After you have created a discount code you cannot change the discount code, but you can delete the code (if the code hasn't been used yet), or disable to discount code. 

1. From the event Edit page, please click " Edit Tickets".

2. Click the ticket setting button.

Delete the discount code
If the discount code has not been used yet, you can delete the discount code. If you wish to change a discount code, please delete the discount code and create a new discount code. To delete the discount code, please click on the garbage bin button.

De-activate the discount code
If the discount code has already been used, you cannot delete the discount code. To de-activate a discount code, please click on the deactivate button. A de-activated discount code cannot be used when purchasing tickets.

You can re-activate an inactive discount code by clicking the activate button.