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id: 948664c3-ec7f-4ae8-b791-8a8b3c0c1f7a
title: 'off'
slug: /js/reference/chat/client/off
max-toc-depth: 3
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* **off**(`event`, `fn?`)

Remove an event handler.

#### Parameters

| Name    | Type     | Description                                                                                        |
| :------ | :------- | :------------------------------------------------------------------------------------------------- |
| `event` | `string` | Name of the event. See the list of [events](/docs/browser-sdk/v3/js/reference/chat/client/events). |
| `fn?`   | Function | An event handler which had been previously attached.                                               |