The Coupon Rewards Widget allows you to automatically reward customers who leave verified reviews. Once an order is fulfilled and a verified review is submitted via the widget, the app sends a discount code directly to the customer’s email. This seamless process helps you build trust and encourage future purchases by turning satisfied customers into returning buyers.
The widget is automatically placed on the Shopify customer account page. Customers will see the reward after submitting a review for a fulfilled order.

Go to Settings → Discount → Check box Order page and adjust other settings
Go to Theme Editor → Checkout & Customer Accounts → Order status page
In the left panel, click the Plus icon and add 'Coupon Rewards' extension
Click "Save"