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最后更新时间 (UTC)：2022-12-19。
[null,null,["最后更新时间 (UTC)：2022-12-19。"],[[["This guide provides steps to implement the IDFA message within the User Messaging Platform (UMP) SDK for iOS apps."],["Before proceeding, complete the UMP Get Started guide and create an IDFA message in Ad Manager."],["Update your app's `Info.plist` to include the `NSUserTrackingUsageDescription` key explaining how you use the IDFA."],["Link the `AppTrackingTransparency` framework to enable the IDFA explainer message before the iOS system dialog."],["For testing purposes, reinstall the app to see the IDFA ATT dialog repeatedly, as it only appears once per install."]]],[]]