code: def update_campaign_metadata_list(self, campaign_id, **kwargs):  # noqa: E501
          
          kwargs['_return_http_data_only'] = True
          if kwargs.get('asynchronous'):
              return self.update_campaign_metadata_list_with_http_info(campaign_id, **kwargs)  # noqa: E501
          else:
              (data) = self.update_campaign_metadata_list_with_http_info(campaign_id, **kwargs)  # noqa: E501
              return data
docs: List all campaign device metadata  # noqa: E501
  
          Get campaign device metadata.  # noqa: E501
          This method makes a synchronous HTTP request by default. To make an
          asynchronous HTTP request, please pass asynchronous=True
          >>> thread = api.update_campaign_metadata_list(campaign_id, asynchronous=True)
          >>> result = thread.get()
  
          :param asynchronous bool
          :param str campaign_id: The update campaign ID (required)
          :param int limit: How many objects to retrieve in the page
          :param str order: ASC or DESC
          :param str after: The ID of the the item after which to retrieve the next page
          :param str include: A comma-separated list of data fields to return. Currently supported: total_count
          :return: CampaignDeviceMetadataPage
                   If the method is called asynchronously,
                   returns the request thread.