What are the limitations for the structured messages on FB messenger Gupshup Devsupport August 11, 2016 05:56 Facebook imposes certain limitations on what can be done with structured messages. Go through the guidelines listed in this guide. Related articles How can i test my bot on a local machine? How to set a custom greeting on Facebook Messenger? What is greeting message in Facebook and how do I set one? Comments 0 comments Please sign in to leave a comment.