Enter your password for your Eventfinda account.
Select a Reason why you are refunding. Use 'Cancelled Event' if your event is cancelled. Use 'Customer Exchange' if the ticketholder is changing sessions/etc (there's a $5 fee using this option). Use 'Promoter Authorisation' for anything else.
You can edit the message that goes to the ticketholder informing them they are refunded tickets if required.
Choose 'Credit Card Online' as the Refund Method and their funds will be returned to the credit card they used to make the transaction.
Click Confirm ticket refund. The customer will receive a confirmation email.