Coupons
Open Growth → Marketing → Coupons to manage WooCommerce discount codes.

The current form supports code, percentage/fixed-cart/fixed-product type, amount, description, expiry date, total usage limit, per-user limit, free delivery, and individual use.
Saving sends the change to WooCommerce. If the code exists or the API rejects a rule, the dialog preserves values and shows the error.
Deletion requires confirmation. Check active campaigns before continuing.