Viewing payment transactions
In the edit drop-down menu of the order line, you can also select the Payment menu, as shown in the following screenshot:
What you see on the payments screen is determined by the functionality of the Payment gateway module that you have selected. In the following screen shot, I have temporarily enabled the Example payment method and used that for the order. This gives me the ability to view the details of the transaction.
By contrast, the SagePay integration module provides extensive data about the transaction and also allows you to perform secondary transactions, such as refunds and voids. These functions are presented as operations in the transaction list.
The functionality offered by the Payment gateway modules varies depending on how many of the available hooks the module developer has implemented. If you want to do more advanced transaction handling, such as repeating payments, refunds, or voids, it is worth checking out the capabilities of the payment gateway...