The foremost step before creating gift cards is to create a campaign. Gift cards can only be created under a campaign. Refer the How to Create and Manage a Campaign in 99minds article for the steps to create a campaign.
Create Bulk Gift Cards
Create Bulk Gift Cards
Navigate to Gift Cards > Campaigns. Select the Campaign from the list. Click Create Bulk Gift Cards button in the campaign details page.
Enter the number of gift cards to be created
Enter the denomination for the gift cards
Select whether the gift card can be sold (must be purchased first before redemption) or cannot be sold (can be redeemed directly)
Click Create Gift Card. The gift cards will be created and will be visible in the campaign details page.