How do I call the functions in VRTK?

I'm using the VR Tool Kit, and I just can't figure out how to use any of the data it spits out. The documentation is zero help. I've got it set up that when I push any of the vive controller buttons, it spits out the button name, and thats great. But I want to use that to trigger other things (like animations), and I can't figure out how to latch onto those button names VRTK announces in my own code. I just need a basic example so I can connect the dots here.

I also tried looking at the...

How do I call the functions in VRTK?