-STRING_CB(multimedia_link, sub_obje_form_start, form)
-STRING_CB(multimedia_link, sub_obje_titl_start, title)
-STRING_CB(multimedia_link, sub_obje_file_start, file)
+DEFINE_SUB_MAKEFUNC(multimedia_link)
+
+DEFINE_STRING_CB(multimedia_link, sub_obje_form_start, form)
+DEFINE_STRING_CB(multimedia_link, sub_obje_titl_start, title)
+DEFINE_STRING_CB(multimedia_link, sub_obje_file_start, file)
+
+DEFINE_ADDFUNC2(multimedia_link, note_sub, note)
+DEFINE_ADDFUNC2(multimedia_link, user_data, extra)