All, Have been using sup for a couple months and now that I feel comfortable with it I want to start customizing it. I am trying to take certain emails and lump them into a thread so I can keep track of the history Here is the code from my before-add-message.rb hook: if message.subj =~ /^\[ENV (PROD|TEST|DEV)\] Hourly ADDM report for instance (.*)/ message.add_ref $1 + "ADDM REPORTS - " + $2 message.add_label "report" message.add_label $1 end My add_label statements are working great, I just can't get the add_ref to work. I am not familiar with ruby at all, so I am hoping I am just missing something simple. Thanks. DLord