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Filter choices column based on other list with values that not exists two times

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Posted on by francescjp

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Hello:

I have created a sharepoint list called Agents. One column (HorariAgent) is based on other list "Horaris Agents", column "Horari".

I have created a powerapp to manage the Agents list.

In one form the column "HorariAgent" is represented by choice.

I need to filter this choice list. if the Horari value exists more than two times in Horari column of Agents table, item can't be showed in choice list . How can I get this?

Thanks in advance.

Francesc

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Building Power Apps

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Ami K 15,679 Super User 2024 Season 1 on at

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Hi @francescjp

This one is a bit headache inducing - add the below into the Items property:

With( { _choices_above_2: Distinct( Filter( DropColumns( AddColumns( GroupBy( AddColumns( Agents, "_choiceValue", HorariAgent.Value ), "_choiceValue", "grouped_items" ), "count_selected", CountRows(grouped_items) ), "grouped_items" ), count_selected > 2 ), _choiceValue ) }, Filter( Choices([@'Horaris Agents'].'HorariAgent'), Not(Value in _choices_above_2.Value) ) )

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