CBPeripheralManagerOptionRestoreIdentifierKey
A unique identifier (UID) with which to instantiate the peripheral manager.
Declaration
let CBPeripheralManagerOptionRestoreIdentifierKey: StringDiscussion
The value associated with this key is an NSString.
The system uses this UID to identify a specific peripheral manager. As a result, the UID must remain the same for subsequent executions of the app for successful restoration of the peripheral manager.