I have added some fields to the user interface (UI) and marked those fields as required. The UI that includes these fields has been merged with another UI. This combined UI is then linked to another UI that contains a "save" button. In the "save" button, I have set the validation parameter to true. However, after clicking the save button, the validation for the required fields is not being displayed.
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First, a button with validate=true will trigger any validation on the form.
Second, the normal, Appian style way, is to define that interface as the process start form and then add that process model as page content.
okay thanks
Make submit = false and validate = true. It should work as per your requirement.