This article show how to include UserID and email address in watchlist
- Find the watchlist field, right click on the label and select Configure Dictionary
- Under related links select Advanced View
- Find Attribute field
- use the "ref_ac_columns" attribute to add the columns you want to show, in this case, UserID and email address. It would look like this: "ref_ac_columns=user_name;email,ref_auto_completer=AJAXTableCompleter"
Notice the ref_auto_completer=AJAXTableCompleter, this is needed to be able to see the extra columns.