X++ code to achieve this;
staticvoid
SalesTax_Per_SalesQuotation(Args _args)
{
SalesQuotationTable
salesQuotationTable;
SalesQuotationTotals
salesQuotationTotals;
container cont;
salesQuotationTotals = SalesQuotationTotals::construct(SalesQuotationTable::find("QUOT000022"));
salesQuotationTotals.calc();
cont =
salesQuotationTotals.displayFieldsCurrency(salesQuotationTotals.currencyCode());
info(strFmt("Sales
quotation total GST: %1", conpeek(cont,
TradeTotals::posTaxTotal())));
}