@asyncio.coroutine
def async_volume_down(self):
    'Volume down the media player.'
    assert ((yield from self._server.Input.ExecuteAction('volumedown')) == 'OK')
Volume down the media player.
@asyncio.coroutine
def async_volume_down(self):
    
    assert ((yield from self._server.Input.ExecuteAction('volumedown')) == 'OK')