Interface
BillingAddressManagementInterface
Magento\Quote\Api\BillingAddressManagementInterface
What it does
This interface defines the contract for managing billing addresses on shopping carts in Magento 2.
Developers use this to assign a billing address to a quote/cart and retrieve the current billing address, with an option to use the same address for shipping.
It's commonly used during checkout implementation or when building custom cart management functionality.
Public Methods
- assign()
- get()