Display Error Message When Value Selected in Dropdown

[meddlema]

Hello, 

I need assistance with displaying an error message when a value is selected in a dropdown. 

The dropdown is datacardvalue2 and the values are "New Hire" and "Transfer/Promotion"

I want to display the error "Wrong form, please use the Transfer/Promotion form" if the value Transfer/Promotion is selected. 

I am still learning Powerapps.  I have tried the following in On Select for the dropdown: 

If(DataCardValue2.Selected.Value = "Transfer/Promotion", " ","Incorrect form, Please return and use the Transfer/Promotion form")

How should I handle this?

[eka24 · Accepted solution]

Try:

If(DataCardValue2.Selected.Value = "Transfer/Promotion",

Notify("Incorrect form, Please return and use the Transfer/Promotion form"))

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[meddlema]

I tried that an error message is still not displaying.   I put it in the On Select for the dropdown. 

[meddlema]

Disregard my previous message.  It is working now