Follow this section, If you want to set Convenience Fee for your transactions.
Convenience Fee can be setup from Merchant Dashboard. When Convenience Fee is set for a payment mode like NB. In CheckoutPro SDK, whenever user selects any NetBanking option then the header amount will be updated with a convenience fee. Amount breakup is accessed by clicking "View Details" in the toolbar. Below screen will be displayed that shows the breakup of the transaction amount with a convenience fee.
By default, when no convenience fee is set, Amount breakup will look like below