Issue Form field definitions, whether or not a field is required, how it is initialized, valid values, and so on, are specified using the Schema Editor in the AccuRev GUI. As you work in an Issue Edit form, you may notice these effects:
If you attempt to save the issue record when one or more required fields lack a value, AccuRev displays a dialog box containing a list of the required fields. You must specify a value for all required fields before you can save the issue record.