set an unlimited number of conditional delivery and/or order discounts that can be applied by a customer by entering the relevant coupon code in a dedicated field on the order page.
expire coupon codes and discounts by date and/or number of uses
make any coupons/discounts only applicable at certain dates/times/weekdays
add unlimited additional discount options to the basic discount options available in wppizza->order settings->discount with more granular control over how to apply discounts
optionally display available discounts and/or coupon codes via shortcodes on your pages
used coupon codes will be displayed in any emails sent or other relevant pages
for more details please refer to the screenshots below, which should hopefully give you a better understanding about the options available