# checkout_started The `checkout_started` event logs an instance of a customer starting the checkout process. This event is available on the checkout page. For Checkout Extensibility, this event is triggered every time a customer enters checkout. For non-checkout extensible shops, this event is only triggered the first time a customer enters checkout. ### Accessing Standard Events ```javascript import {register} from '@shopify/web-pixels-extension'; register(({analytics}) => { analytics.subscribe('checkout_started', (event) => { // Example for accessing event data const checkout = event.data.checkout; const checkoutTotalPrice = checkout.totalPrice?.amount; const allDiscountCodes = checkout.discountApplications.map((discount) => { if (discount.type === 'DISCOUNT_CODE') { return discount.title; } }); const firstItem = checkout.lineItems[0]; const firstItemDiscountedValue = firstItem.discountAllocations[0]?.amount; const customItemPayload = { quantity: firstItem.quantity, title: firstItem.title, discount: firstItemDiscountedValue, }; const payload = { event_name: event.name, event_data: { totalPrice: checkoutTotalPrice, discountCodesUsed: allDiscountCodes, firstItem: customItemPayload, }, }; // Example for sending event data to third party servers fetch('https://example.com/pixel', { method: 'POST', body: JSON.stringify(payload), keepalive: true, }); }); }); ``` ```javascript analytics.subscribe('checkout_started', (event) => { // Example for accessing event data const checkout = event.data.checkout; const checkoutTotalPrice = checkout.totalPrice?.amount; const allDiscountCodes = checkout.discountApplications.map((discount) => { if (discount.type === 'DISCOUNT_CODE') { return discount.title; } }); const firstItem = checkout.lineItems[0]; const firstItemDiscountedValue = firstItem.discountAllocations[0]?.amount; const customItemPayload = { quantity: firstItem.quantity, title: firstItem.title, discount: firstItemDiscountedValue, }; const payload = { event_name: event.name, event_data: { totalPrice: checkoutTotalPrice, discountCodesUsed: allDiscountCodes, firstItem: customItemPayload, }, }; // Example for sending event data to third party servers fetch('https://example.com/pixel', { method: 'POST', body: JSON.stringify(payload), keepalive: true, }); }); ``` ## Properties ### PixelEventsCheckoutStarted The `checkout_started` event logs an instance of a customer starting the checkout process. This event is available on the checkout page. For Checkout Extensibility, this event is triggered every time a customer enters checkout. For non-checkout extensible shops, this event is only triggered the first time a customer enters checkout. ### clientId The client-side ID of the customer, provided by Shopify ### context ### data ### id The ID of the customer event ### name The name of the customer event ### seq The sequence index number of the event. ### timestamp The timestamp of when the customer event occurred, in [ISO 8601](https://en.wikipedia.org/wiki/ISO_8601) format ### type ### Context A snapshot of various read-only properties of the browser at the time of event ### document Snapshot of a subset of properties of the `document` object in the top frame of the browser ### navigator Snapshot of a subset of properties of the `navigator` object in the top frame of the browser ### window Snapshot of a subset of properties of the `window` object in the top frame of the browser ### WebPixelsDocument A snapshot of a subset of properties of the `document` object in the top frame of the browser ### characterSet Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Document), returns the character set being used by the document ### location Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Document), returns the URI of the current document ### referrer Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Document), returns the URI of the page that linked to this page ### title Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Document), returns the title of the current document ### Location A snapshot of a subset of properties of the `location` object in the top frame of the browser ### hash Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Location), a string containing a `'#'` followed by the fragment identifier of the URL ### host Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Location), a string containing the host, that is the hostname, a `':'`, and the port of the URL ### hostname Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Location), a string containing the domain of the URL ### href Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Location), a string containing the entire URL ### origin Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Location), a string containing the canonical form of the origin of the specific location ### pathname Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Location), a string containing an initial `'/'` followed by the path of the URL, not including the query string or fragment ### port Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Location), a string containing the port number of the URL ### protocol Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Location), a string containing the protocol scheme of the URL, including the final `':'` ### search Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Location), a string containing a `'?'