Cart Version: Zen Cart 1.3.9, 1.5.x
Product Version: 1.3
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Want to restrict a coupon to one single customer?
This is what Coupon Single User does, but without any custom programming; just begin the coupon code with the user's email address. So for the user firstname.lastname@example.org, the coupon code could be email@example.com or firstname.lastname@example.org or email@example.com_product23. It just has to begin with the customer's email address.