diff --git a/src/MercadoPago/Entities/Shared/Payment.php b/src/MercadoPago/Entities/Shared/Payment.php
index 6dc984a4..598caa4e 100755
--- a/src/MercadoPago/Entities/Shared/Payment.php
+++ b/src/MercadoPago/Entities/Shared/Payment.php
@@ -191,5 +191,8 @@ class Payment extends Entity
      * @Attribute()
      */
     protected $merchant_account_id; 
-    
+    /**
+     * @Attribute()
+     */
+    protected $callback_url;
 }