The user parameters provides details about a specific user based on the following parameters: User uid; The output of this query will return user profile data only of the fields containing data.  An example of the data returned includes, but is not limited to the following: Name {name} - in the system this is their username; Created {created} Firstname {field_firstname} Lastname {field_lastname} Gender {field_gender} Calling a query To call a user query the details are...

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...