How do discount codes work at checkout (percent vs fixed)?

A DiscountCode can be either a percentage or a fixed-amount discount, identified by a code the customer enters at checkout. When applied, the system validates the code and, if valid, reduces the order total accordingly and recomputes totals (and any interaction with loyalty/fees). Percentage codes take a share off the eligible total; fixed codes subtract a set amount. Codes are…

A DiscountCode can be either a percentage or a fixed-amount discount, identified by a code the customer enters at checkout. When applied, the system validates the code and, if valid, reduces the order total accordingly and recomputes totals (and any interaction with loyalty/fees). Percentage codes take a share off the eligible total; fixed codes subtract a set amount. Codes are managed in the admin (Marketing → Discounts), where you set the type and value along with their eligibility rules.