Supported discount code types:
1. Fixed Amount
- fixed amount off entire order
- fixed percentage amount off entire order
Create a fixed value or percentage discount
1. From your Shopify admin, go to Discounts
2. From the Discounts page, click Create discount
Note: Automatic discount code is not supported
3. In the Discount code section, enter a name for the new discount code.
Note: Avoid using special characters in your discount names so that your discount names add correctly to your store's checkout URL.
4. In the Options section, select the discount type that you want to create. Enter a monetary or percentage value for the discount in the Discount value box.
Supported type: Percentage or Fixed amount
5. Minimum requirements & Active dates are supported, while the remaining sections should be left as default: Customer eligibility, Usage limits.
6. Click Save discount.
Your new discount code now appears in the Discounts page. This discount code can be used.