An object providing information about the device used to send the request. The device object contains both deviceId and supportedInterfaces properties. The deviceId property uniquely identifies the device. The supportedInterfaces property lists each interface that the device supports. For example, if supportedInterfaces includes AudioPlayer {}, then you know that the device supports streaming audio using the AudioPlayer interface.
An object providing information about the device used to send the request. The device object contains both deviceId and supportedInterfaces properties. The deviceId property uniquely identifies the device. The supportedInterfaces property lists each interface that the device supports. For example, if supportedInterfaces includes AudioPlayer {}, then you know that the device supports streaming audio using the AudioPlayer interface.