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Navigate to screen A if Sharepoint List has attachments, otherwise Navigate to screen B

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Posted on by Community Power Pla... Microsoft Employee

I have a power app with a list on Sharepoint. I am visualizing my list via a Gallery.

I want to put the select button of the Gallery to Navigate to different screens depending on whether I have an attachement or not in my list.

My formula for now at OnSelect is: If(MyList.'Has attachments' = true, Navigate('ScreenA'), Navigate('ScreenB')

But it does not work. The error is: Invalid argument type.

Any suggestions?

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Community Power Pla... Microsoft Employee on at

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Hello,

Take care with your Navigate formula.
You have to set in your formula the second parameter which is the transition (None, Cover, UnCover, CoverRight, UnCoverRight and Fade).

Don't forget to put a Select(Parent) before in your OnSelect Statement to select your item if you want to.

Does it work for you ? 🙂

Best regards,

Louis

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Community Power Pla... Microsoft Employee on at

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I still does not work. I did add the Fade. Please note that I did not capture in the picture the second Navigate, but its the same as the first one.
The equal sign (=) has a little red underscore. No idea why.

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Community Power Pla... Microsoft Employee on at

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I didn't notice in your formula the error you did.
On your OnSelect button, you dont have to compare the 'HasAttachments' variable of your SOURCE, but of your ITEM
So, in your formula you have to write this :
Select(Parent);If(ThisItem.'{HasAttachments}' = true, Navigate('Screen1', Fade), Navigate('Screen2', Fade)
'{HasAttachments}' is my syntax, maybe you have to keep yours.

Best regards,

Louis

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Community Power Pla... Microsoft Employee on at

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Still does not work:
The error is: 'Invalid argument type'

Update: If I do what you said, I get the error "Invalid number of arguments: received 1, expected 2 or more."

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Community Power Pla... Microsoft Employee on at

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Hi @Anonymous, look on your image :
You closed your If function just after your condition

So, you would have
Select(Parent);
If(ThisItem.'{HasAttachments}' = false,
Navigate('Screen1', ScreenTransition.Fade),
Navigate('Screen2', ScreenTransition.Fade)
)
Copy and paste this formula (changing screen's names)

Best regards,

Louis

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Community Power Pla... Microsoft Employee on at

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Thank you! It works great! Have a great day man!

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