# cartAttributesUpdate - storefront - MUTATION
Version: 2025-01

## Description
Updates the attributes on a cart.

### Access Scopes



## Arguments
* [attributes](/docs/api/storefront/2025-01/input-objects/AttributeInput): AttributeInput! - An array of key-value pairs that contains additional information about the cart.

The input must not contain more than `250` values.
* [cartId](/docs/api/storefront/2025-01/scalars/ID): ID! - The ID of the cart.


## Returns
* [cart](/docs/api/storefront/2025-01/objects/Cart): Cart The updated cart.
* [userErrors](/docs/api/storefront/2025-01/objects/CartUserError): CartUserError! The list of errors that occurred from executing the mutation.
* [warnings](/docs/api/storefront/2025-01/objects/CartWarning): CartWarning! A list of warnings that occurred during the mutation.


## Examples