooltip>Operate Aggregation Service</span></a></li> <li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/aggregation-service/receive-store-aggregatable-reports" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/aggregation-service/receive-store-aggregatable-reports" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/aggregation-service/receive-store-aggregatable-reports" ><span class="devsite-nav-text" tooltip>Receive & Store Aggregatable Reports</span></a></li> <li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/aggregation-service/understand-ags-api" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/aggregation-service/understand-ags-api" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/aggregation-service/understand-ags-api" ><span class="devsite-nav-text" tooltip>Understand the API</span></a></li> <li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/aggregation-service/batch-strategies" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/aggregation-service/batch-strategies" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/aggregation-service/batch-strategies" ><span class="devsite-nav-text" tooltip>Batch Strategies</span></a></li> <li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/aggregation-service/load-testing-framework" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/aggregation-service/load-testing-framework" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/aggregation-service/load-testing-framework" ><span class="devsite-nav-text" tooltip>Load Testing Framework</span></a></li> <li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/aggregation-service/tos" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/aggregation-service/tos" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/aggregation-service/tos" ><span class="devsite-nav-text" tooltip>Terms of Service</span></a></li> <li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Shared Storage</span> </div></li> <li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/shared-storage" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/shared-storage" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/shared-storage" ><span class="devsite-nav-text" tooltip>Overview for Web</span></a></li> <li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/shared-storage/content-selection" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/shared-storage/content-selection" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/shared-storage/content-selection" ><span class="devsite-nav-text" tooltip>URL selection</span></a></li> <li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/shared-storage/api-walkthrough" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/shared-storage/api-walkthrough" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/shared-storage/api-walkthrough" ><span class="devsite-nav-text" tooltip>API walkthrough</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 cases</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/shared-storage/creative-rotation" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/shared-storage/creative-rotation" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/shared-storage/creative-rotation" ><span class="devsite-nav-text" tooltip>Rotate ad creatives</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/shared-storage/creative-selection-by-frequency" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/shared-storage/creative-selection-by-frequency" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/shared-storage/creative-selection-by-frequency" ><span class="devsite-nav-text" tooltip>Select ad creative by frequency</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/shared-storage/ab-testing" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/shared-storage/ab-testing" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/shared-storage/ab-testing" ><span class="devsite-nav-text" tooltip>Run A/B testing</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/shared-storage/known-customer" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/shared-storage/known-customer" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/shared-storage/known-customer" ><span class="devsite-nav-text" tooltip>Customize experience for known customers</span></a></li></ul></div></li> <li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/shared-storage/try-the-demo" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/shared-storage/try-the-demo" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/shared-storage/try-the-demo" ><span