A control you can use to ask the accessory to identify itself.
- iOS 8.0+
- tvOS 10.0+
- watchOS 2.0+
Use the corresponding write-only Boolean value to ask the accessory to identify itself in the physical world. The identification mechanism, if supported, is specific to the accessory. For example, a light bulb might change state briefly, flashing on or off, to indicate that it has received this command.