code: private static void createFeedItems(
        AdWordsServicesInterface adWordsServices,
        AdWordsSession session,
        DSAFeedDetails feedDetails,
        String labelName)
        throws RemoteException {
      // Get the FeedItemService.
      FeedItemServiceInterface feedItemService =
          adWordsServices.get(session, FeedItemServiceInterface.class);
  
      // Create operations to add FeedItems.
      FeedItemOperation[] operations =
          new FeedItemOperation[] {
            createDsaUrlAddOperation(
                feedDetails, "http://www.example.com/discounts/rental-cars", labelName),
            createDsaUrlAddOperation(
                feedDetails, "http://www.example.com/discounts/hotel-deals", labelName),
            createDsaUrlAddOperation(
                feedDetails, "http://www.example.com/discounts/flight-deals", labelName),
          };
  
      FeedItemReturnValue result = feedItemService.mutate(operations);
      for (FeedItem item : result.getValue()) {
        System.out.printf("Feed item with feed item ID %d was added.%n", item.getFeedItemId());
      }
    }
docs: Creates the page URLs in the DSA page feed.