To use Better Coupon Box, first you have to create a Shopify coupon code. To do that, please follow this instruction:
Step 1: Go to your Shopify setting page and click on Discount.
Step 2: You should see the Add discount button on the right of your page.
Step 3: There, you should be able to generate your code.
Step 4: After you have created a discount code, go back to Better Coupon Box setting page and set up your coupon box, as per instruction here.
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