If u want to fetch the filed value from the 2nd level then the following code will help u.
/*getting the scroll level 0's first row*/
&rs0 GetLevel0();
&row0 &rs0.GetRow(1);
/*getting the scroll level 1's first row*/
&rs1 &row0.GetRowset(1);
/*&row1 &rs1.GetRow(1);
/*getting the scroll level 2's first row*/
&rs2 &row1.GetRowset(1);
&row2 &rs2.GetRow(1);
/*getting the scroll level 2's first row's first record and its 4th field's value*/
&rd1 &row2.GetRecord(Record.RecName);
&rf4 &rd1.GetField(Field.FieldName);