Dear Trish, Basically, you're trying to go four 'hops' - from task, to project, to last note, to owner. While you can get four hops in a column, you can only do three hops in a filter. To go beyond that, you need to use EXISTS. The details on this can be found at:
https://experience.workfront.com/s/article/Create-Complex-Text-Mode-Filters-Using-EXISTS-Statements-... So you need to replace the two highlighted lines with: EXISTS:A:$$EXISTSMOD=NOTEXISTS EXISTS:A:$$OBJCODE=PROJ EXISTS:A:ID=FIELD:projectID EXISTS:A:lastNote:ownerID=$$USER.ID Note that if any other reviewer/approver ALSO posts a question, this logic won't work as your person is no longer the author of the last note, even though the last note isn't answering their question. It also means if the project owner replies "I'm not sure. I'll check and get back to you" or anything similar, the approval will appear back in their list. I would think training the user to only post updates on the task would be a more robust solution. Barry Buchanan - WMA Work Management Australia