addToCheckout( )


Adds catalog line items and/or custom line items to a checkout.

The addToCheckout() function returns a Promise that resolves to the updated checkout when the specified items have been added.

Note: When adding catalog items, options.lineItems.catalogReference is required.

Permissions
Manage eCommerce - all permissions
Manage Stores - all permissions
Manage Orders
Manage Restaurants - all permissions
Manage eCommerce - Admin Permissions
Learn more about app permissions.
Method Declaration
Copy
function addToCheckout(
  _id: string,
  options: AddToCheckoutOptions,
): Promise<AddToCheckoutResponse>;
Method Parameters
_idstringRequired

Checkout ID.


optionsAddToCheckoutOptions

Items to be added to checkout.

Returns
Return Type:Promise<AddToCheckoutResponse>
JavaScript
/************************************** * Backend code - my-backend-file.jsw * *************************************/ import { checkout } from "wix-ecom-backend"; export async function myAddToCheckoutFunction(_id, options) { try { const updatedCheckout = await checkout.addToCheckout(_id, options); console.log("Success! Updated checkout:", updatedCheckout); return updatedCheckout; } catch (error) { console.error(error); // Handle the error } } /************* * Page code * ************/ import { myAddToCheckoutFunction } from "backend/my-backend-file"; // Sample checkout ID: const _id = "63879d9f-0d1c-49aa-a0c5-5fc612a24ec7"; // Sample addToCheckout options: const options = { lineItems: [ { catalogReference: { // Wix Stores appId appId: "215238eb-22a5-4c36-9e7b-e7c08025e04e", // Wix Stores productId catalogItemId: "df19c1f7-07d8-a265-42f8-e8dfa824cc6e", // Wix Stores variantId options: { variantId: "e62fee23-7878-437a-bf0e-292f17d11cb5", }, }, quantity: 1, }, ], }; myAddToCheckoutFunction(_id, options) .then((updatedCheckout) => { const checkoutSubtotal = updatedCheckout.priceSummary.subtotal.amount; const numberOfCheckoutLineItems = updatedCheckout.lineItems.length; console.log("Success! Updated checkout:", updatedCheckout); return updatedCheckout; }) .catch((error) => { console.error(error); // Handle the error }); /* Promise resolves to: * * { * "_id": "63879d9f-0d1c-49aa-a0c5-5fc612a24ec7", * "lineItems": [ * { * "_id": "00000000-0000-0000-0000-000000000001", * "quantity": 1, * "catalogReference": { * "catalogItemId": "c8539b66-7a44-fe18-affc-afec4be8562a", * "appId": "215238eb-22a5-4c36-9e7b-e7c08025e04e" * }, * "productName": { * "original": "Shirt", * "translated": "Shirt" * }, * "url": "https://example.wixsite.com/ep-tester/product-page/shirt", * "price": { * "amount": "10", * "convertedAmount": "10", * "formattedAmount": "$10.00", * "formattedConvertedAmount": "$10.00" * }, * "lineItemPrice": { * "amount": "10", * "convertedAmount": "10", * "formattedAmount": "$10.00", * "formattedConvertedAmount": "$10.00" * }, * "fullPrice": { * "amount": "10", * "convertedAmount": "10", * "formattedAmount": "$10.00", * "formattedConvertedAmount": "$10.00" * }, * "priceBeforeDiscounts": { * "amount": "10", * "convertedAmount": "10", * "formattedAmount": "$10.00", * "formattedConvertedAmount": "$10.00" * }, * "totalPriceAfterTax": { * "amount": "10", * "convertedAmount": "10", * "formattedAmount": "$10.00", * "formattedConvertedAmount": "$10.00" * }, * "totalPriceBeforeTax": { * "amount": "10", * "convertedAmount": "10", * "formattedAmount": "$10.00", * "formattedConvertedAmount": "$10.00" * }, * "taxDetails": { * "taxableAmount": { * "amount": "10", * "convertedAmount": "10", * "formattedAmount": "$10.00", * "formattedConvertedAmount": "$10.00" * }, * "taxRate": "0", * "totalTax": { * "amount": "0", * "convertedAmount": "0", * "formattedAmount": "$0.00", * "formattedConvertedAmount": "$0.00" * }, * "rateBreakdown": [] * }, * "discount": { * "amount": "0", * "convertedAmount": "0", * "formattedAmount": "$0.00", * "formattedConvertedAmount": "$0.00" * }, * "descriptionLines": [], * "media": "wix:image://v1/3c76e2_c5331f937348492a97df87b0a3b34ea4~mv2.jpg#originWidth=1000&originHeight=1000", * "availability": { * "status": "AVAILABLE" * }, * "physicalProperties": { * "sku": "364115376135191", * "shippable": true * }, * "couponScopes": [ * { * "namespace": "stores", * "group": { * "name": "collection", * "entityId": "00000000-000000-000000-000000000001" * } * }, * { * "namespace": "stores", * "group": { * "name": "product", * "entityId": "c8539b66-7a44-fe18-affc-afec4be8562a" * } * } * ], * "itemType": { * "preset": "PHYSICAL" * }, * "paymentOption": "FULL_PAYMENT_ONLINE", * "rootCatalogItemId": "c8539b66-7a44-fe18-affc-afec4be8562a" * }, * { * "_id": "00000000-0000-0000-0000-000000000002", * "quantity": 1, * "catalogReference": { * "catalogItemId": "df19c1f7-07d8-a265-42f8-e8dfa824cc6e", * "appId": "215238eb-22a5-4c36-9e7b-e7c08025e04e", * "options": { * "variantId": "e62fee23-7878-437a-bf0e-292f17d11cb5" * } * }, * "productName": { * "original": "Shoe", * "translated": "Shoe" * }, * "url": "https://example.wixsite.com/ep-tester/product-page/shoe", * "price": { * "amount": "85", * "convertedAmount": "85", * "formattedAmount": "$85.00", * "formattedConvertedAmount": "$85.00" * }, * "lineItemPrice": { * "amount": "85", * "convertedAmount": "85", * "formattedAmount": "$85.00", * "formattedConvertedAmount": "$85.00" * }, * "fullPrice": { * "amount": "85", * "convertedAmount": "85", * "formattedAmount": "$85.00", * "formattedConvertedAmount": "$85.00" * }, * "priceBeforeDiscounts": { * "amount": "85", * "convertedAmount": "85", * "formattedAmount": "$85.00", * "formattedConvertedAmount": "$85.00" * }, * "totalPriceAfterTax": { * "amount": "85", * "convertedAmount": "85", * "formattedAmount": "$85.00", * "formattedConvertedAmount": "$85.00" * }, * "totalPriceBeforeTax": { * "amount": "85", * "convertedAmount": "85", * "formattedAmount": "$85.00", * "formattedConvertedAmount": "$85.00" * }, * "taxDetails": { * "taxableAmount": { * "amount": "85", * "convertedAmount": "85", * "formattedAmount": "$85.00", * "formattedConvertedAmount": "$85.00" * }, * "taxRate": "0", * "totalTax": { * "amount": "0", * "convertedAmount": "0", * "formattedAmount": "$0.00", * "formattedConvertedAmount": "$0.00" * }, * "rateBreakdown": [] * }, * "discount": { * "amount": "0", * "convertedAmount": "0", * "formattedAmount": "$0.00", * "formattedConvertedAmount": "$0.00" * }, * "descriptionLines": [ * { * "name": { * "original": "Color", * "translated": "Color" * }, * "colorInfo": { * "original": "Black", * "translated": "Black", * "code": "#000" * }, * "lineType": "COLOR", * "color": "Black" * } * ], * "media": "wix:image://v1/3c76e2_bf235c38610f4d2a905db71095b351cf~mv2.jpg#originWidth=1000&originHeight=1000", * "availability": { * "status": "AVAILABLE", * "quantityAvailable": 30 * }, * "physicalProperties": { * "sku": "364215376135191", * "shippable": true * }, * "couponScopes": [ * { * "namespace": "stores", * "group": { * "name": "collection", * "entityId": "00000000-000000-000000-000000000001" * } * }, * { * "namespace": "stores", * "group": { * "name": "product", * "entityId": "df19c1f7-07d8-a265-42f8-e8dfa824cc6e" * } * } * ], * "itemType": { * "preset": "PHYSICAL" * }, * "paymentOption": "FULL_PAYMENT_ONLINE", * "rootCatalogItemId": "df19c1f7-07d8-a265-42f8-e8dfa824cc6e" * } * ], * "shippingInfo": { * "carrierServiceOptions": [] * }, * "buyerInfo": { * "contactId": "f7dc17a6-825a-466e-a78e-c4abea0217db", * "memberId": "c43190d2-eea3-493e-b6e8-f146850c6873" * }, * "conversionCurrency": "USD", * "priceSummary": { * "subtotal": { * "amount": "95", * "convertedAmount": "95", * "formattedAmount": "$95.00", * "formattedConvertedAmount": "$95.00" * }, * "shipping": { * "amount": "0", * "convertedAmount": "0", * "formattedAmount": "$0.00", * "formattedConvertedAmount": "$0.00" * }, * "tax": { * "amount": "0", * "convertedAmount": "0", * "formattedAmount": "$0.00", * "formattedConvertedAmount": "$0.00" * }, * "discount": { * "amount": "0", * "convertedAmount": "0", * "formattedAmount": "$0.00", * "formattedConvertedAmount": "$0.00" * }, * "total": { * "amount": "95", * "convertedAmount": "95", * "formattedAmount": "$95.00", * "formattedConvertedAmount": "$95.00" * }, * "additionalFees": { * "amount": "0", * "convertedAmount": "0", * "formattedAmount": "$0.00", * "formattedConvertedAmount": "$0.00" * } * }, * "calculationErrors": { * "orderValidationErrors": [] * }, * "appliedDiscounts": [], * "customFields": [], * "weightUnit": "KG", * "currency": "USD", * "channelType": "WEB", * "siteLanguage": "en", * "buyerLanguage": "en", * "completed": false, * "taxIncludedInPrice": false, * "createdBy": { * "memberId": "c43190d2-eea3-493e-b6e8-f146850c6873" * }, * "_createdDate": "2023-01-04T15:11:20.762Z", * "_updatedDate": "2023-01-04T15:15:24.035Z", * "payNow": { * "subtotal": { * "amount": "95", * "convertedAmount": "95", * "formattedAmount": "$95.00", * "formattedConvertedAmount": "$95.00" * }, * "shipping": { * "amount": "0", * "convertedAmount": "0", * "formattedAmount": "$0.00", * "formattedConvertedAmount": "$0.00" * }, * "tax": { * "amount": "0", * "convertedAmount": "0", * "formattedAmount": "$0.00", * "formattedConvertedAmount": "$0.00" * }, * "discount": { * "amount": "0", * "convertedAmount": "0", * "formattedAmount": "$0.00", * "formattedConvertedAmount": "$0.00" * }, * "total": { * "amount": "95", * "convertedAmount": "95", * "formattedAmount": "$95.00", * "formattedConvertedAmount": "$95.00" * }, * "additionalFees": { * "amount": "0", * "convertedAmount": "0", * "formattedAmount": "$0.00", * "formattedConvertedAmount": "$0.00" * } * }, * "payLater": { * "subtotal": { * "amount": "0", * "convertedAmount": "0", * "formattedAmount": "$0.00", * "formattedConvertedAmount": "$0.00" * }, * "shipping": { * "amount": "0", * "convertedAmount": "0", * "formattedAmount": "$0.00", * "formattedConvertedAmount": "$0.00" * }, * "tax": { * "amount": "0", * "convertedAmount": "0", * "formattedAmount": "$0.00", * "formattedConvertedAmount": "$0.00" * }, * "discount": { * "amount": "0", * "convertedAmount": "0", * "formattedAmount": "$0.00", * "formattedConvertedAmount": "$0.00" * }, * "total": { * "amount": "0", * "convertedAmount": "0", * "formattedAmount": "$0.00", * "formattedConvertedAmount": "$0.00" * }, * "additionalFees": { * "amount": "0", * "convertedAmount": "0", * "formattedAmount": "$0.00", * "formattedConvertedAmount": "$0.00" * } * }, * "membershipOptions": { * "eligibleMemberships": [], * "invalidMemberships": [], * "selectedMemberships": { * "memberships": [] * } * }, * "additionalFees": [], * "payNowTotalAfterGiftCard": { * "amount": "95", * "convertedAmount": "95", * "formattedAmount": "$95.00", * "formattedConvertedAmount": "$95.00" * } * } * */
Errors

This method doesn’t return any custom errors, but may return standard errors. Learn more about standard Wix errors.

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