class="devsite-nav-text" tooltip>Try the demo</span></a></li> <li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/shared-storage/debugging" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/shared-storage/debugging" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/shared-storage/debugging" ><span class="devsite-nav-text" tooltip>Debugging</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>SDK Runtime</span> </div></li> <li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/sdk-runtime" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/sdk-runtime" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/sdk-runtime" ><span class="devsite-nav-text" tooltip>Overview for Android</span></a></li> <li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/sdk-runtime/ui-presentation" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/sdk-runtime/ui-presentation" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/sdk-runtime/ui-presentation" ><span class="devsite-nav-text" tooltip>UI presentation APIs</span></a></li> <li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/sdk-runtime/viewability" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/sdk-runtime/viewability" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/sdk-runtime/viewability" ><span class="devsite-nav-text" tooltip>Viewability</span></a></li> <li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/sdk-runtime/backward-compatibility" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/sdk-runtime/backward-compatibility" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/sdk-runtime/backward-compatibility" ><span class="devsite-nav-text" tooltip>Backward compatibility</span></a></li> <li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/sdk-runtime/full-screen-ads" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/sdk-runtime/full-screen-ads" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/sdk-runtime/full-screen-ads" ><span class="devsite-nav-text" tooltip>Full-screen ads</span></a></li> <li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/sdk-runtime/native-ads" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/sdk-runtime/native-ads" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/sdk-runtime/native-ads" ><span class="devsite-nav-text" tooltip>Native ads</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>Developer guide</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/sdk-runtime/developer-guide" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/sdk-runtime/developer-guide" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/sdk-runtime/developer-guide" ><span class="devsite-nav-text" tooltip>Overview</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/sdk-runtime/developer-guide/key-concepts" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/sdk-runtime/developer-guide/key-concepts" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/sdk-runtime/developer-guide/key-concepts" ><span class="devsite-nav-text" tooltip>Key concepts</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/sdk-runtime/developer-guide/dev-environment" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/sdk-runtime/developer-guide/dev-environment" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/sdk-runtime/developer-guide/dev-environment" ><span class="devsite-nav-text" tooltip>Set up your developer environment</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/sdk-runtime/developer-guide/build-re-sdk" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/sdk-runtime/developer-guide/build-re-sdk" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/sdk-runtime/developer-guide/build-re-sdk" ><span class="devsite-nav-text" tooltip>Build a Runtime-Enabled SDK</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/sdk-runtime/developer-guide/consume-re-sdk" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/sdk-runtime/developer-guide/consume-re-sdk" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/sdk-runtime/developer-guide/consume-re-sdk" ><span class="devsite-nav-text" tooltip>Consume the Runtime-Enabled SDK</span></a></li><li class="devsite-nav-item"><a href="/privacy-sandbox/private-advertising/sdk-runtime/developer-guide/build-test" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /privacy-sandbox/private-advertising/sdk-runtime/developer-guide/build-test" track-type="bookNav" track-name="click" track-metadata-eventdetail="/privacy-sandbox/private-advertising/sdk-runtime/developer-guide/build-test" ><span class="devsite-nav-text" tooltip>Build and test</span></a></li></ul></div></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-article-meta nocontent" role="navigation"> <ul class="devsite-breadcrumb-list" aria-label="Breadcrumb"> <li class="devsite-breadcrumb-item "> <a href="https://developers.