GraphQl Create Empty cart for registered customer Magento 2.

To Create an Empty cart for a logged-in customer by GraphQl in Magento, you need to use Mutation to generate a cart id.

The Response of the createEmptyCart GraphQl mutation used for the add item to the customer cart by passing cart Id in addProductsToCart Mutation.

mutation {createEmptyCart}
Authorization: Bearer <CUSTOMER_TOKEN>
    "data": {
        "createEmptyCart": "GuvgCYLvz1HWi8ODkzMQ7NodOtlnfCkG"
String GuvgCYLvz1HWi8ODkzMQ7NodOtlnfCkG used as cart_id while adding product to cart using GraphQl.