Update ReadMe.md

Author: Hibar3

Seamless_Integration/ReadMe.md

@@ -38,14 +38,35 @@ For  production
 ```html
 <script src="https://www.onlinepayment.com.my/MOLPay/API/seamless/3.17/js/MOLPay_seamless.deco.js">
 ```
-
 ### Set variables
 Insert values into these variables:
 ```Javascript
 var merchant_id = "";//Insert merchant id here
 var orderid = ""; // Order ID should be random generated by merchant function
 var vkey = "**************"; //Replace ********** with your MOLPay verification_Key
 ```
-Note: orderid should be defined by merchant function. Hardcoding method is used for convenience of testing
+*Note: orderid should be defined by merchant function. Hardcoding method is used for convenience of testing
+
+### Prepare Payment object detail
+```Javascript
+        status = true;// Set True to proceed with MOLPay
+        mpsmerchantid = merchant_id;
+        mpschannel = req.body.payment_options;
+        mpsamount = req.body.total_amount;
+        mpsorderid = orderid; //Order ID should be a random generated value by merchant
+        mpsbill_name = req.body.billingFirstName + " " + req.body.billingLastName;
+        mpsbill_email = req.body.billingEmail;
+        mpsbill_mobile = req.body.billingMobile;
+        mpsbill_desc = req.body.billingAddress;
+        mpscountry  = "MY";
+        mpsvcode  = md5(req.body.total_amount + merchant_id + orderid + vkey);
+        mpscurrency = req.body.currency;
+        mpslangcode = "en";
+        mpstimer = req.body.molpaytimer;
+        mpstimerbox = "#counter";
+        mpsreturnurl = "http://127.0.0.1:8080/returnurl"; // Enter your return url here
+        mpscancelurl = "http://127.0.0.1:8080/cancelurl"; // Enter your cancel url here
+        mpsapiversion = "latest"; //**NOTE:  For production use '3.17' / Sandbox use 'latest'
+```
 
 Please request merchant ID and vkey from Merchant Technical Support / Customer Care : support@molpay.com . The order ID can be anything.