Home > @shopware-pwa/shopware-6-client > changeCartItemQuantity
# changeCartItemQuantity() function
This API is provided as a preview for developers and may change based on feedback that we receive. Do not use this API in a production environment.
Changes the current quantity in specific cart line item to given quantity.
Example: If current quantity is 3 and you pass 2 as quantity parameter, you will get a new cart's state with quantity 2.
Signature:
export declare function changeCartItemQuantity(itemId: string, newQuantity?: number, contextInstance?: ShopwareApiInstance): Promise<Cart>;
# Parameters
| Parameter | Type | Description |
|---|---|---|
| itemId | string | |
| newQuantity | number | |
| contextInstance | ShopwareApiInstance |
Returns:
Promise<Cart>
# Exceptions
ClientApiError