![how to go in 3rd person in gmod how to go in 3rd person in gmod](https://i.imgur.com/aIJu5sw.gif)
To open it, hold and press the context key (C by default). You cannot put it on entities (this includes players) It cannot view perimeters outside the map.
![how to go in 3rd person in gmod how to go in 3rd person in gmod](https://i.ytimg.com/vi/90VQiRbLuEk/maxresdefault.jpg)
Click that box, press a key, place the camera, now just press the assigned key and you can see through your camera! In the spawn menu there should be a box saying "Toggle" or something similar. Seeing Through the Camera: Press the key that you assigned to the placed camera.