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## Resource: onSelectionChange()

## Article: onSelectionChange()

## Article Link: https://dev.wix.com/docs/sdk/host-modules/editor/elements/on-selection-change.md

## Article Content:

# onSelectionChange()

This method registers a callback function as an event handler. The event is triggered when the user changes the element selection in the editor.

## Syntax

```ts
function onSelectionChange(handler: (elements: Element[]) => void): void
```

## Parameters

| Name | Type | Description |
| :---- | :---- | :---- |
| `handler` | (elements: [Element](https://dev.wix.com/docs/sdk/host-modules/editor/elements/element/introduction.md)[]) => void | Callback function that receives an array of selected elements. |

## Example

```javascript
import { editor, elements } from '@wix/editor';
import { createClient } from '@wix/sdk';

const client = createClient({
  host: editor.host(),
  modules: { elements }

elements.onSelectionChange((selectedElements) => {
  console.log('Selected elements:', selectedElements);
  }
});
```