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="" > Home </a> </li> <li class="devsite-breadcrumb-item "> <div class="devsite-breadcrumb-guillemet material-icons" aria-hidden="true"></div> <a href="https://developers.google.com/privacy-sandbox" 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="Privacy Sandbox" > Privacy Sandbox </a> </li> <li class="devsite-breadcrumb-item "> <div class="devsite-breadcrumb-guillemet material-icons" aria-hidden="true"></div> <a href="https://developers.google.com/privacy-sandbox/private-advertising" 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="" > Private advertising </a> </li> </ul> <devsite-thumb-rating position="header"> </devsite-thumb-rating> </div> <devsite-feedback position="header" project-name="Privacy Sandbox" product-id="5335444" 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" disable-product-feedback project-icon="https://developers.google.com/static/privacy-sandbox/assets/images/privacy-sandbox-logo.png" > <button> Send feedback </button> </devsite-feedback> <h1 class="devsite-page-title" tabindex="-1"> Define audience data </h1> <devsite-feature-tooltip ack-key="AckCollectionsBookmarkTooltipDismiss" analytics-category="Site-Wide Custom Events" analytics-action-show="Callout Profile displayed" analytics-action-close="Callout Profile dismissed" analytics-label="Create Collection Callout" class="devsite-page-bookmark-tooltip nocontent" dismiss-button="true" id="devsite-collections-dropdown" dismiss-button-text="Dismiss" close-button-text="Got it"> <devsite-bookmark></devsite-bookmark> <span slot="popout-heading"> Stay organized with collections </span> <span slot="popout-contents"> Save and categorize content based on your preferences. </span> </devsite-feature-tooltip> <div class="devsite-page-title-meta"><devsite-view-release-notes></devsite-view-release-notes></div> <devsite-toc class="devsite-nav" depth="2" devsite-toc-embedded > </devsite-toc> <div class="devsite-article-body clearfix "> <p>Learn how to define an audience by creating an interest group using the Protected Audience API. Read the <a href="/privacy-sandbox/relevance/protected-audience-api">developer guide</a> for the full lifecycle of the Protected Audience API, and refer to the Protected Audience API explainer for an in-depth proposal of how <a href="https://github.com/WICG/turtledove/blob/main/FLEDGE.md#1-browsers-record-interest-groups">browsers record interest groups</a>.</p> <p>Not a developer? Refer to the <a href="/privacy-sandbox/relevance/protected-audience">Protected Audience API overview</a>.</p> <h2 id="protected_audience_api_interest_groups" data-text="Protected Audience API interest groups" tabindex="-1">Protected Audience API interest groups</h2> <p>A Protected Audience API interest group represents a group of people with a common interest, corresponding to a <a href="/privacy-sandbox/resources/glossary#remarketing">remarketing</a> list. Every Protected Audience API interest group has an <a href="/privacy-sandbox/relevance/protected-audience#interest-group-types">owner</a>.</p> <p>Interest group owners act as the buyer in the Protected Audience API ad auction. Interest group membership is stored by the browser, on the user's device, and is not shared with the browser vendor or anyone else.</p> <h2 id="api_functions" data-text="API functions" tabindex="-1">API functions</h2> <h3 id="joinadinterestgroup" data-text="joinAdInterestGroup()" tabindex="-1"><code translate="no" dir="ltr">joinAdInterestGroup()</code></h3> <p>The advertiser's demand-side platform (DSP) or the advertiser itself calls <code translate="no" dir="ltr">navigator.joinAdInterestGroup()</code> to ask the browser to add an interest group to the browser's membership list.</p> <p>The origin of the calling context for <code translate="no" dir="ltr">joinAdInterestGroup()</code> must match the interest group owner's origin, so <code translate="no" dir="ltr">joinAdInterestGroup()</code> will need to be called from an iframe (for example, from a DSP) unless the origin of the interest group owner matches the origin of the current document (for example, a website with its own interest groups).