code: def _CreateFeed(client):
    
    # Get the FeedService.
    feed_service = client.GetService('FeedService', version='v201809')
  
    # Create operation.
    operation = {
        # Create the feed.
        'operand': {
            'name': 'DSA Feed %s' % uuid.uuid4(),
            # Create attributes.
            'attributes': [
                {'type': 'URL_LIST', 'name': 'Page URL'},
                {'type': 'STRING_LIST', 'name': 'Label'}
            ],
            'origin': 'USER'
        },
        'operator': 'ADD'
    }
  
    # Add the feed.
    feed = feed_service.mutate([operation])['value'][0]
    return _DSAFeedDetails(feed['id'], feed['attributes'][0]['id'],
                           feed['attributes'][1]['id'])
docs: Creates the feed for DSA page URLs.
  
    Args:
      client: an AdWordsClient instance.
  
    Returns:
      A _DSAFeedDetails instance containing details about the created feed.