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Flow validation in PowerApps

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Posted on by JohnOReilly34

Hi,

I would like to move to a suceess screen when I run a flow and when the flow doesn't run, I'd like to go to another screen (unsuccessful).

I think I've done the success part correctly but I'm not sure how I do the unsuccessful screen part.

On select I've the following:

I changed it to this but it always jumps to the unsuccessful screen.

If(PApps_BCard_Create_Contact.Run(paramFirstName,paramLastName,paramCompany,paramMobile,paramJobTitle,paramEmail,paramAddress,paramAkadTitel,TakenPhoto,Dropdown.Selected.Value);Navigate('Success Screen',ScreenTransition.Fade),true); If(PApps_BCard_Create_Contact.Run(paramFirstName,paramLastName,paramCompany,paramMobile,paramJobTitle,paramEmail,paramAddress,paramAkadTitel,TakenPhoto,Dropdown.Selected.Value);Navigate('Success Screen_1',ScreenTransition.Fade),false)

Any ideas please? Thanks for any help.

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Building Power Apps

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Pstork1 69,661 Most Valuable Professional on at

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First, you need to setup a Respond to PowerApps action in the Flow that returns a True or False depending on whether the flow worked or not. That result will have a name, I called mine Result. So this is the formula that worked for me.
If(FlowReturnValue.Run(your parameters here).result = "True",Navigate(SuccessScreen,ScreenTransition.Fade),Navigate(FailureScreen,ScreenTransition.Fade))
The IF statement will call the Flow and evaluate the returned result value as either True or False. If True it will navigate to success, if False it will navigate to failure.
JohnOReilly34 44 on at

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Hi,

Thanks. Would you be able to share a screenshot of your flow please?

Thank you
Pstork1 69,661 Most Valuable Professional on at

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My Flow was very short. Just the essentials to call the Flow and then return the value.
caseyroot 21 on at

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This is very helpful and logical, except I cannot get the syntax right...
It's not liking the ".return="true", portion of the formula.
Pstork1 69,661 Most Valuable Professional on at

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In PowerApps you need to save the response in a variable or collection and then access it via the variablename.return
caseyroot 21 on at

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Can you provide screen shots or walk me through this? Not having much luck on my own.
Pstork1 69,661 Most Valuable Professional on at

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Can you show me the REspond to Power Apps action at the end of your Flow?
caseyroot 21 on at

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Absolutely, it's the same as your screen shot in your setup instructions.
Pstork1 69,661 Most Valuable Professional on at

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Not sure what to tell you then. If you look at my first post you can see what I put in my powerApp to have it respond to the Flow return value. Not sure why it isn't doing that in yours.
caseyroot 21 on at

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Well it was something simple, I had to delete my Power Automate from Power Apps and re-add it. Now I can see the variable.
Thanks for this post and your help!