X++:
display real mSumAll()
{
CashflowFactTrans_MCFR CFT;
Query q =new Query(cashflowFactTrans_ds.queryRun().query());
;
qbds=q.dataSourceNo(1);
qbds.addSelectionField(fieldNum(CashflowFactTrans_MCFR, Amount), SelectionField::Sum);
qr= new QueryRun(q);
qr.next();
CFT = qr.get(tableNum(CashflowFactTrans_MCFR));
return CFT.Amount;
}