- In OnSite POS or StoreMaster, find the coupon or voucher product that represents the one you want to redeem, and add it to a sale. You can do this any time during a sale.
- If your coupon is always the same value, it appears as a line item with a negative price, such as -$10.00, for example.
- If he value of your coupon varies, make its selling price a corresponding negative value, such as −25.00.
- Complete the sale, and OnSite deducts the value of the coupon from the total of the sale.
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