docs: def SensorMetatagsPost(self, sensor_id, metatags, namespace = None):
          """
              Attach metatags to a sensor for a specific namespace
              
              @param sensor_id (int) - Id of the sensor to attach metatags to
              @param namespace (string) - Namespace for which to attach metatags
              @param metatags (dictionary) - Metatags to attach to the sensor
              
              @return (bool) - Boolean indicating whether SensorMetatagsPost was successful
          """
          ns = "default" if namespace is None else namespace
          if self.__SenseApiCall__("/sensors/{0}/metatags.json?namespace={1}".format(sensor_id, ns), "POST", parameters = metatags):
              return True
          else:
              self.__error__ = "api call unsuccessful"
              return False