` followed by the parameters or "querystring" of the URL ### WebPixelsNavigator A snapshot of a subset of properties of the `navigator` object in the top frame of the browser ### cookieEnabled Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Navigator), returns `false` if setting a cookie will be ignored and true otherwise ### language Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Navigator), returns a string representing the preferred language of the user, usually the language of the browser UI. The `null` value is returned when this is unknown ### languages Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Navigator), returns an array of strings representing the languages known to the user, by order of preference ### userAgent Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Navigator), returns the user agent string for the current browser ### WebPixelsWindow A snapshot of a subset of properties of the `window` object in the top frame of the browser ### innerHeight Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Window), gets the height of the content area of the browser window including, if rendered, the horizontal scrollbar ### innerWidth Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Window), gets the width of the content area of the browser window including, if rendered, the vertical scrollbar ### location Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Window), the location, or current URL, of the window object ### origin Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Window), the global object's origin, serialized as a string ### outerHeight Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Window), gets the height of the outside of the browser window ### outerWidth Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Window), gets the width of the outside of the browser window ### pageXOffset Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Window), an alias for window.scrollX ### pageYOffset Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Window), an alias for window.scrollY ### screen Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Screen), the interface representing a screen, usually the one on which the current window is being rendered ### screenX Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Window), the horizontal distance from the left border of the user's browser viewport to the left side of the screen ### screenY Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Window), the vertical distance from the top border of the user's browser viewport to the top side of the screen ### scrollX Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Window), the number of pixels that the document has already been scrolled horizontally ### scrollY Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Window), the number of pixels that the document has already been scrolled vertically ### Screen The interface representing a screen, usually the one on which the current window is being rendered ### height Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Screen/height), the height of the screen ### width Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Screen/width), the width of the screen ### PixelEventsCheckoutStartedData ### checkout ### Checkout A container for all the information required to add items to checkout and pay. ### attributes A list of attributes accumulated throughout the checkout process. ### billingAddress The billing address to where the order will be charged. ### buyerAcceptsEmailMarketing Indicates whether the customer has consented to be sent marketing material via email. This property is only available if the shop has [upgraded to Checkout Extensibility](https://help.shopify.com/en/manual/checkout-settings/checkout-extensibility/checkout-upgrade). ### buyerAcceptsSmsMarketing Indicates whether the customer has consented to be sent marketing material via SMS. This property is only available if the shop has [upgraded to Checkout Extensibility](https://help.shopify.com/en/manual/checkout-settings/checkout-extensibility/checkout-upgrade). ### currencyCode The three-letter code that represents the currency, for example, USD. Supported codes include standard ISO 4217 codes, legacy codes, and non- standard codes. ### delivery Represents the selected delivery options for a checkout. This property is only available if the shop has [upgraded to Checkout Extensibility](https://help.shopify.com/en/manual/checkout-settings/checkout-extensibility/checkout-upgrade). ### discountApplications A list of discount applications. ### discountsAmount The total amount of the discounts applied to the price of the checkout. This property is only available if the shop has [upgraded to Checkout Extensibility](https://help.shopify.com/manual/checkout-settings/checkout-extensibility/checkout-upgrade). ### email The email attached to this checkout. ### lineItems A list of line item objects, each one containing information about an item in the checkout. ### localization Information about the active localized experience. This property is only available if the shop has [upgraded to Checkout Extensibility](https://help.shopify.com/en/manual/checkout-settings/checkout-extensibility/checkout-upgrade). ### order The resulting order from a paid checkout. ### phone A unique phone number for the customer. Formatted using E.164 standard. For example, *+16135551111*. ### shippingAddress The shipping address to where the line items will be shipped. ### shippingLine Once a shipping rate is selected by the customer it is transitioned to a `shipping_line` object. ### smsMarketingPhone The phone number provided by the buyer after opting in to SMS marketing. This property