Power Apps: Flow Output Returning Boolean Instead of Number

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Posted on by SP-07081657-0

I am using Power Apps in conjunction with Power Automate to create a workflow. I have a button in Power Apps with the following OnSelect property:

Set(myOutput, CallMS2Flow.Run(Value(Lenght.Text)))

The CallMS2Flow is a Power Automate flow that is supposed to return a numerical value. However, when I hover over myOutput, it indicates that the data type is boolean. Because of this, I am unable to pass the myOutput value into a Text input, such as myOutput.def.

The flow has this output:

The schema for the flow output is:

{

"type": "object",

"properties": {

"def": {

"title": "def",

"x-ms-dynamically-added": true,

"type": "number"

}

}

}

How can I correctly capture the numerical output from the flow and use it in Power Apps?

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Power Apps Pro Dev & ISV

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Anchov 1,986 on at

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My suggestion is to:
1. Refresh the data connection to your Power Automate, and see if that resolves your error:

2. Try to set your OnSelect property to:
Set(myOutput, CallMS2Flow.Run(Value(Lenght.Text)).def)

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venturemavenwill 1,198 Super User 2026 Season 1 on at

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This may be confusing but it is showing that myOutPut is a Boolean value because you defined myOutPut as the Power Automate run and not the output itself.

If you want to capture the output of a Power Automate run, you need to capture it immediately after running the flow, or in other words:

Set(myOutput, CallMS2Flow.Run(Value(Lenght.Text)).def)

This will allow you to run the flow and capture the response as defined.

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CU07111429-0 2 on at

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Thanks @Anchov

Point no 1 helped me. Refresh was needed.

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