Edit button missing after changing update mode

[r_ismert]

Hi, 

My App has "Ideas" with several "Comments". I've built this using an AppSheet database, not the Sheet. With the default update settings I can navigate from an Idea detail view to a specific Comment and edit it.

 I'm trying to make sure that only the creator can edit it. If I change the Comment table update settings to check the user, the edit button goes away.

I tested by expression and got the results I expected:

There are no slices for the Comments table, no behaviors set for the Edit system generated action.

What am I doing wrong here?

[Marc_Dillon · Accepted solution]

Update mode affects the entire table. It also has no access to specific records and their column values. Set a similar expression in the Edit action's condition instead.

[r_ismert]

Thank you!