diff --git a/src/Pinch.SDK/Payments/PaymentSaveOptions.cs b/src/Pinch.SDK/Payments/PaymentSaveOptions.cs
index ad969e3..f2a16d8 100644
--- a/src/Pinch.SDK/Payments/PaymentSaveOptions.cs
+++ b/src/Pinch.SDK/Payments/PaymentSaveOptions.cs
@@ -9,26 +9,37 @@ public class PaymentSaveOptions
         /// Payment ID. Leave blank to create a new Payment.
         /// </summary>
         public string Id { get; set; }
+
         /// <summary>
         /// The Payer ID of the Payer to debit.
         /// </summary>
         public string PayerId { get; set; }
+
         /// <summary>
         /// The payment amount in cents. eg. $10.00 = 1000
         /// </summary>
         public int Amount { get; set; }
+
         /// <summary>
         /// The date to take the payment. If submitted outside of banking hours on the scheduled date, the payment will be taken the next business day.
         /// </summary>
         public DateTime TransactionDate { get; set; }
+
         /// <summary>
         /// A description of the payment. This may be shown to the Payer to understand the payment.
         /// </summary>
         public string Description { get; set; }
+
         /// <summary>
         /// Optional. The ID of the payment Source you want to use. If omitted, the first valid source will be used. 
         /// </summary>
         public string SourceId { get; set; }
+
+        /// <summary>
+        /// Optional. The application fee amount in cents. This fee is added to the transaction fee and settled to the Primary Merchant.
+        /// </summary>
+        public int? ApplicationFee { get; set; }
+
         /// <summary>
         /// A list of source types to surcharge (Pass on the fees to the customer). eg. ['bank-account', 'credit-card']
         /// </summary>