'Create a zone (multi-room)  and play on selected devices.
:param slaves: slaves on which to play'

def create_zone(self, slaves):

    if (not slaves):
        _LOGGER.warning('Unable    to    create    zone    without    slaves')
    else:
        _LOGGER.info(('Creating    zone    with    master    ' + str(self.device.config.name)))
        self.device.create_zone([slave.device for slave in slaves])
