How can I get volumetric lighting

[CCTVStudios]

I have found this post that seems to have the answer, although he still does not solves the billboard GUI method he is giving me somewhere to start from.

Volumetric Light Effect

Edit 1/15/2021: This tutorial was created using beams. Please note that this tutorial was done using ShadowMap technology and will not work with Future Lighting. There are other methods that can cast shadows in Future Lighting. A few years ago, Future Is Bright released a few beta builds that would embrace the future of Roblox Lighting. Within one of these beta builds was a bug where one could mimic volumetric lighting in said build. Every now and then, I will see people who wish for this featu…

He seems to cast beams into the camera?