Combo box or dropdown component - value input property

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Posted on by SFRSDL

I'm trying to create a few custom components but i'm stuck on creating either a combo box or a dropdown.

I've created the input properties so a user can select items, defaults etc.

However I have an issue where if using it for a table of items, the combo box or a dropdown will only display the "value" column, so if the table/collection being used doesn't have a "value" column, it wont display anything.

When creating the component, I can't find anyway to create a property for "value", which is what I need so the user can enter their chosen column to display in the dropdown.

Does anyone know a workaround for this?

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Building Power Apps

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BCBuizer 22,505 Super User 2025 Season 2 on at

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Hi @SFRSDL,

Personally I found it quite challenging to work with dynamic schema's for components, so the most effecive workaround may be to work with a static schema and then make sure the passed schema matches it.

A way to do that is using the RenameColumns function to rename the name of the column to display to "value": AddColumns, DropColumns, RenameColumns, and ShowColumns functions - Power Platform | Microsoft Learn

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SFRSDL 11 on at

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I've found out how to fix this if you're using a single column.

say we have table of

ClearCollect(myCollection, {Val: "red", ID: 1}, {Val: "green", ID: 2}, {Val: "blue", ID: 3} )

Usually this would not work since we dont have a "Value" column, but for the Items of the component you can use the following:

ForAll(myCollection,*the column you want to display*)

e.g

ForAll(myCollection,ID)

ForAll(myCollection,Val)

This will allow the display of any column in the collection.

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