DECLARE
	CURSOR employee_cursor
	IS
	SELECT ROWNUM rn
	     , last_name
	     , employee_id
	FROM ( SELECT last_name
	            , to_char(employee_id) employee_id
	       FROM   employees
	       ORDER  BY last_name
	     );
BEGIN
	CLEAR_LIST('MYBLOCK.MYLIST');
	
	FOR employee_record IN employee_cursor
	LOOP
		ADD_LIST_ELEMENT( 'MYBLOCK.MYLIST'
		                , employee_record.rn
		                , employee_record.last_name
		                , employee_record.employee_id
		                ); 
	END LOOP;
END;