A. Information required
To start, we will need the information as below. These can be retrieved in the senangPay Dashboard.
1. Go to Menu > Settings > Profile
2. Refer to the Shopping Cart Integration Link section. Get your Merchant ID and Secret Key information.
3. Then you will need to fill in the return URL. This is the URL where senangPay will redirect the buyer to after the payment has been processed.
you will get return url from admin panel. put all those information in admin panel -> payment settings -> senangpay