Multiple Cameras displayed in 1 HUD

Development Cinematics & Media
1

I dont know what its called but does anyone know how to use the HUD to display what the cameras are depicting?

For example the rear view mirror on a racing game where the rear view mirror on the top draws whats on the back
of the car.

2

2d scene captures :smiley:

3

Alright that nailed it Thank you very much.