NSIdentityUsageDescriptionDictionary
A dictionary that contains messages that explain why your app is requesting identity information.
Discussion
Use this key when you have multiple scenarios for requesting identity information from a person. Provide a description string for each use case, and key each entry with a string that you define. For example, if your app needs age verification for one feature and identity verification for another, use a separate dictionary entry for each purpose. In each description string, describe the reason the feature requires identity information.
The following image shows two description strings that use NSIdentityUsageDescriptionDictionary.
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For more information about requesting identity information, see Requesting identity data from a Wallet pass. For design guidance, see Human Interface Guidelines > Technologies > Wallet.