Full refund a transaction through eatOS dashboard

Sign-in in eatOS dashboard by entering the username and password.
Click the Sales tab from the side navigation menu.
Click the Transactions tab from the top navigation.
Select the transaction that you'd like to refund. Transaction details screen will be displayed. For instance, refer to the image below,


Click FULL REFUND.
Select the reason for the refund in the window below,


Click REFUND.