Creating List Dynamically

DECLARE
   gr_id     recordgroup;
   errcode   NUMBER;
BEGIN
   gr_id :=
      CREATE_GROUP_FROM_QUERY
         ('org_id',
          'SELECT ORG_NAME, TO_CHAR(ORG_ID) FROM USRWRKAREA_V
               WHERE USR_ID = :global.g_emp_no');
   errcode := POPULATE_GROUP (gr_id);
   POPULATE_LIST ('CTRL.ORG_ID', 'ORG_ID');
end;