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PowerFX Enabled Desktop Flow: Assign the Result of Concatenation to a Variable

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Posted on by Ipsifendus

In my desktop flow, I have a variable named "BatchNumber". Let's say it contains the string value "1234".

I want to construct the string "View Batch 1234 - Work - Microsoft Edge", using the BatchNumber variable, and store it in another variable. I cannot for the life of me figure out why this is so difficult. I have tried this a dozen different ways, and none of them produce the desired outcome.

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eetuRobo 4,583 Super User 2026 Season 2 on at

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Is this what you mean?
Concatenate Power FX:

SET Mode TO $fx' - Work - ' SET BatchNumber TO $fx'1234' SET ConcatenateSTRING TO $fx'=Concatenate("View Batch ", BatchNumber, Mode, "Microsoft Edge")'

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Ipsifendus 43 on at

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Yep, that's what I was after. So the rule with PowerFX is, equal sign, double quotes to contain literals, no percentage signs surrounding either the variable or the entire expression, correct?

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eetuRobo 4,583 Super User 2026 Season 2 on at

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Correct. Percentage signs are not used in the Power FX enabled version of pad.
Power FX reference guide:
https://learn.microsoft.com/en-us/power-platform/power-fx/formula-reference-desktop-flows

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