</p> <p><code translate="no" dir="ltr">joinAdInterestGroup()</code> requires permission from:</p> <ul> <li>The <a href="#visited-site-permission">site being visited</a></li> <li>The interest group owner</li> </ul> <p>This means it's not possible for <code translate="no" dir="ltr">malicious.example</code> to call <code translate="no" dir="ltr">joinAdInterestGroup()</code> for an interest group owned by <code translate="no" dir="ltr">dsp.example.com</code>, without <code translate="no" dir="ltr">dsp.example.com</code> granting permission.</p> <h4 id="visited-site-permission" data-text="Permission from the visited site" tabindex="-1">Permission from the visited site</h4> <p>Permission can be granted from the same origin or cross-origin. By default, permission is granted for <code translate="no" dir="ltr">joinAdInterestGroup()</code> calls from the same origin as the site visited, (in other words, from the same origin as the top-level frame of the current page).</p> <h4 id="example_usage" data-text="Example usage" tabindex="-1">Example usage</h4> <p>Here's an example of how one might define an interest group and ask the browser to join the group.</p> <div></div><devsite-code><pre class="devsite-click-to-copy" translate="no" dir="ltr" is-upgraded syntax="JavaScript"><code translate="no" dir="ltr"><span class="devsite-syntax-kd">const</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-nx">interestGroup</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-o">=</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-p">{</span> <span class="devsite-syntax-w"> </span><span class="devsite-syntax-nx">owner</span><span class="devsite-syntax-o">:</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-s1">'https://dsp.example'</span><span class="devsite-syntax-p">,</span> <span class="devsite-syntax-w"> </span><span class="devsite-syntax-nx">name</span><span class="devsite-syntax-o">:</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-s1">'custom-bikes'</span><span class="devsite-syntax-p">,</span> <span class="devsite-syntax-w"> </span><span class="devsite-syntax-nx">biddingLogicUrl</span><span class="devsite-syntax-o">:</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-p">...,</span> <span class="devsite-syntax-w"> </span><span class="devsite-syntax-nx">biddingWasmHelperUrl</span><span class="devsite-syntax-o">:</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-p">...,</span> <span class="devsite-syntax-w"> </span><span class="devsite-syntax-nx">updateUrl</span><span class="devsite-syntax-o">:</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-p">...,</span> <span class="devsite-syntax-w"> </span><span class="devsite-syntax-nx">trustedBiddingSignalsUrl</span><span class="devsite-syntax-o">:</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-p">...,</span> <span class="devsite-syntax-w"> </span><span class="devsite-syntax-nx">trustedBiddingSignalsKeys</span><span class="devsite-syntax-o">:</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-p">[</span><span class="devsite-syntax-s1">'key1'</span><span class="devsite-syntax-p">,</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-s1">'key2'</span><span class="devsite-syntax-p">],</span> <span class="devsite-syntax-w"> </span><span class="devsite-syntax-nx">userBiddingSignals</span><span class="devsite-syntax-o">:</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-p">{...},</span> <span class="devsite-syntax-w"> </span><span class="devsite-syntax-nx">ads</span><span class="devsite-syntax-o">:</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-p">[</span><span class="devsite-syntax-nx">bikeAd1</span><span class="devsite-syntax-p">,</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-nx">bikeAd2</span><span class="devsite-syntax-p">,</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-nx">bikeAd3</span><span class="devsite-syntax-p">],</span> <span class="devsite-syntax-w"> </span><span class="devsite-syntax-nx">adComponents</span><span class="devsite-syntax-o">:</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-p">[</span><span class="devsite-syntax-nx">customBike1</span><span class="devsite-syntax-p">,</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-nx">customBike2</span><span class="devsite-syntax-p">,</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-nx">bikePedal</span><span class="devsite-syntax-p">,</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-nx">bikeFrame1</span><span class="devsite-syntax-p">,</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-nx">bikeFrame2</span><span class="devsite-syntax-p">],</span> <span class="devsite-syntax-p">};</span> <span class="devsite-syntax-nx">navigator</span><span class="devsite-syntax-p">.