Try to get the right rotation when attach a actor to an

Ok that worked . I should tought about that ,to rotate the scene or arrow component.I know about sockets but i wanted to try it first this way.
I have an other question.
I created a scene component whit a function and interface to checkt if the actor is a wheel or somthing else that can be attached to it… For easy to reuse in other actors an for other parts.
To check if the wheel is a wheel i use an enum.
But i think i am going to need a lot of different enums if i have other parts or different types of wheels.
So i was thinking about using a list of classes to check wich parts can be attached.to .
Is this a better way ,or is there an other way to check if that wheel or other part can be attached to it.