code: def update_outbox_fax(self, outbox_fax_id, payload_outbox_modification, **kwargs):  # noqa: E501
          
          kwargs['_return_http_data_only'] = True
          if kwargs.get('async'):
              return self.update_outbox_fax_with_http_info(outbox_fax_id, payload_outbox_modification, **kwargs)  # noqa: E501
          else:
              (data) = self.update_outbox_fax_with_http_info(outbox_fax_id, payload_outbox_modification, **kwargs)  # noqa: E501
              return data
docs: Modify a fax record in outbox  # noqa: E501
  
          Modify outbox record's comment  # noqa: E501
          This method makes a synchronous HTTP request by default. To make an
          asynchronous HTTP request, please pass async=True
          >>> thread = api.update_outbox_fax(outbox_fax_id, payload_outbox_modification, async=True)
          >>> result = thread.get()
  
          :param async bool
          :param str outbox_fax_id: (required)
          :param PayloadOutboxModification payload_outbox_modification: (required)
          :return: object
                   If the method is called asynchronously,
                   returns the request thread.