FILED LIST FOR IMPORT AND EXPORT LOT OF FEATURE PRESENTS 
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Coupon Id (if you are going to add new product leave this empty and chose option upload by product id)
Coupon Name
Code
Type
Discount
Total Amount:
Customer Login
Free Shipping
Product ids(11,10)
Product names
Category ids
Category names
Date Start (Y-m-d)
Date End (Y-m-d)
Uses Per Coupon
Uses Per Customer
Status