1. Using the search bar at the top, Navigate to the customer/order you want to apply the promotion to.
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2. Click on the order header/bar and you'll see a promotions box. From here you'll see a list of promotions/discounts you can apply to the order.

3. Once a discount has been selected, it will display in the Coupon field along with an automatically added note specifying the discount and user who entered along with a time stamp.
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