# page_viewed

The `page_viewed` event logs an instance where a customer visited a page. This event is available on the online store, checkout, and **Order status** pages.

```javascript
import {register} from '@shopify/web-pixels-extension';

register(({analytics}) => {
  analytics.subscribe('page_viewed', (event) => {
    // Example for accessing event data
    const timeStamp = event.timestamp;

    const pageEventId = event.id;

    const payload = {
      event_name: event.name,
      event_data: {
        pageEventId: pageEventId,
        timeStamp: timeStamp,
      },
    };

    // 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('page_viewed', (event) => {
  // Example for accessing event data
  const timeStamp = event.timestamp;

  const pageEventId = event.id;

  const payload = {
    event_name: event.name,
    event_data: {
      pageEventId: pageEventId,
      timeStamp: timeStamp,
    },
  };

  // Example for sending event data to third party servers
  fetch('https://example.com/pixel', {
    method: 'POST',
    body: JSON.stringify(payload),
    keepalive: true,
  });
});

```

## Properties

### PixelEventsPageViewed

The `page_viewed` event logs an instance where a customer visited a page. This event is available on the online store, checkout, and **Order status** pages

### clientId

value: `string`

The client-side ID of the customer, provided by Shopify

### context

value: `Context`

  - Context: export interface Context {
  /**
   * Snapshot of a subset of properties of the `document` object in the top
   * frame of the browser
   */
  document?: WebPixelsDocument;

  /**
   * Snapshot of a subset of properties of the `navigator` object in the top
   * frame of the browser
   */
  navigator?: WebPixelsNavigator;

  /**
   * Snapshot of a subset of properties of the `window` object in the top frame
   * of the browser
   */
  window?: WebPixelsWindow;
}

### data

value: `PixelEventsPageViewedData`

  - PixelEventsPageViewed: export interface PixelEventsPageViewed {
  /**
   * The client-side ID of the customer, provided by Shopify
   */
  clientId?: string;
  context?: Context;

  /**
   * No additional data is provided by design. Use the event context to get the
   * page metadata. E.g. `event.context.document.location.href`
   */
  data?: PixelEventsPageViewedData;
  /**
   * The ID of the customer event
   */
  id?: string;

  /**
   * The name of the customer event
   */
  name?: string;

  /**
   * The sequence index number of the event.
   */
  seq?: number;
  /**
   * The timestamp of when the customer event occurred, in [ISO 8601](https://en.wikipedia.org/wiki/ISO_8601) format
   */
  timestamp?: string;
  type?: EventType.Standard;
}
  - PixelEventsPageViewedData: export interface PixelEventsPageViewedData {}
No additional data is provided by design. Use the event context to get the page metadata. E.g. `event.context.document.location.href`

### id

value: `string`

The ID of the customer event

### name

value: `string`

The name of the customer event

### seq

value: `number`

The sequence index number of the event.

### timestamp

value: `string`

The timestamp of when the customer event occurred, in [ISO 8601](https://en.wikipedia.org/wiki/ISO_8601) format

### type

value: `EventType.Standard`

  - EventType: export enum EventType {
  AdvancedDom = 'advanced-dom',
  Custom = 'custom',
  Dom = 'dom',
  Meta = 'meta',
  Standard = 'standard',
}

### Context

A snapshot of various read-only properties of the browser at the time of event

### document

value: `WebPixelsDocument`

  - WebPixelsDocument: export interface WebPixelsDocument {
  /**
   * Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Document),
   * returns the character set being used by the document
   */
  characterSet?: string;

  /**
   * Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Document),
   * returns the URI of the current document
   */
  location?: Location;

  /**
   * Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Document),
   * returns the URI of the page that linked to this page
   */
  referrer?: string;

  /**
   * Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Document),
   * returns the title of the current document
   */
  title?: string;
}
Snapshot of a subset of properties of the `document` object in the top frame of the browser

### navigator

value: `WebPixelsNavigator`

  - WebPixelsNavigator: export interface WebPixelsNavigator {
  /**
   * Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Navigator),
   * returns `false` if setting a cookie will be ignored and true otherwise
   */
  cookieEnabled?: boolean;

  /**
   * 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
   */
  language?: string;

  /**
   * 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
   */
  languages?: ReadonlyArray<string>;

  /**
   * Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Navigator),
   * returns the user agent string for the current browser
   */
  userAgent?: string;
}
Snapshot of a subset of properties of the `navigator` object in the top frame of the browser

