Reusing Shaders And Materials

Hello,

What am I doing wrong?

I should look something like this:

Here is my Node - Group:

and Here is my .blend file:
HOW TO MAKE-AUTOMATE YOUR OWN SHADERS LIBRARY.blend (3.1 MB)

Thanks
Sebastian
P.S. I couldn’t fine a specific topic for this lecture.

any one there? is it possible I have something wrong with my startup file? I tried the tutorial again, and it looked like a Christmas ball. It’s very frustating because the rest of Tutorials use the PBR Plastic all the time so I’m stocked.