updateCartItems mutation
The updateCartItems
mutation allows you to replace the current quantity of one or more cart items with the specified quantities. It does not perform calculations to determine the quantity of cart items.
Setting the quantity to 0
removes an item from the cart.
Syntax
mutation: {updateCartItems(input: UpdateCartItemsInput): {UpdateCartItemsOutput}}
Example usage
The following example changes the quantity of cart item 13
. The new quantity is 3
.
Request:
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mutation {
updateCartItems(
input: {
cart_id: "IeTUiU0oCXjm0uRqGCOuhQ2AuQatogjG",
cart_items: [
{
cart_item_id: 13
quantity: 3
}
]
}
){
cart {
items {
id
product {
name
}
quantity
}
prices {
grand_total{
value
currency
}
}
}
}
}
Response:
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{
"data": {
"updateCartItems": {
"cart": {
"items": [
{
"id": "13",
"product": {
"name": "Strive Shoulder Pack"
},
"quantity": 3
},
{
"id": "14",
"product": {
"name": "Affirm Water Bottle "
},
"quantity": 1
}
],
"prices": {
"grand_total": {
"value": 103,
"currency": "USD"
}
}
}
}
}
}
Input attributes
The UpdateCartItemsInput
object is listed first. All child objects are listed in alphabetical order.
UpdateCartItemsInput object
The UpdateCartItemsInput
object must contain the following attributes:
Attribute | Data Type | Description |
---|---|---|
cart_id |
String! | The unique ID that identifies the customer’s cart |
cart_items |
CartItemUpdateInput! | Contains the cart item IDs and quantity of each item |
CartItemUpdateInput object
The CartItemUpdateInput
object must contain the following attributes:
Attribute | Data Type | Description |
---|---|---|
cart_item_id |
Int! | The unique ID assigned when a customer places an item in the cart |
customizable_options |
[CustomizableOptionInput!] | An array that defines customizable options for the product |
quantity |
Float | The new quantity of the item. A value of 0 removes the item from the cart |
CustomizableOptionInput object
The CustomizableOptionInput
object must contain the following attributes:
Attribute | Data Type | Description |
---|---|---|
id |
Int! | A unique ID assigned to the customizable option |
value_string |
String! | A value assigned to the customizable option |
Output attributes
The UpdateCartItemsOutput
object contains the Cart
object.
Attribute | Data Type | Description |
---|---|---|
cart |
Cart! | Describes the contents of the specified shopping cart |
Cart object
Attribute | Data Type | Description |
---|---|---|
applied_coupon |
AppliedCoupon |
Deprecated. Use applied_coupons instead |
applied_coupons |
[AppliedCoupon ] |
An array of AppliedCoupon objects. Each object contains the code text attribute, which specifies the coupon code |
applied_gift_cards |
[AppliedGiftCard ] |
An array of AppliedGiftCard objects. An AppliedGiftCard object contains the code text attribute, which specifies the gift card code. applied_gift_cards is a Commerce-only attribute, defined in the GiftCardAccountGraphQl module |
applied_store_credit |
AppliedStoreCredit |
Contains store credit information applied to the cart. applied_store_credit is a Commerce-only attribute, defined in the CustomerBalanceGraphQl module |
available_payment_methods |
[AvailablePaymentMethod] | Available payment methods |
billing_address |
BillingCartAddress | Contains the billing address specified in the customer’s cart |
email |
String | The customer’s email address |
id |
ID! | The ID of the cart |
is_virtual |
Boolean! | Indicates whether the cart contains only virtual products |
items |
[CartItemInterface] | Contains the items in the customer’s cart |
prices |
CartPrices | Contains subtotals and totals |
selected_payment_method |
SelectedPaymentMethod | Selected payment method |
shipping_addresses |
[ShippingCartAddress]! | Contains one or more shipping addresses |
total_quantity |
Float! | Total Quantity of products in the cart |
Cart query output provides more information about the Cart
object.
Errors
Error | Description |
---|---|
Could not find cart item with id: XXX |
The specified input .cart_items .cart_item_id value does not exist in the quote_item database table. |
Could not find a cart with ID "XXX" |
The specified cart_id value does not exist in the quote_id_mask database table. |
Required parameter "cart_id" is missing. |
The value specified in the cart_id argument is empty. |
Required parameter "cart_items" is missing. |
The cart_items argument is empty, or its value is specified as a non-array value. |
Required parameter "quantity" for "cart_items" is missing. |
The required input .cart_items .quantity argument must be specified. |
The current user cannot perform operations on cart "XXX" |
An unauthorized user (guest) tried to update a customer’s cart, or an authorized user (customer) tried to update the cart of another customer. |