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Power Apps Deep Linking from one app to another not working

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Posted on by Community Power Pla... Microsoft Employee

Hello,

I am building an app that is meant to serve as a central hub app that will allow the user to navigate to several smaller apps that use the same data source. I would like for the user to be able to click a button within the main app and be transported to a specific record within the target app.

I have set a variable using Employee ID and the target app pulls the correct Employee ID in the URL but does not navigate to the specific record. Here's my setup for the main app:

OnStart: Set(varEmpID, Value(Param("EmpID")));
If (varEmpID <> 0, Set(varRecord, LookUp('Data Source', ID = varEmpID)))
Items: Search('Data Source',TextSearchBox1.Text,"Title")

Next Arrow: Set(varRecord, ThisItem); Navigate(DetailScreen1)

Here's my setup for the target app:

OnStart: Set(varEmpID, Value(Param("EmpID")));
If (varEmpID <> 0, Set(varRecord, LookUp('Data Source', ID = varEmpID));Navigate(DetailScreen1))

Items: Search('Data Source',TextSearchBox1.Text,"Title")

For both apps the Visible field of the start screen gallery is set to True and OnSelect is set to Navigate(DetailScreen1, ScreenTransition.None)

On both apps I also have the retired feature "Enable Navigation Function in App.OnStart" toggled on as well.

Any help on this is really appreciated.

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Building Power Apps

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RandyHayes 76,299 Super User 2024 Season 1 on at

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@Anonymous

This would be a good time to embrace the new StartScreen property of the app.

Looking at the Target app...

StartScreen property formula:

If(!IsBlank(Param("EmpID")), DetailScreen1)

In the OnStart:

Set(varEmpID, IsError(Value(Param("EmpID")), 0)); Set(varRecord, LookUp('Data Source', ID = varEmpID))

If no param is passed, then varRecord will be blank. No need to check with an If statement.

If your Detail screen is a form to display the record, then make sure the Item property of your form is varRecord

NOW...for your main app, I am not seeing where you are redirecting the user to the target app. You only are navigating to a detail screen. So, I am not sure your intentions there.

I hope this is helpful for you.

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Community Power Pla... Microsoft Employee on at

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Hi @RandyHayes , thanks for your quick reply.

So far the start screen formula looks good, for the OnStart formula I'm getting the following error:
Set(varEmpID, IsError(Value(Param("EmpID")), 0)); Set(varRecord, LookUp('Consultant Status Data Source', ID = varEmpID))
where "IsError(Value(Param("EmpID")), 0)" returns "Invalid number of arguments: received 2, expected 1."

Also you're right, I forgot to include the launch formula. From the main app, the button has the following OnSelect property:
Launch("https://apps.powerapps.com/play/ed4b48f9-6e6a-4b63-a845-c010a9509f39?tenantId=1bfdb7d0-7a06-490b-a64c-29d7d645ad82EmpID=" &varRecord.ID &"")

Thanks again

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RandyHayes 76,299 Super User 2024 Season 1 on at

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@Anonymous

What the F?...yes the F is what I mistyped. 🤣🤣 IfError, not IsError!!

Formula should have been:

Set(varEmpID, IfError(Value(Param("EmpID")), 0)); Set(varRecord, LookUp('Consultant Status Data Source', ID = varEmpID))

Sorry about that.

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Community Power Pla... Microsoft Employee on at

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Hey @RandyHayes ,

Haha. That resolved the error message but I'm still being taken to the browse screen of the app, it's still failing to launch to a specific page/record.

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RandyHayes 76,299 Super User 2024 Season 1 on at

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@Anonymous

When you say "I'm still being taken to the browse screen of the app" - are you saying the browse screen of the target app or the main app?

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Community Power Pla... Microsoft Employee on at

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@RandyHayes

The browse screen of the target app. The launch function is opening the target app, the code is in place, and the URL of the target app has the corresponding employee's ID at the end, but it still fails to open to the detail screen as it should.

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