Is it possible to set up offline playment plugin (when chosen as a type of payment) to apply a discount, i.e. to reduce the price?
I tried entering -10 in " Payment Fee (Percentage) " but it does not work.
Currently, the Payment Fee only allows the positive number, it does not supports the negative number. If you want that, please submit a ticket to EShop to send me the super admin account to your site so I can help you to implement.