Hi @ace991 ,
Assuming you've already connected to both your SharePoint lists in your app, you can use a Lookup function to determine the visibility of the card.
If(
Lookup( ),
true, false
)
A simple example would be like this - in the lookup, put the list your Yes/No column is in and then the second argument would be if its Yes/No; the if statement will see whether if statement is true, then the visibility will be true, if not, it won't be visible.
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