code: def activate_vacation(self, endtime: datetime, temperature: float):
          
          data = {
              "endtime": endtime.strftime("%Y_%m_%d %H:%M"),
              "temperature": temperature,
          }
          return self._restCall("home/heating/activateVacation", json.dumps(data))
docs: activates the vatation mode until the given time
  
          Args:
              endtime(datetime): the time when the vatation mode should automatically be disabled
              temperature(float): the settemperature during the vacation mode