is only available if the shop has [upgraded to Checkout Extensibility](https://help.shopify.com/en/manual/checkout-settings/checkout-extensibility/checkout-upgrade). ### subtotalPrice The price at checkout before duties, shipping, and taxes. ### token A unique identifier for a particular checkout. ### totalPrice The sum of all the prices of all the items in the checkout, including duties, taxes, and discounts. ### totalTax The sum of all the taxes applied to the line items and shipping lines in the checkout. ### transactions A list of transactions associated with a checkout or order. Certain transactions, such as credit card transactions, may only be present in the checkout_completed event. ### Attribute Custom attributes associated with the cart or checkout. ### key The key for the attribute. ### value The value for the attribute. ### MailingAddress A mailing address for customers and shipping. ### address1 The first line of the address. This is usually the street address or a P.O. Box number. ### address2 The second line of the address. This is usually an apartment, suite, or unit number. ### city The name of the city, district, village, or town. ### country The name of the country. ### countryCode The two-letter code that represents the country, for example, US. The country codes generally follows ISO 3166-1 alpha-2 guidelines. ### firstName The customer’s first name. ### lastName The customer’s last name. ### phone The phone number for this mailing address as entered by the customer. ### province The region of the address, such as the province, state, or district. ### provinceCode The two-letter code for the region. For example, ON. ### zip The ZIP or postal code of the address. ### Delivery The delivery information for the event. ### selectedDeliveryOptions The selected delivery options for the event. ### DeliveryOption Represents a delivery option that the customer can choose from. ### cost The cost of the delivery option. ### costAfterDiscounts The cost of the delivery option after discounts have been applied. ### description The description of the delivery option. ### handle The unique identifier of the delivery option. ### title The title of the delivery option. ### type The type of delivery option. - `pickup` - `pickupPoint` - `shipping` - `local` ### MoneyV2 A monetary value with currency. ### amount The decimal money amount. ### currencyCode The three-letter code that represents the currency, for example, USD. Supported codes include standard ISO 4217 codes, legacy codes, and non- standard codes. ### DiscountApplication The information about the intent of the discount. ### allocationMethod The method by which the discount's value is applied to its entitled items. - `ACROSS`: The value is spread across all entitled lines. - `EACH`: The value is applied onto every entitled line. ### targetSelection How the discount amount is distributed on the discounted lines. - `ALL`: The discount is allocated onto all the lines. - `ENTITLED`: The discount is allocated onto only the lines that it's entitled for. - `EXPLICIT`: The discount is allocated onto explicitly chosen lines. ### targetType The type of line (i.e. line item or shipping line) on an order that the discount is applicable towards. - `LINE_ITEM`: The discount applies onto line items. - `SHIPPING_LINE`: The discount applies onto shipping lines. ### title The customer-facing name of the discount. If the type of discount is a `DISCOUNT_CODE`, this `title` attribute represents the code of the discount. ### type The type of the discount. - `AUTOMATIC`: A discount automatically at checkout or in the cart without the need for a code. - `DISCOUNT_CODE`: A discount applied onto checkouts through the use of a code. - `MANUAL`: A discount that is applied to an order by a merchant or store owner manually, rather than being automatically applied by the system or through a script. - `SCRIPT`: A discount applied to a customer's order using a script ### value The value of the discount. Fixed discounts return a `Money` Object, while Percentage discounts return a `PricingPercentageValue` object. ### PricingPercentageValue A value given to a customer when a discount is applied to an order. The application of a discount with this value gives the customer the specified percentage off a specified item. ### percentage The percentage value of the object. ### CheckoutLineItem A single line item in the checkout, grouped by variant and attributes. ### discountAllocations The discounts that have been applied to the checkout line item by a discount application. ### finalLinePrice The combined price of all of the items in the line item after line-level discounts have been applied. This property is only available if the shop has [upgraded to Checkout Extensibility](https://help.shopify.com/manual/checkout-settings/checkout-extensibility/checkout-upgrade). ### id A globally unique identifier. ### properties The properties of the line item. A shop may add, or enable customers to add custom information to a line item. Line item properties consist of a key and value pair. This property is only available if the shop has [upgraded to Checkout Extensibility](https://help.shopify.com/manual/checkout-settings/checkout-extensibility/checkout-upgrade). ### quantity The quantity of the line item. ### sellingPlanAllocation The selling plan associated with the line item and the effect that each selling plan has on variants when they're purchased. This property is only available if the shop has [upgraded to Checkout