user_id = cnx->id_user;

__CREATE_QUERY("
                SELECT object_serialization FROM co_%s_clipboard
                WHERE user_id=%d AND owner_area='%s' AND owner_class='%s'
                ORDER BY id DESC",
cnx->par_area, user_id, owner_area, owner_class
)

__SQL_GET_RESULT

if (ok) {
cou_setReturnValue(cnx,cor_GetCopyOfValue(cnx, corec, 0,0),CO_STRING);
} else {
cou_setReturnValue(cnx,"",CO_STRING);
}
__CLEAR_RESULT