Handles notification-related interactions for your app or app extension.
- iOS 10.0+
- tvOS 10.0+
- watchOS 3.0+
UNUser protocol defines methods for responding to actionable notifications and receiving notifications while your app is in the foreground. You assign your delegate object to the
delegate property of the shared
UNUser object. The user notification center object calls methods of your delegate at appropriate times to deliver information.
For information about the user notification center object, see