To process a return / refund from the point of sale follow the below instructions.
From the Point of Sale interface utilize the Customer button to select the customer you are processing the return / exchange / refund to.
Utilize the transaction button to load your recent transactions.
Utilize the search field to search for the invoice you wish to return from.
Click the Return / Refund / Exchange button.
Toggle the item on the invoice that is being returned then click the check button
You will now see the return added to the transaction.
At this point you can choose to issue the client a gift card for the refund amount or you can process the refund normally. For more info on how to issue a gift card for the refund amount check out this link.
Click this Refund button which will give you your options where you can refund the client or even issue a store credit.
Please review this related artickle on how to process an exchange (a return and purchase) from the Point of Sale.