Display Pop-up warning message to user when adding a specific new bank account to supplier site

Summary:

We have a business requirement where when adding a new bank account to a supplier site, need to display a warning / popup message to user notifying to make that bank account as Primary.

Popup/warning message should be displayed only when a specific bank account is added and when user is trying to save the same and not for any other bank accounts.

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Version (include the version you are using, if applicable):

25C

Code Snippet (add any code snippets that support your topic, if applicable):