You can add a barcode to a new or existing reward voucher. For new reward offers, click Create new reward on the side menu. For existing offers, click Manage rewards, then click the pencil icon next to a reward and click Edit reward.

 

Scroll down to Redemption details. Click Upload image to upload a barcode image (maximum image size is 286px x 90px). The barcode will appear on the customer's vouchers after redeeming a reward.