Pass multiple values from PowerApps to Flow

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Posted on by Ludwig Reinhard

Hi,

I have a PowerApp with a combobox where a user can select 1 to n different companies.

I need to pass on those values to a Flow.

Because I don't know how many elements will be selected, I created a single compose element in Flow that should hold a string that separates the different companies by a comma.

The question is how to embed the different elements into the Flow run equation that is selected in the PowerApp?

The problem is that I can enter only a single text that I hardcoded in the following screen to "0100"

If I replace "0100" with the combobox selection then I get an error because of the multiple elements that are selected.

Question: Is there a way to put the different selected companies into a kind of container that I then enter in the Flow run equation?

Would be great if one could help.

Many thanks,

Ludwig

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Pstork1 68,319 Most Valuable Professional on at

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Re: Pass multiple values from PowerApps to Flow

Add the choices to a collection in Power Apps and pass the collection as a single array to the flow. Then either unpack the array or use an Apply to Each to process the parameters passed.

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Ludwig Reinhard on at

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Re: Pass multiple values from PowerApps to Flow

Hi Pstork1,
Can you help me with that?
How do I pass the collection as a single array?
If I enter the collection "CompaniesSelected" with the field "LegalEntityId" into the expression then I get an error message.
....Run(CompaniesSelected.LegalEntityId,
and if I try
....Run(CompaniesSelected
I also get an error
What's the trick that would pass this as a single array?
Best regards,
Ludwig

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v-litu-msft on at

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Re: Pass multiple values from PowerApps to Flow

Hi @lreinhard7,

There are some posts about how to pass a collection from PowerApps to Flow, you could have a reference to them firstly:

https://powerusers.microsoft.com/t5/Building-Power-Apps/Passing-the-PowerApps-Collection-to-MS-Flow/m-p/299054

https://powerusers.microsoft.com/t5/Building-Power-Apps/Using-ForAll-to-run-a-Flow-and-pass-in-parameters-from-a/m-p/449002

Best Regards,
Community Support Team _ Lin Tu
If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.

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Ludwig Reinhard on at

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Re: Pass multiple values from PowerApps to Flow

JSON seems to work like a charm 🙂
Many thanks for the help.
Ludwig

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