I'm writing these steps primarily for myself as a reference.  However, if someone else finds them useful to great. Adding XMPP framework to your server.  Initially I was going to add Prosody, however as I'm working off an Apache server with Centos 6.10 this quickly proved to a goal that was out of reach.  Instead, I pivoted and redirected to Erlang.   Is your server hardware running Linux, BSD, OS X, or Windows? Can you use Java or Python or another language if the server...

If you are like me you probably have searched for clues to and found little... particularly when confronted by the errors as you unravel how this works.  Okay a slight exaggeration, there are snipets of info that people have solved this annoying issue in  making comments work in Drupal 8 REST services. The lack of collective information in resolving issues has meant hours of debugging and working through core code to understand what is actually happening.  If you want to...