Asks an accessory to identify itself.
- iOS 8.0+
- tvOS 10.0+
- watchOS 2.0+
Block that is invoked once the request is processed.
nilon success; otherwise, error object indicating the reason for failure.
Accessories typically identify themselves by briefly doing something the user can see or hear. The behavior is specific to the device. For example, a light bulb might identify itself by briefly turning on if it is currently off, or by briefly dimming if it is currently on. This can help a user pinpoint one device among several that are similar.