I have a form. Datacard1 contains dropdown of values from SP list column A which I used Distinct function to populate. For Datacard2 I want to reference the selected value from Datacard1 to look up value from SP List column B. I've tried:
LookUp(Filter('SP List',ColumnA=ColumnA_drpdwn.Selected.Result),ColumnB)
and
Distinct(Filter('SP List',ColumnA=ColumnA_drpdwn.Selected.Result),ColumnB)
Neither worked.