Weve enhanced the Publisher so it no longer requires you to create template bundles you can now use the simplified attachment model that stream.

publish uses. As we roll out the new Inbox over the next few weeks, well deprecate the old message attachment process.To integrate your apps into the new inbox, Facebook provides the following instructions1. Create a Publisher endpoint and enter its URL as the Attachment v2 Callback URL you specify on the Advanced tab in your application settings.