docs: def send(self, payload):
          """
          Send a payload to exchange to containing command and payload to the queue specified in config.
          :param command: str: name of the command we want run by WorkQueueProcessor
          :param payload: str: string data that will be put into the exchange's message body
          :return Bool: True when delivery confirmed
          """
          result = self.connection.send_durable_exchange_message(self.exchange_name, payload)
          logging.info("Sent message to exchange.".format(self.exchange_name))
          return result