Hi All,
I am attempting to build a custom form within PowerApps for my sharepoint list 2 of my columns are lookups pointing to other lists. I want it so a field I am calling Root Cause Secondary filters based upon the value in Root Cause Primary. I have setup the Root Cause Secondary list with a column that has data that matches the secondary field. Below is the code I have attempted to use for this field in the Items area.
Filter(Choices([@'Major Incident Dashboard - Test'].Root_x0020_Cause_x0020_Secondary),Value in Filter('Root Cause Primary_DataCard1', Root_x0020_Cause_x0020_Primary = DataCardValue15.SelectedItems))

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