public void ChargeCapture(string transactionId, string currency, int amount)
 {
     Charge = new Charge
     {
         TransactionId = transactionId,
         ChargeAmount = amount / 150,
         ChargeCurrency = currency,
         CreateUser = Environment.UserName,
         CreateDate = DateTime.Now,
         ModifiedUser = Environment.UserName,
         ModifiedDate = DateTime.Now
     };
 }
 public Invoice(Charge charge)
 {
     Charge = charge;
 }