---
title: OBS Virtual Streaming
description: Stream your Gravity Sketch collaboration sessions using OBS VirtualCam to share real-time video with teammates across apps like Zoom, Hangouts, or Skype.
---

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# OBS Virtual Streaming

#### Introduction

Use **[OBS Streaming](https://obsproject.com/)** to live stream your collaboration session with other teammates or users.

<iframe height="315" src="https://www.youtube-nocookie.com/embed/7z_IvQvu_2w" style="margin: 10px auto; display: block; clear: both;" width="560" data-hsprotectframeborder="0" data-hsprotectallowfullscreen=""></iframe>

 

---

#### How to use

OBS VirtualCam has two main methods for outputting video from OBS. The first is the Preview output, which is enabled from the Tools menu.

This output will provide exactly what you see in the Preview in OBS, including any changes or scenes you might switch to. This is the most common method, and probably what you would want to use.

1. Add a **VirtualCam** filter to the scene/source you want to output to the virtual camera

1. Choose a camera target then press **Start**

1. If the button does not change to **Stop**, it means the camera is already in use, and you must choose a different camera or stop the other output first

1. Open your program (Zoom, Hangouts, Skype, etc.) and choose the camera you selected as the target for your webcam

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