SteamVR get which type of VR headset (htc vive, valve index, oculus rift) the player uses

Hey guys!
I hope I use this new forum correctly …
I am currently building a VR experience and need to show different controller models and control schemes for different VR HMDs. For that I’m trying to get the Headset manufacturer and model number. I saw a c++ function in the SteamVR plugin called GetVersionString() but it isn’t exposed to blueprints and I am too much of a newb to make it into a blueprint function library class to use in blueprinting.
Could somebody help me out with either finding another way to do this or walk me through the creation of such a custom BP node?
Thank you very much and have a nice day!