You must register a form before you can call it from a menu or a responsibility.
Enter the filename of your form (without an extension). Your form filename must be all uppercase, and its .fmx file must be located in your application directory structure.
This is the application that owns your form. You can define an application by using the Applications window.
Oracle Applications looks for your form in the appropriate language directory of your forms directory, based on the application owning your form.
For example, if you are using American English on a Unix platform, Oracle Applications expects to find your form files in the directory /<Your application top directory>/forms/US.
User Form Name
This is the form name you see when selecting a form using the Functions window.