I’m on 7.10 and back with these requirements. The KB is gone so Edward’s links don’t work.  Because I’m stupid I still couldn’t get this to work despite reading the whole thread and Edward’s patient words again. After finally getting my head around it again I’m writing it once more so I can come back to it next time. It’s easy when you know how but I can bet in the stress of tech rehearsal I’ll forget the subtleties again... 1. Create the effect with the ICBSPE attributes as required,