VR Expansion Plugin

Hello ,

plugin is great! I am developing a VR game and it is going smoothly thanks to your marvelous work.
I have a question regarding the latest update about the VRgrip interface.
I have added the interface into one of my blueprint and I saw the new functions from the interface emerge.
However, I could not find the events that are suppose to come with the interface (event ongrip, etc).
The only thing I did was added the VRgrip interface to my blueprint in the class setting. Am I missing something?