I have two lists: List A and List B. List A has Project Number column (Single line of text) and List B has Project Number column (Lookup Column) pulling data from List A. For List B, I have SharePoint integrated form and in that form for Project Number(Lookup Column), I want to show only Project Numbers that are in List A but there is no existing item of same Project number in List B (i.e. the Project numbers that are in List A but not in List B). I need help in filetring the project Number. Should I create a collection for List B Project Number column so filtering doesn't impact the form performance. I am also trying to avoid delegation in Filtering the Project Column.
Any thoughts please. I appreciate any help on it.
[update: apologies, I thought this was the power automate forum]
Not sure if this will help in your case but someone on this forum provided this solution for me and it worked.
Basically, this is using the filter array action with advanced expression.
I needed to know what records are in secondlog that are not in firstlog.
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