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If "Back" is empty or Blank go to a specific page

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Posted on by Charliemacdmv

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Hey Everyone,

I have an app that uses Param when a notification is clicked. It takes them to a page in the app with a Back button. But if it loads straight to that page there is no Back. Is there a way to formulate If "Back" is empty go to "Desired Page"?

Thanks!

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v-jefferni Microsoft Employee on at

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Hi @Charliemacdmv ,

When you say if "Back" is empty, do you mean if there is no Back button on that screen? Else how will a Button be empty?

Anyways, I think there is no way to detect if there is a Control on current screen or not. Alternatively, you can apply different variables on OnVisible of different screens, e.g.

Screen1

UpdateContext({Back: true})

Screen2

UpdateContext({Back: false})

Now you can use the context variable Back for Visible of the Button as well as determining whether to go to another screen.

Best regards,

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Charliemacdmv 235 on at

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@v-jefferni Thanks for the reply.

I got it working with this. I have a variable that captures if the Param is blank. Then I use the code below for the back button. Works great.
If(IsBlank(varItem),Back(),Navigate(Home))

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