Added CISDeduction to invoice and credit note

Author: MJMortimer

Xero.Api/Core/Model/CreditNote.cs

@@ -78,5 +78,8 @@ public class CreditNote : HasUpdatedDate, IHasId, IHasAttachment
 
         [DataMember(EmitDefaultValue = false)]
         public List<Payment> Payments { get; set; }
+
+        [DataMember(EmitDefaultValue = false, Name = "CISDeduction")]
+        public decimal? CisDeduction { get; set; }
     }
 }

Xero.Api/Core/Model/Invoice.cs

@@ -104,8 +104,10 @@ public List<LineItem> Items
         [DataMember(EmitDefaultValue = false)]
         public List<Overpayment> Overpayments { get; set; }
 
-        [DataMember(EmitDefaultValue = false)]
-        public List<Payment> Payments { get; set; }
-
+        [DataMember(EmitDefaultValue = false)]
+        public List<Payment> Payments { get; set; }
+
+        [DataMember(EmitDefaultValue = false, Name = "CISDeduction")]
+        public decimal? CisDeduction { get; set; }
     }
 }