In order to include a field complement in your output, the transaction description must include a transaction field for it, &Fieldname. FORMS does not include this transaction field by default; you must insert it if you want to see the field complement in the output.
Exception: For image fields, &Fieldname is included in the standard transaction description by default.
In order to include a form complement in your output, the transaction description must contain the transaction field #Complement. FORMS does not include this transaction field by default; you must add it from Available fields to the transaction description.