Invoked when you discover the included services of a specified service.
- iOS 5.0+
- macOS 10.7+
- tvOS 9.0+
- watchOS 4.0+
- Core Bluetooth
The peripheral providing this information.
CBServiceobject containing the included service.
If an error occurred, the cause of the failure.
This method is invoked when you app calls the
discover method. If the included services of the specified service are successfully discovered, you can access them through the service’s
included property. If successful, the
error parameter is
nil. If unsuccessful, the
error parameter returns the cause of the failure.