ITMS-91053: Missing API declaration - Your app’s code in the file references one or more APIs that require reasons, including the following API categories: NSPrivacyAccessedAPICategoryUserDefaults

As per the apple doc, we can create xcprivacy property file and add required keys and values to fix this issue.

Apple DeveloperGet started with privacy manifests - WWDC23 - Videos - Apple DeveloperMeet privacy manifests: a new tool that helps you accurately identify the privacy practices of your app's dependencies. Find out how...

Apple Developer DocumentationDescribing use of required reason API | Apple Developer DocumentationEnsure your use of covered API is consistent with policy.

Apple Developer DocumentationPrivacy manifest files | Apple Developer DocumentationDescribe the data your app or third-party SDK collects and the reasons required APIs it uses.