***

id: b9ef519e-5df7-4835-87c0-f5e985a11066
title: updateCamera
slug: /js/reference/video/room-session-screen-share/update-camera
description: updateCamera method for the RoomSessionScreenShare class.
max-toc-depth: 3
----------------

### updateCamera

▸ **updateCamera**(`constraints`): `Promise<void>`

Replaces the current camera stream with the one coming from a different device.

#### Parameters

<ParamField path="constraints" type="MediaTrackConstraints" required={true}>
  Specify the constraints that the device should satisfy. See [MediaTrackConstraints](https://developer.mozilla.org/en-US/docs/Web/API/MediaTrackConstraints).
</ParamField>

#### Returns

`Promise<void>`

#### Example

```javascript
await screenShareObj.updateCamera({
  deviceId: "/o4ZeWzroh+8q0Ds/CFfmn9XpqaHzmW3L/5ZBC22CRg=",
});
```