So i am trying to create my own shader, i am just unable to find how to add OGL option like the mantra surface shader
I looked in the parameter interface but wasnt able to find the proper options

Also if you have any tips or tutorial about that matter would be welcome as i have zero knowledge of the openGL setup

thanks

they are all in Rendering Parameters/SHOP Options/OGL tab, just add them through gear icon

Ok in the help file search

Shader (SHOP) properties

everything is there