# input_changed

The `input_changed` event logs an instance where an input value changes.

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

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

    const elementId = element.id;
    const elementValue = element.value;

    const payload = {
      event_name: event.name,
      event_data: {
        id: elementId,
        value: elementValue,
      },
    };

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

```

```javascript
analytics.subscribe('input_changed', (event) => {
  // Example for accessing event data
  const element = event.data.element;

  const elementId = element.id;
  const elementValue = element.value;

  const payload = {
    event_name: event.name,
    event_data: {
      id: elementId,
      value: elementValue,
    },
  };

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

```

## Properties

### PixelEventsInputChanged

The `input_changed` event logs an instance where an input, textarea, or select element on the page has changed

### clientId

value: `string`

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

### data

value: `PixelEventsInputChangedData`

  - PixelEventsInputChanged: export interface PixelEventsInputChanged {
  /**
   * The client-side ID of the customer, provided by Shopify
   */
  clientId?: string;
  data?: PixelEventsInputChangedData;
  /**
   * 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.Dom;
}
  - PixelEventsInputChangedData: export interface PixelEventsInputChangedData {
  element?: InputElement;
}

### 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.Dom`

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

### PixelEventsInputChangedData

### element

value: `InputElement`

  - InputElement: export interface InputElement {
  /**
   * The id attribute of an element
   */
  id?: string | null;

  /**
   * The name attribute of an element
   */
  name?: string | null;

  /**
   * A string representation of the tag of an element
   */
  tagName?: string | null;

  /**
   * The type attribute of an element. Often relevant for an input or button
   * element.
   */
  type?: string | null;

  /**
   * The value attribute of an element. Often relevant for an input element.
   */
  value?: string | null;
}

### InputElement

An object that contains data about an input element type

### id

value: `string | null`

The id attribute of an element

### name

value: `string | null`

The name attribute of an element

### tagName

value: `string | null`

A string representation of the tag of an element

### type

value: `string | null`

The type attribute of an element. Often relevant for an input or button element.

### value

value: `string | null`

The value attribute of an element. Often relevant for an input element.

### EventType

### AdvancedDom

value: `advanced-dom`


### Custom

value: `custom`


### Dom

value: `dom`


### Meta

value: `meta`


### Standard

value: `standard`