Thanks , I ended up adding a new component in C++ which had a set name, and then just referencing that.
I did run into a problem adding a new component (in code) to a blueprinted objected I had already created - because the new component didn’t show up. I believe this is a known issue and has been fixed (?) in later builds. Anyway, If anyone else comes across this I ended up having to re-create my blueprint and manually transfer all of the old values I had to make the component show up.