Refunds
From the completed payment, click Payments Flex and select Refund
Ensure the Refund box is checked:
Specify a refund amount. Note that if the batch out has not taken place yet, you cannot process a partial refund.
If you would like to add a Refund Reason, you can do as well.
Click Proceed
Using the magnifying glass next to the transaction number (1), you can access the refunded payment: