Calculate Transaction To Accounting Currency in AX

Hi,

Calculate Transaction To Accounting Currency

  CurrencyExchangeHelper currencyExchangeHelper;
            CurrencyCode transCurrency = 'EUR';
            AmountCur amountCur = 5226.52;
            AmountMst amountMST;
            currencyExchangeHelper = CurrencyExchangeHelper::newExchangeDate(Ledger::current(), systemDateGet());
            amountMST = currencyExchangeHelper.calculateTransactionToAccounting(transCurrency, amountCur ,true);
   info(strFmt('%1',amountMST));