def on_disconnect(self, callback, *args, **kwargs):
        self._on_disconnect.append((callback, args, kwargs))
Send the previous track command.
dataset/ETHPy150Open abourget/pyramid_socketio/pyramid_socketio/io.py/SocketIOContext.on_disconnect--crossover with--dataset/ETHPy150Open home-assistant/home-assistant/homeassistant/components/media_player/denon.py/DenonDevice.media_previous_track