# cartDiscountCodesUpdate - storefront - MUTATION
Version: 2024-10

## Description
Updates the discount codes applied to the cart.

### Access Scopes



## Arguments
* [cartId](/docs/api/storefront/2024-10/scalars/ID): ID! - The ID of the cart.
* [discountCodes](/docs/api/storefront/2024-10/scalars/String): String - The case-insensitive discount codes that the customer added at checkout.

The input must not contain more than `250` values.


## Returns
* [cart](/docs/api/storefront/2024-10/objects/Cart): Cart The updated cart.
* [userErrors](/docs/api/storefront/2024-10/objects/CartUserError): CartUserError! The list of errors that occurred from executing the mutation.
* [warnings](/docs/api/storefront/2024-10/objects/CartWarning): CartWarning! A list of warnings that occurred during the mutation.


## Examples