PeopleCode Insert/update to a record

If All(&str_var1, &nbr_Num1, &nbr_Num2, &str_Var2, &d_Date1, &b_Exists) Then
   &REC = CreateRecord(Record.MY_RECORD);
   &REC.OPRID.Value = %OperatorId;
   &REC.FIELD1.Value = MY_RECORD.FIELD1.Value;
   &b_Update_Flag = &REC.SelectByKey();

   &REC.OPRID.Value = %OperatorId;
   &REC.FIELD1.Value = BITW_PERSON_DTL.FIELD1.Value;
   &REC.FIELD2.Value = MY_RECORD.FIELD2.Value;
   &REC.DATETIME_STAMP.value = %Datetime;

   If &b_Update_Flag Then
      &REC.Update();
   Else
      &REC.Insert();
   End-If;
End-If;