All discount codes used on a purchase will show under the order details!
💵Pro Feature
How to find Order Details:
Begin by tapping on the Commerce tab located at the bottom of the Dashboard,
Tap on an order to view the details.
From here, you can view all details about an order, including if any discount codes were applied! Check out this link here for more information on customer orders!
Want to see how to deactivate a discount code? Look at this article here!
Check out this article if you need help creating a new discount code.