Once gift cards are setup in the account's backend, users can check out customers using those gift cards. This is done in the check out screen.
For gift card setup, navigate to https://support.lavu.com/hc/en-us/articles/200524830-How-do-I-set-up-Gift-Cards-in-POS-Lavu-2-2-
Checking out orders using gift cards.
1. Take the order to the check out screen.
2. Tap the Gift Card payment option.
4. Finally, swipe the gift card or enter the gift card number by using the number pad. Follow the prompts to check out the order.