async def METHOD_NAME(self, hash, args, argsh):
    await super().METHOD_NAME(hash, args, argsh)
    set_list_conf = {"update": {}}
    await self.set_set_config(set_list_conf)
    if len(args) < 4:
        return "Usage: define devname fhempy wienerlinien <STOPID>"
    self._stopid = args[3]
    self.api = WienerlinienAPI(self._stopid)
    self._updateloop = self.create_async_task(self.update_loop())
    # delete all readings on define
    self.create_async_task(fhem.CommandDeleteReading(hash, hash["NAME"] + " .*"))