There’s no “sale” feature per-se for gift cards, but you can charge one number and award a different number of store credits – which can be advertised as a sale, or a bonus, or whatever you want.
This requires [E2V] Gift Card Vendor 3.4 to work. In the config notecard there is a line called
You can also add a line called
So for example:
would allow a customer to purchase a card for L$100, but receive L$200 when the card is redeemed.
Please note that the AllowCustomPrice setting cannot be used when using the “credits=” line.