Showpass allows the Resale of certain tickets based on the organizer settings.
Please make sure you are logged in, and go to your orders page https://www.showpass.com/account/my-orders/
Find the order that you wish to resell and click "View Order"
Expand the "Have questions about my order" section. If the Resale has been enabled by the organizer you will see the "Resell you tickets" option
Select the Resell option and choose the tickets you wish to resell.
Click Continue, and you will be shown a confirmation screen with the refund amount.
Once you confirm, the tickets will be put into the resale inventory, and sold at a first come first serve basis.
If you wish to cancel your resale, please contact firstname.lastname@example.org