Hey all,
I would like to know how to use all of these Material-Expressions that are shown here.
I can’t find a way to implement these sub-Implementations at all.
I hope there is one out there knowing that.
Thanks in advance!
If I were intelligent I would have copied the right path in the certain directory 
that’s the way you do ^^
all the nodes are explained in detail, and often with examples over here: