Make sure you have a registered account with revPay. You will need the Merchant ID and Merchant Key to proceed.
1. Go to Setting > Payments > Add payment method.
2. Select revPay
3. Insert the "Merchant ID" and "Merchant Code", then click "Activate" will do.
The transaction charges are optional, it's for you to charge transaction charges to your customer.
Percentage: Is the percentage of the total order amount.
MYR: Is the value you want to charge/fixed amount.
Percentage + MYR = The transaction charges will be "percentage of the total order amount" + "value you want to charge/fixed amount"