To display a user interface form in an application’s user interface, you must first assign the form to the application.
To assign a user interface form to an application
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In the Designer, select the User interface > Forms > User interface forms category. 
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Select the Edit form task. 
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In the Form Editor, select the user interface form. 
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In the edit view, select the Application view and then the application. 
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Select the Database > Commit to database and click Save. 
