Fix names to avoid confusion
'session code'/'session key' <- the 9 digit number for the end user 'roomId' <-- the UUID for a room generated by the backend 'shortId' <-- the data model attribute name for the session key
'session code'/'session key' <- the 9 digit number for the end user 'roomId' <-- the UUID for a room generated by the backend 'shortId' <-- the data model attribute name for the session key