To apply a discount to specific products, you need to create a product voucher and choose the products that will enjoy the discount.
Learn more about how to create a normal product voucher
Learn more about how to create a first time sign up product voucher
Learn more about how to create bulk product voucher
Difference between a normal, first time sign up, bulk product voucher:
The first-time sign-up product voucher is exclusive to first-time sign-up members, while normal product vouchers can be made available to the public or members. Bulk product vouchers are auto-generated voucher codes in large quantities (maximum 2500).