&rs_level0 = GetLevel0();

&level0fieldvalue = &rs_level0.(1).Level0_Record.Level0_field.Value ;

&row_level0 = &rs_level0.GetRow(1);
&rs_level1 = &row_level0.GetRowset(Scroll.Level1_Record);
For &J = 1 To &rs_level1.RowCount

   &level1fieldvalue = &rs_level1.GetRow(&J).Level1_Record.Level1_field.Value
   
   &row_level1 = &rs_level1.GetRow(&J);
   &rs_level2 = &row_level1.GetRowset(Scroll.Level2_Record);
   
    For &L = 1 To &rs_level2.RowCount
    &level2fieldvalue = &rs_level2.GetRow(&L).Level2_Record.Level2_field.Value
    End-For;
   
End-For;