https://www.ezyplugins.com/ezyguide/the-coupon-listing-page/
Coupon ID Here will be coupon ID
Product Product name
Days This coupon for how many days
Value Price of this discount
Type Discount/Percentage
Coupon Here will be coupon code
Start Date Start date of coupon in WordPress formate
Expiry Date Expiry date of coupon in WordPress formate
Date Used When this coupon used it
Email Email id
Status Active/deactive