code: def set_limit(self, identifier, expires_at, blocking=False):
          
          self._limits[identifier] = (expires_at, blocking)
docs: Set a new global trigger or response limit
          :param identifier: The Trigger or Response object
          :type  identifier: parser.trigger.Trigger or parser.trigger.response.Response
  
          :param expires_at: The limit expiration as a Unix timestamp
          :type  expires_at: float
  
          :param blocking: When True and a limit is triggered, no other Trigger or Response's will be attempted
          :type  blocking: bool