SalesFormLetter salesFormLetter;
SalesTable salesTable = SalesTable ::Find('Test001');
salesFormLetter = SalesFormLetter::construct(DocumentStatus::Invoice);
salesFormLetter.reArrangeNow(false);
salesFormLetter.transDate(today());
salesFormLetter.proforma(false);
salesFormLetter.specQty(salesUpdate::All);
salesFormLetter.salesTable(salesTable);
salesFormLetter.run();