Share functionality no longer includes a button that opens native sharing on Messenger as of August 2019. Facebook wants people to share content to Messenger using only the native sharing features that is built into their devices. Our share replies and buttons will continue to offer buttons to share to Facebook and twitter.
Facebook released these changes and a statement on them: "During F8 this year, we announced our plans to launch a lighter, better and simpler Messenger designed to build closer connections between people and businesses. As part of these efforts to thoughtfully prioritize features that best deliver this experience, we are announcing an additional set of feature changes to the Messenger Platform. "
What is the Messenger Codes Feature?
Share your Convo with a Messenger Code. When creating a convo, the Messenger Code was available for download.
Here's how it worked:
Open you Messenger camera, tap on the screen in order to scan a code and place a code at the center of circle:
After the code is scanned it leads you to Page and you are ready to chat