void multimedia_add_note(Gom_ctxt ctxt, struct note_sub* note);
void multimedia_add_user_ref(Gom_ctxt ctxt, struct user_ref_number* ref);
void multimedia_add_note(Gom_ctxt ctxt, struct note_sub* note);
void multimedia_add_user_ref(Gom_ctxt ctxt, struct user_ref_number* ref);
void multimedia_set_change_date(Gom_ctxt ctxt, struct change_date* chan);
void multimedia_add_user_data(Gom_ctxt ctxt, struct user_data* data);
void multimedia_set_change_date(Gom_ctxt ctxt, struct change_date* chan);
void multimedia_add_user_data(Gom_ctxt ctxt, struct user_data* data);