### window

value: `WebPixelsWindow`

  - WebPixelsWindow: export interface WebPixelsWindow {
  /**
   * 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
   */
  innerHeight?: number;

  /**
   * 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
   */
  innerWidth?: number;

  /**
   * Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Window), the
   * location, or current URL, of the window object
   */
  location?: Location;

  /**
   * Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Window), the
   * global object's origin, serialized as a string
   */
  origin?: string;

  /**
   * Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Window), gets
   * the height of the outside of the browser window
   */
  outerHeight?: number;

  /**
   * Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Window), gets
   * the width of the outside of the browser window
   */
  outerWidth?: number;

  /**
   * Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Window), an
   * alias for window.scrollX
   */
  pageXOffset?: number;

  /**
   * Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Window), an
   * alias for window.scrollY
   */
  pageYOffset?: number;

  /**
   * 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
   */
  screen?: Screen;

  /**
   * 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
   */
  screenX?: number;

  /**
   * 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
   */
  screenY?: number;

  /**
   * Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Window), the
   * number of pixels that the document has already been scrolled horizontally
   */
  scrollX?: number;

  /**
   * Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Window), the
   * number of pixels that the document has already been scrolled vertically
   */
  scrollY?: number;
}
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

value: `string`

Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Document), returns the character set being used by the document

### location

value: `Location`

  - Location: export interface Location {
  /**
   * Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Location), a
   * string containing a `'#'` followed by the fragment identifier of the URL
   */
  hash?: string;

  /**
   * 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
   */
  host?: string;

  /**
   * Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Location), a
   * string containing the domain of the URL
   */
  hostname?: string;

  /**
   * Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Location), a
   * string containing the entire URL
   */
  href?: string;

  /**
   * 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
   */
  origin?: string;

  /**
   * 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
   */
  pathname?: string;

  /**
   * Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Location), a
   * string containing the port number of the URL
   */
  port?: string;

  /**
   * Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Location), a
   * string containing the protocol scheme of the URL, including the final `':'`
   */
  protocol?: string;

  /**
   * 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
   */
  search?: string;
}
Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Document), returns the URI of the current document

### referrer

value: `string`

Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Document), returns the URI of the page that linked to this page

### title

value: `string`

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

value: `string`

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

value: `string`

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

value: `string`

Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Location), a string containing the domain of the URL

### href

value: `string`

Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Location), a string containing the entire URL

### origin

value: `string`

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

value: `string`

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

value: `string`

Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Location), a string containing the port number of the URL

### protocol

value: `string`

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

value: `string`

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

value: `boolean`

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

value: `string`

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

value: `ReadonlyArray<string>`

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

value: `string`

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

value: `number`

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

value: `number`

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

value: `Location`

  - Location: export interface Location {
  /**
   * Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Location), a
   * string containing a `'#'` followed by the fragment identifier of the URL
   */
  hash?: string;

  /**
   * 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
   */
  host?: string;

  /**
   * Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Location), a
   * string containing the domain of the URL
   */
  hostname?: string;

  /**
   * Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Location), a
   * string containing the entire URL
   */
  href?: string;

  /**
   * 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
   */
  origin?: string;

  /**
   * 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
   */
  pathname?: string;

  /**
   * Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Location), a
   * string containing the port number of the URL
   */
  port?: string;

  /**
   * Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Location), a
   * string containing the protocol scheme of the URL, including the final `':'`
   */
  protocol?: string;

  /**
   * 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
   */
  search?: string;
}
Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Window), the location, or current URL, of the window object

### origin

value: `string`

Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Window), the global object's origin, serialized as a string

### outerHeight

value: `number`

Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Window), gets the height of the outside of the browser window

### outerWidth

value: `number`

Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Window), gets the width of the outside of the browser window

### pageXOffset

value: `number`

Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Window), an alias for window.scrollX

### pageYOffset

value: `number`

Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Window), an alias for window.scrollY

### screen

value: `Screen`

  - Screen: export interface Screen {
  /**
   * Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Screen/height),
   * the height of the screen
   */
  height?: number;

  /**
   * Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Screen/width),
   * the width of the screen
   */
  width?: number;
}
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

value: `number`

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

value: `number`

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

value: `number`

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

value: `number`

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

value: `number`

Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Screen/height), the height of the screen

### width

value: `number`

Per [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Screen/width), the width of the screen

### EventType

### AdvancedDom

value: `advanced-dom`


### Custom

value: `custom`


### Dom

value: `dom`


### Meta

value: `meta`


### Standard

value: `standard`