Develop a iOS app in swift with below functionalities-
- On push notification the app should rename the contact in phone contact(native) list passed in push notification with the name specified in push notification. This should work in all app state(kill/foreground/background etc)
- The app must work on all iOS version above 11.
- Manage the push notification yourself. Do not use VoIP
- Provide the app with complete source code and sample payload
- project must be developed in xcode 11