I am trying to modify the checkout by using storefront API version 2023-10. My requirement is to update the checkout using graphQL , but when I gone through the documents, I couldn't find any graphQL functionalities for updating the checkout page, on...

I am trying to enhance the Shipping Selection page of our checkout process so that it will allow customers to request delivery or pickup via three basic options: 1) Pay for shipping (ex. FedEx Ground, UPS, Next Day Air, etc.) (existing feature, no en...