public static void SetNotionalAmount(PaymentCalculationPeriod paymentCalculationPeriod, decimal notionalAmount)
 {
     foreach (CalculationPeriod calculationPeriod in XsdClassesFieldResolver.GetPaymentCalculationPeriodCalculationPeriodArray(paymentCalculationPeriod))
     {
         XsdClassesFieldResolver.CalculationPeriodSetNotionalAmount(calculationPeriod, notionalAmount);
     }
 }