Insertion Point for Trimble to place on Families/Equipment

Create a point that you can assign a hanger type and place on a revit family. For example, a Fan or Fan Coil Unit will have locations where hangers will go. If we could place something there, when you run the HANGER PLACEMENT, it would recognize that point or location and place the proper hanger. It would have to be something that you could assign the hanger TYPE and editable. Since it won't always be say, 3/8" hanger rod. It may be 1/2" rod.