docs: def create_datafeed(self):
          ''' create datafeed '''
          response, status_code = self.__agent__.Datafeed.post_v4_datafeed_create(
              sessionToken=self.__session__,
              keyManagerToken=self.__keymngr__
          ).result()
          # return the token
          self.logger.debug('%s: %s' % (status_code, response))
          return status_code, response['id']