</span><span class="devsite-syntax-nx">joinAdInterestGroup</span><span class="devsite-syntax-p">(</span><span class="devsite-syntax-nx">interestGroup</span><span class="devsite-syntax-p">,</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-mf">7</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-o">*</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-nx">kSecsPerDay</span><span class="devsite-syntax-p">);</span> </code></pre></devsite-code> <p>The <code translate="no" dir="ltr">interestGroup</code> object passed to the function must be no more than 50 kiB in size, otherwise the call will fail. The second parameter specifies the duration of the interest group, capped at 30 days. Successive calls overwrite previously stored values.</p> <aside class="key-point"><b>Key point:</b> All URLs used as parameters for Protected Audience API methods must be from secure origins: all resources must be served over HTTPS URLs. <a href="https://web.dev/articles/how-to-use-local-https">How to use HTTPS for local development</a> explains how to do this when running the Protected Audience API locally. In addition, <code translate="no" dir="ltr">biddingLogicUrl</code>, <code translate="no" dir="ltr">decisionLogicUrl</code>, and <code translate="no" dir="ltr">trustedBiddingSignals</code> require an <code translate="no" dir="ltr">X-Allow-FLEDGE: true</code> HTTP response header.</aside> <h4 id="interest-group-properties" data-text="Required properties" tabindex="-1">Required properties</h4> <p>The only required properties for interest groups are <code translate="no" dir="ltr">owner</code> and <code translate="no" dir="ltr">name</code>:</p> <div class="w-table-wrapper"> <table class="w-table--top-align width-full"> <thead> <tr> <th style="font-weight: bold; text-align: left;">Property</th> <th style="font-weight: bold; text-align: left;">Example</th> <th style="font-weight: bold; text-align: left;">Role</th> </tr> </thead> <tbody> <tr> <td style="vertical-align: top;"><code translate="no" dir="ltr">owner</code></td> <td style="vertical-align: top;"><code translate="no" dir="ltr">https://dsp.example</code></td> <td style="vertical-align: top;">Origin of the interest group owner.</td> </tr> <tr> <td style="vertical-align: top;"><code translate="no" dir="ltr">name</code></td> <td style="vertical-align: top;"><code translate="no" dir="ltr">custom-bikes</code></td> <td style="vertical-align: top;">Name of the interest group.</td> </tr> </tbody> </table> </div> <h4 id="optional_properties" data-text="Optional properties" tabindex="-1">Optional properties</h4> <p>The remaining properties are optional:</p> <dl> <dt><code translate="no" dir="ltr">biddingLogicUrl</code><sup><a href="#first-ref">1</a>, <a href="#second-ref">2</a></sup></dt> <dd>Example: <code translate="no" dir="ltr">https://dsp.example/bid/custom-bikes/bid.js</code></dd> <dd>Role: URL for bidding JavaScript run in worklet.</dd> <dt><code translate="no" dir="ltr">biddingWasmHelperUrl</code><sup><a href="#first-ref">1</a>, <a href="#second-ref">2</a></sup></dt> <dd>Example: <code translate="no" dir="ltr">https://dsp.example/bid/custom-bikes/bid.wasm</code></dd> <dd>Role: URL for WebAssembly code driven from <code translate="no" dir="ltr">biddingLogicUrl</code>.</dd> <dt><code translate="no" dir="ltr">updateUrl</code><sup><a href="#second-ref">2</a></sup></dt> <dd>Example: <code translate="no" dir="ltr">https://dsp.example/bid/custom-bikes/update</code></dd> <dd>Role: URL that returns JSON to update interest group attributes. (See <a href="/privacy-sandbox/relevance/update-audience-data">Update audience data and refresh ads</a>.)</dd> <dt><code translate="no" dir="ltr">trustedBiddingSignalsUrl</code><sup><a href="#second-ref">2</a></sup></dt> <dd>Example: <code translate="no" dir="ltr">https://dsp.example/trusted/bidding-signals</code></dd> <dd>Role: Base URL for key-value requests to bidder's trusted Key/Value service.</dd> <dt><code translate="no" dir="ltr">trustedBiddingSignalsKeys</code></dt> <dd>Example: <code translate="no" dir="ltr">['key1', 'key2' ...]</code></dd> <dd>Role: Keys for requests to key-value trusted Key/Value service.</dd> <dt><code translate="no" dir="ltr">userBiddingSignals</code></dt> <dd>Example: <code translate="no" dir="ltr">{...