# checkoutCustomerAssociateV2 - storefront - MUTATION
Version: 2024-04

## Description
Associates a customer to the checkout.

### Access Scopes
`unauthenticated_write_checkouts` access scope.


## Arguments
* [checkoutId](/docs/api/storefront/2024-04/scalars/ID): ID! - The ID of the checkout.
* [customerAccessToken](/docs/api/storefront/2024-04/scalars/String): String! - The customer access token of the customer to associate.


## Returns
* [checkout](/docs/api/storefront/2024-04/objects/Checkout): Checkout The updated checkout object.
* [checkoutUserErrors](/docs/api/storefront/2024-04/objects/CheckoutUserError): CheckoutUserError! The list of errors that occurred from executing the mutation.
* [customer](/docs/api/storefront/2024-04/objects/Customer): Customer The associated customer object.
* [userErrors](/docs/api/storefront/2024-04/objects/UserError): UserError! The list of errors that occurred from executing the mutation.


## Examples