Does anyone know of a good introduction to light path expression in Mantra/Karma? Me silly search skillz only came up with other softwares.

Thx!

https://www.sidefx.com/docs/houdini/render/lpe.html [www.sidefx.com]

Also drop-down menu for AOVs have some examples

Thank you - I was unaware of the the drop-down menu examples.

I was hoping for a video tutorial explanation because the visual part of my brain is available whilst the language comprehesion area is at capcity right now