Include the discount coupons you offer to your customers. Make sure you set the criteria for the coupons and then save them.
Go to Setup then Sales Setup and then Discount Coupon
You will choose whether to make the coupon active for customers to use. Select the option Is Active
Just enter the coupon code and enter the reduction percentage.
You will need to enter the amount which is fixed for the specified coupon. You will also need to enter a maximum redemption that is how many times a customer can redeem the coupon. You must also select the date range and the store location (if it’s for all stores or one in particular). And now submit.