Apply Coupon Discount on Each Item
GoAffPro provides you with the option to apply the coupon discount on each item in the customer's cart.
To apply the coupon discount on each item in the customer's cart, go to the Discounts section of the Shopify admin panel.

Discounts
Here, click on the GOAFFPRO (App) coupon code.

Click on GOAFFPRO (App) coupon code
This will open up the coupon code's settings page.

Coupon Code settings
Now, select the "Fixed amount" option in the Types section.

Select "Fixed amount" type
After this, select the "Specific products" option in the Applies to section.

Select "Specific products" option
Now, uncheck the "Only apply discount once per order" box.

Uncheck the "Only apply discount once per order" box
Finally, click on Save.
After this, the coupon code discount will apply to each item in the order.

Apply Coupon Discount on Each Item