I am having difficulty creating a custom form.
I have the problem in this article (https://www.googlecloudcommunity.com/gc/AppSheet-Q-A/Form-View-Option-Row-key-Only-edit-one-specific...) but my struggle is that I cannot figure out how to write an expression that evaluates to the row ID / key. My goal is to tigger an action from a DETAIL view, that points to a custom FORM, with only a few columns from the DETAIL view that preceded it.
One of my big challenges is writing SELECT and FILTER expressions, and I don't think this is any different. I need help writing an expression that results in a row key column (which is named "Row ID" as I am using AppSheet database on the back end).
Can anyone help?
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