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Filter a galley based on a column from other list

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Posted on by Community Power Pla... Microsoft Employee

Hello all,

I have a screen on a app where I present vehicle requests presented on a sharepoint list called "Vehicles". Then I have another list called "CheckIns" where I place the date time of check In.

I'm creating a screen where people will do check in and check out of the vehicle and what I want to do is to filter that gallery only for the requests who are blank on the checkOut column on CheckIns list.

I'm trying with look up but doesn't work:

Filter(Request, LookUp(CheckIns, IsBlank(CheckOut)) or Filter(Request, LookUp(CheckIns, CheckOut = "")

Some more hints to help visualize:

This is my Request list:

This is my CheckIns List: Request ID is a lookup column to ID from Request list

This is my gallery example:

Thanks in advance!

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Building Power Apps

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WarrenBelz 155,756 Most Valuable Professional on at

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Hi @Anonymous ,

Something like this should work - assuming these are the matching columns

Filter( AddColumns( Request, "Check_Out", LookUp( CheckIns, RequestID=ID ).Checkout ), Check_Out=Blank() )

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Community Power Pla... Microsoft Employee on at

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Hey, not working.
I need to do the addcolumns command? It's not possible directly through a lookup?

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WarrenBelz 155,756 Most Valuable Professional on at

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@Anonymous ,

If you want to filter by the field - yes you need to add the column. What is not working?

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