def add_zone_slave(self, slaves):
    '\n        Add slave(s) to and existing zone (multi-room).\n\n        Zone must already exist and slaves array can not be empty.\n\n        :param slaves:slaves to add\n\n        '
    if (not slaves):
        _LOGGER.warning('Unable to find slaves to add')
    else:
        _LOGGER.info(('Adding slaves to zone with master ' + str(self.device.config.name)))
        self.device.add_zone_slave([slave.device for slave in slaves])
Add slave(s) to and existing zone (multi-room).

Zone must already exist and slaves array can not be empty.

:param slaves:slaves to add
def add_zone_slave(self, slaves):
    '\n        Add slave(s) to and existing zone (multi-room).\n\n        Zone must already exist and slaves array can not be empty.\n\n        :param slaves:slaves to add\n\n        '
    if (not slaves):
        _LOGGER.warning('Unable to find slaves to add')
    else:
        _LOGGER.info(('Adding slaves to zone with master ' + str(self.device.config.name)))
        self.device.add_zone_slave([slave.device for slave in slaves])