[null,null,["上次更新時間:2025-02-25 (世界標準時間)。"],[[["This guide provides steps to integrate the IDFA message within the User Messaging Platform (UMP) SDK for iOS apps, specifically focusing on Apple's App Tracking Transparency (ATT) framework."],["Before proceeding, ensure you have completed the UMP SDK setup and created an IDFA message in AdMob."],["Update your app's `Info.plist` file by adding the `NSUserTrackingUsageDescription` key with a clear explanation of how you will use the IDFA, and link the `AppTrackingTransparency` framework for the UMP SDK to manage the ATT dialog."],["During testing, note that the IDFA ATT dialog appears only once per app installation; to retest, uninstall and reinstall the app on your device."]]],["To support the IDFA message with the UMP SDK, create and publish an IDFA explainer message in the AdMob UI. Update the `Info.plist` file by adding the `NSUserTrackingUsageDescription` key with a custom message. Link the `AppTrackingTransparency` framework. Remember, the IDFA ATT dialog appears only once unless the app is reinstalled. The UMP SDK can load a form only if the authorization status is `ATTrackingManagerAuthorizationStatusNotDetermined`.\n"]]