diff --git a/src/MercadoPago/Resource/Payment/PaymentData.cs b/src/MercadoPago/Resource/Payment/PaymentData.cs
index 8b8744e..fedd848 100644
--- a/src/MercadoPago/Resource/Payment/PaymentData.cs
+++ b/src/MercadoPago/Resource/Payment/PaymentData.cs
@@ -12,5 +12,20 @@ public class PaymentData
         /// Payment rules.
         /// </summary>
         public PaymentRules Rules { get; set; }
+
+        /// <summary>
+        /// Reference Id.
+        /// </summary>
+        public string ReferenceId { get; set; }
+
+        /// <summary>
+        /// External Reference Id.
+        /// </summary>
+        public string ExternalReferenceId { get; set; }
+
+        /// <summary>
+        /// External Resource Url.
+        /// </summary>
+        public string ExternalResourceUrl { get; set; }
     }
-}
\ No newline at end of file
+}