Extensibility](https://help.shopify.com/manual/checkout-settings/checkout-extensibility/checkout-upgrade). ### title The title of the line item. Defaults to the product's title. ### variant Product variant of the line item. ### DiscountAllocation The discount that has been applied to the checkout line item. ### amount The monetary value with currency allocated to the discount. ### discountApplication The information about the intent of the discount. ### Property The line item additional custom properties. ### key The key for the property. ### value The value for the property. ### SellingPlanAllocation Represents an association between a variant and a selling plan. ### sellingPlan A representation of how products and variants can be sold and purchased. For example, an individual selling plan could be '6 weeks of prepaid granola, delivered weekly'. ### SellingPlan Represents how products and variants can be sold and purchased. ### id A globally unique identifier. ### name The name of the selling plan. For example, '6 weeks of prepaid granola, delivered weekly'. ### ProductVariant A product variant represents a different version of a product, such as differing sizes or differing colors. ### id A globally unique identifier. ### image Image associated with the product variant. This field falls back to the product image if no image is available. ### price The product variant’s price. ### product The product object that the product variant belongs to. ### sku The SKU (stock keeping unit) associated with the variant. ### title The product variant’s title. ### untranslatedTitle The product variant’s untranslated title. ### Image An image resource. ### src The location of the image as a URL. ### Product A product is an individual item for sale in a Shopify store. ### id The ID of the product. ### title The product’s title. ### type The [product type](https://help.shopify.com/en/manual/products/details/product-type) specified by the merchant. ### untranslatedTitle The product’s untranslated title. ### url The relative URL of the product. ### vendor The product’s vendor name. ### Localization Information about the active localized experience. ### country The country of the active localized experience. ### language The language of the active localized experience. ### market The market including the country of the active localized experience. ### Country A country. ### isoCode The ISO-3166-1 code for this country, for example, "US". ### Language A language. ### isoCode The BCP-47 language tag. It may contain a dash followed by an ISO 3166-1 alpha-2 region code, for example, "en-US". ### Market A group of one or more regions of the world that a merchant is targeting for sales. To learn more about markets, refer to [this](https://shopify.dev/docs/apps/markets) conceptual overview. ### handle A human-readable, shop-scoped identifier. ### id A globally unique identifier. ### Order An order is a customer’s completed request to purchase one or more products from a shop. An order is created when a customer completes the checkout process. ### customer The customer that placed the order. ### id The ID of the order. ID will be null for all events except checkout_completed. ### OrderCustomer The customer that placed the order. ### id The ID of the customer. ### isFirstOrder Indicates if the order is the customer’s first order. This property is only available if the shop has [upgraded to Checkout Extensibility](https://help.shopify.com/en/manual/checkout-settings/checkout-extensibility/checkout-upgrade). ### ShippingRate A shipping rate to be applied to a checkout. ### price Price of this shipping rate. ### Transaction A transaction associated with a checkout or order. ### amount The monetary value with currency allocated to the transaction method. ### gateway The name of the payment provider used for the transaction. ### paymentMethod The payment method used for the transaction. This property is only available if the shop has [upgraded to Checkout Extensibility](https://help.shopify.com/en/manual/checkout-settings/checkout-extensibility/checkout-upgrade). ### TransactionPaymentMethod The payment method used for the transaction. This property is only available if the shop has [upgraded to Checkout Extensibility](https://help.shopify.com/en/manual/checkout-settings/checkout-extensibility/checkout-upgrade). ### name The name of the payment method used for the transaction. This may further specify the payment method used. ### type The type of payment method used for the transaction. - `creditCard`: A vaulted or manually entered credit card. - `redeemable`: A redeemable payment method, such as a gift card or store credit. - `deferred`: A [deferred payment](https://help.shopify.com/en/manual/orders/deferred-payments), such as invoicing the buyer and collecting payment later. - `local`: A [local payment method](https://help.shopify.com/en/manual/payments/shopify-payments/local-payment-methods) specific to the current region or market. - `manualPayment`: A manual payment method, such as an in-person retail transaction. - `paymentOnDelivery`: A payment that will be collected on delivery. - `wallet`: An integrated wallet, such as PayPal, Google Pay, Apple Pay, etc. - `offsite`: A payment processed outside of Shopify's checkout, excluding integrated wallets. - `customOnSite`: A custom payment method that is processed through a checkout extension with a payments app. - `other`: Another type of payment not defined here. ### EventType ### AdvancedDom ### Custom ### Dom ### Meta ### Standard