}</code></dd> <dd>Role: Additional metadata the owner can use during bidding.</dd> <dt><code translate="no" dir="ltr">ads</code><sup><a href="#first-ref">1</a></sup></dt> <dd>Example: <code translate="no" dir="ltr">[bikeAd1, bikeAd2, bikeAd3]</code></dd> <dd>Role: Ads that might be rendered for this interest group.</dd> <dt><code translate="no" dir="ltr">adComponents</code></dt> <dd>Example: <code translate="no" dir="ltr">[customBike1, customBike2, bikePedal, bikeFrame1, bikeFrame2]</code></dd> <dd>Role: Components for <a href="https://github.com/WICG/turtledove/blob/main/FLEDGE.md#34-ads-composed-of-multiple-pieces">ads composed of multiple pieces</a>.</dd> </dl> <p><caption style="text-align:left"> <p id="first-ref"><sup>1</sup> The <code translate="no" dir="ltr">biddingLogicUrl</code> and <code translate="no" dir="ltr">ads</code> properties are optional, but required to participate in an auction. There may be use cases for creating an interest group without these properties: for example, an interest group owner might want to add a browser to an interest group for a campaign that isn't running yet, or for some other future use, or they may temporarily have run out of advertising budget.</p></p> <p><p id="second-ref"><sup>2</sup> In the current implementation of the Protected Audience API, <code translate="no" dir="ltr">biddingLogicUrl</code>, <code translate="no" dir="ltr">biddingWasmHelperUrl</code>, <code translate="no" dir="ltr">updateUrl</code>, and <code translate="no" dir="ltr">trustedBiddingSignalsUrl</code> must have the same origin as owner. That may not be a long-term constraint, and the <code translate="no" dir="ltr">ads</code> and <code translate="no" dir="ltr">adComponents</code> URLs have no such constraint.</p> </caption></p> <h4 id="specify_ads_for_an_interest_group" data-text="Specify ads for an interest group" tabindex="-1">Specify ads for an interest group</h4> <p><code translate="no" dir="ltr">ads</code> and <code translate="no" dir="ltr">adComponents</code> objects include a URL for an ad creative and, optionally, arbitrary metadata that can be used at bidding time.</p> <p>For example:</p> <div></div><devsite-code><pre class="devsite-click-to-copy" translate="no" dir="ltr" is-upgraded syntax="JavaScript"><code translate="no" dir="ltr"><span class="devsite-syntax-p">{</span> <span class="devsite-syntax-w"> </span><span class="devsite-syntax-nx">renderUrl</span><span class="devsite-syntax-o">:</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-s1">'https://cdn.example/.../bikeAd1.html'</span><span class="devsite-syntax-p">,</span> <span class="devsite-syntax-w"> </span><span class="devsite-syntax-nx">metadata</span><span class="devsite-syntax-o">:</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-nx">bikeAd1metadata</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-c1">// optional</span> <span class="devsite-syntax-p">}</span> </code></pre></devsite-code> <h3 id="leaveadinterestgroup" data-text="leaveAdInterestGroup()" tabindex="-1"><code translate="no" dir="ltr">leaveAdInterestGroup()</code></h3> <p>The interest group owner can request to a browser be removed from an interest group. The browser removes the interest group from its membership list.</p> <div></div><devsite-code><pre class="devsite-click-to-copy" translate="no" dir="ltr" is-upgraded syntax="JavaScript"><code translate="no" dir="ltr"><span class="devsite-syntax-nx">navigator</span><span class="devsite-syntax-p">.</span><span class="devsite-syntax-nx">leaveAdInterestGroup</span><span class="devsite-syntax-p">({</span> <span class="devsite-syntax-w"> </span><span class="devsite-syntax-nx">owner</span><span class="devsite-syntax-o">:</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-s1">'https://dsp.example'</span><span class="devsite-syntax-p">,</span> <span class="devsite-syntax-w"> </span><span class="devsite-syntax-nx">name</span><span class="devsite-syntax-o">:</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-s1">'custom-bikes'</span> <span class="devsite-syntax-p">});</span> </code></pre></devsite-code> <p>If a user returns to the site which asked the browser to add an interest group, the interest group owner can call the <code translate="no" dir="ltr">navigator.leaveAdInterestGroup()</code> function to request the browser remove the interest group.</p> <p>Code for an ad can also call this function for its interest group.