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How to Create a Notification Banner that includes all "required field missing" errors

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Posted on by CCJones

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The lack of a pop-up notification to tell the user that they're missing data is confusing and inefficient. There's no message except in the error box under the specific field. The form just does nothing and the user has to go search through it to find any issues. How can I create a pop-up notification banner that includes the names of any required fields missing values?

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madlad 2,637 Moderator on at

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To display a general error, in the forms OnFailure property, you can use

Notify(Self.Error, NotificationType.Error)

To get the specifics, I believe you'll need something like:

Notify( Concatenate( If( !*DataCard1*.Valid, "DataField1 is invalid", "" ), If( !*DataCard2*.Valid, "DataField2 is invalid", "" ), ect. ) )

Used for each datacard you want to check - it's a bit long, and I'm not 100% sure there's not an easier way, but it will work for sure. Also, for readability you'll want some text seperator in between each one of these concatenate items

Hope this helps!

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CCJones 244 on at

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Ugh. I was afraid it might be something like this. Will have to see if the customer can accept a single banner notifying of at least one issue. Is there a way to do a count on how many items have an error and include that number in the notification saying something like "# fields are invalid. Please review." ?

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madlad 2,637 Moderator on at

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You could, but I believe it would also most likely involve having to check each fields validity.
I suspect it'll be pretty much my last formula, except getting the count of 'true' items instead of concatenating.

You can slightly modify and create custom errors using error handling:
https://learn.microsoft.com/en-us/power-platform/power-fx/reference/function-iferror
https://powerusers.microsoft.com/t5/Error-Handling/New-property-App-OnError-on-version-3-21112/td-p/1350886

but I don't know of anything as detailed as you describe unfortunately.

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