Backend Settings
Create a cart rule (coupon)
From Marketing > Cart Price Rules option the admin can add the desired cart rule. For suppose we add the details as provided in the screenshot.
There are no conditions related to this coupon. Next is Actions as given in screenshot we have to set the settings in order make the discount coupon where the customer gets one product free with the purchase of one(both the products in the cart should be same).
Once all the above details are saved. Navigate to Marketing > Catalog Price Rule and click on Apply Rules. It will update all the rules created and help the coupon to function smoothly.
Frontend Settings
Next, add two similar products to the cart. The total cost of both products is $90.
Click on the discount coupon available and apply the discount. According to the coupon settings the cost of one product will be removed and the customer will have to pay cost for one product only.
