You can set up promotional vouchers on the promotion voucher screen. Promotional vouchers are issued automatically by the till as part of an active promotion. i.e. Spend x and receive a voucher for y for example.

To Create any of the above, follow the below

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Promotional Vouchers - Create Value Voucher (percentage of the current sale)

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Promotional Vouchers - Create Discount Voucher (percentage off next sale)

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