# CartLineUpdateInput - storefront - INPUT_OBJECT
Version: 2024-10

## Description
The input fields to update a line item on a cart.

### Access Scopes



## Fields
* [attributes](/docs/api/storefront/2024-10/input-objects/AttributeInput): AttributeInput - An array of key-value pairs that contains additional information about the merchandise line.

The input must not contain more than `250` values.
* [id](/docs/api/storefront/2024-10/scalars/ID): ID! - The ID of the merchandise line.
* [merchandiseId](/docs/api/storefront/2024-10/scalars/ID): ID - The ID of the merchandise for the line item.
* [quantity](/docs/api/storefront/2024-10/scalars/Int): Int - The quantity of the line item.
* [sellingPlanId](/docs/api/storefront/2024-10/scalars/ID): ID - The ID of the selling plan that the merchandise is being purchased with.


## Input objects with this input object
* [cartLinesUpdate](/docs/api/storefront/2024-10/mutations/cartLinesUpdate)


## Examples