Can you post the full code for your repeating section? I just noticed this earlier post: Randall S. said: When the sheet is opened, it triggers and all the rows update. It is just when the row is first created that it doesn't trigger. I get the sense that the row isn't really registered until after something happens. I notice, for instance, that, if you create a row with the Add button, and then tab away, the row disappears, unless you have altered one of the items in the row. So I think i need either a way to manually enter the row id from ChatSetAttr, or some way to forcibly refresh the repeating section. This is normal behaviour. This is exactly how repeating sections work. Until you actually create or update something inside the repeating section, it doesnt really exist. The Add button doesnt actually save a new row, it just creates the fields for you, which you then need to enter something for the row to be saved. Having default values in an attribute usually solves that problem. That said, I don't understand why sheet:opened seems to be working, but the change: entry isnt - if one works, both should work, which is why I need the html to test.