Hi ckepner,
I am sorry for leading down the incorrect path with “SetAdditionalRevsionIDs”, I had misread your intentions for the script
As Patrick indicated, you can easily get the Description of a revision by using:
Revision.Description
Furthermore, I refer you to the below post when you do begin the process of creating the ViewSet:
https://forum.dynamobim.com/t/create-sheetset-from-sheet-grouping/1217