diff --git a/sprd/entity/Payment.js b/sprd/entity/Payment.js
index <HASH>..<HASH> 100644
--- a/sprd/entity/Payment.js
+++ b/sprd/entity/Payment.js
@@ -1,4 +1,4 @@
-define(["js/data/Entity"], function(Entity) {
+define(["js/data/Entity"], function (Entity) {
     return Entity.inherit("checkout.entity.Payment", {
         type: "payment",
 
@@ -7,11 +7,11 @@ define(["js/data/Entity"], function(Entity) {
             paymentTypeGroup: null
         },
 
-        getType: function() {
+        getType: function () {
             return this.type;
         },
 
-        clearData: function() {
+        clearData: function () {
             var $ = this.$,
                 data = {};
             for (var key in $) {
@@ -23,6 +23,13 @@ define(["js/data/Entity"], function(Entity) {
             this.set(data);
         },
 
+        /**
+         * Hook to prepare delivery
+         */
+        prepare: function (cb) {
+            cb && cb();
+        },
+
         /***
          * determinate the real payment method. This is a hook so the credit card
          * payment type group can select the payment method
DEV-<I> - Frontend support/ implementation for KLARNA