square.linkCustomerToGiftCard links a customer to a gift card, which is also referred to as adding a card on file.
Example
automations/square-link-customer-to-gift-card.automation.ts
Inputs
Every input accepts a compatible signal. It requiresGIFTCARDS_WRITE.
Use the official LinkCustomerToGiftCard reference for provider field semantics and limits.
Output
Returns the officialSquare.LinkCustomerToGiftCardResponse response as a codec-safe object. Square integer money amounts remain bigint values.