Your question is Database-Centered System With 3rd Party. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
System design question had 2 boxes with a database in the center. The arrows between the 3 all pointed right, implying [App] -> [DB] -> [3rd party service] was how this system was supposed to work. The assumed ask was for an application to write to a DB, describe how the database would make a call to a 3rd party service to get a UUID and Body. It was made clear you have no control over [App] which writes to the database, only the database and whatever service would call the 3rd party service.