# cartLinesRemove

Removes merchandise lines from an existing cart.

## Authentication

> **Public Access**: Accessible with the public API key

## Mutation Structure

```graphql
mutation {
  cartLinesRemove(id: String!, lineIds: [Id]!) {
    cart {
      # Cart fields
    }
    userErrors {
      # UserError fields
    }
  }
}
```

## Input Arguments

| Argument | Type | Required | Description |
|----------|------|----------|-------------|
| id | String! | Yes | The ID of the cart to remove lines from |
| lineIds | [Id]! | Yes | A list of line item IDs to remove from the cart |

## Return Type

[CartLinesRemovePayload](/reference/storefront/v1/objects/cart-lines-remove-payload) - Payload returned by the cartLinesRemove mutation. Contains the updated cart and any errors that occurred during the operation.

## Example

```graphql
mutation {
  cartLinesRemove(id: "eyJhbGciOiJIUzI1NiJ9...", lineIds: ["gid://shopify/CartLine/1", "gid://shopify/CartLine/2"]) {
    cart {
      id
      lines {
        edges {
          node {
            id
            quantity
          }
        }
      }
    }
    userErrors {
      field
      message
    }
  }
}
```

## Related Types

- [CartLinesRemovePayload](/reference/storefront/v1/objects/cart-lines-remove-payload)