</p> <h2 id="frequently_asked_questions" data-text="Frequently asked questions" tabindex="-1">Frequently asked questions</h2> <h3 id="whats_the_maximum_number_of_interest_groups_per_group_owner_for_a_single_user" data-text="What's the maximum number of interest groups per group owner for a single user?" tabindex="-1">What's the maximum number of interest groups per group owner for a single user?</h3> <p>Chrome allows up to 1000 interest groups per owner, and up to 1000 interest group owners. These limits are meant as guard rails, not to be hit in regular operation.</p> <h3 id="how_can_i_maximize_interest_group_ads_that_meet_𝑘-anon_thresholds" data-text="How can I maximize interest group ads that meet 𝑘-anon thresholds?" tabindex="-1">How can I maximize interest group ads that meet 𝑘-anon thresholds?</h3> <p>As the <a href="https://github.com/WICG/turtledove/blob/main/FLEDGE.md#12-interest-group-attributes">public explainer</a> notes, since a single interest group can carry multiple possible ads that it might show, the group will have an opportunity to re-bid another one of its ads to act as a "fallback ad" any time its most-preferred choice is below threshold. This means that a small, specialized ad that is still below the 𝑘-anonymity threshold could still choose to participate in auctions, and its interest group has a way to fall back to a more generic ad until the more specialized one has a large enough audience.</p> <p>From a tactical perspective, you may consider the following:</p> <ul> <li>To get a new ad to start showing, just start bidding with it in cases where you want it to show. There is nothing additional that you need to do.</li> <li>You can have a fallback ad that you use when new ads are not 𝑘-anon. There is some risk of your fallback ad itself not being 𝑘-anon, so you could consider sometimes just bidding with the fallback ad in the first place. Perhaps do this 1% of the time, for example, if that is a good level to ensure that you expect the fallback to stay over threshold.</li> </ul> <p>There has been some recent discussion of other ways things could work, so if you have some use case for which this mechanism would pose a problem, continue engaging in the public conversation about ways in which the API could improve.</p> <h2 id="all_protected_audience_api_references" data-text="All Protected Audience API references" tabindex="-1">All Protected Audience API references</h2> <p>API reference guides are available:</p> <ul> <li>Developer guide for the <a href="/privacy-sandbox/relevance/protected-audience-api">Protected Audience API</a>.</li> <li>Ad buyer guide to Protected Audience <a href="/privacy-sandbox/relevance/define-audience-data">interest groups and bid generation</a>.</li> <li>Ad seller guide to Protected Audience <a href="/privacy-sandbox/relevance/protected-audience-api/ad-auction">ad auctions</a>.</li> <li>Guide to <a href="/privacy-sandbox/relevance/protected-audience-api/reports">reporting auction results</a></li> <li>Best practices for Protected Audience <a href="/privacy-sandbox/relevance/protected-audience-api/latency">ad auction latency</a></li> <li><a href="/privacy-sandbox/relevance/protected-audience-api/troubleshoot">Troubleshoot Protected Audience</a></li> </ul> <p><a href="https://github.com/WICG/turtledove/blob/main/FLEDGE.md#summary">The Protected Audience API explainer</a> also provides detail about feature support and constraints.</p> </div> <devsite-recommendations display="in-page" hidden yield> </devsite-recommendations> <devsite-thumb-rating position="footer"> </devsite-thumb-rating> <devsite-feedback position="footer" project-name="Privacy Sandbox" product-id="5335444" bucket="" context="" version="t-devsite-webserver-20241114-r00-rc02.464922260396498922" data-label="Send Feedback Button" track-type="feedback" track-name="sendFeedbackLink" track-metadata-position="footer" class="nocontent" disable-product-feedback project-icon="https://developers.google.com/static/privacy-sandbox/assets/images/privacy-sandbox-logo.png" > <button> Send feedback </button> </devsite-feedback> <devsite-recommendations id="recommendations-link" yield></devsite-recommendations> <div class="devsite-floating-action-buttons"> </div> </article> <devsite-content-footer class="nocontent"> <p>Except as otherwise noted, the content of this page is licensed under the <a href="https://creativecommons.org/licenses/by/4.0/">Creative Commons Attribution 4.0 License</a>, and code samples are licensed under the <a href="https://www.apache.org/licenses/LICENSE-2.0">Apache 2.0 License</a>. 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