A data object containing authorization information about the subscriber.
Mac Catalyst 13.0–13.0Deprecated
May contain nil if no token is available.
The carrier API obtains this token from a carrier-provided server. The token authenticates your app to a server provided by the carrier, to prove that your app is running on a device owned by the subscriber.
An implementation-defined identifier used to correlate this subscriber with information vended by other APIs.
This documentation contains preliminary information about an API or technology in development. This information is subject to change, and software implemented according to this documentation should be tested with final operating system software.