Restrict coupons usage to once per customer

• Business users would now be able to restrict the coupon code usage to only once per customer

• The option is available as a checkbox of

  Limit to one use per customer

  while coupon creation as well as for existing coupons

• Enabling the option would not allow redemption of the coupon more than once for the same customer.

• The check is disabled by default for newly created as well as existing coupons