Represents a connection between two or more Autodesk Revit Elements. 
   Namespace:   Autodesk.Revit.DB.Structure  
  Assembly:   RevitAPI  (in RevitAPI.dll) Version: 16.0.0.0 (16.0.0.0) 
  Since:  2012 
Syntax
Remarks
- Elements connected via a Hub do not refer directly to each other - they each refer to the Hub that keeps all the connectivity information.
- Hubs connect only structural Analytical Model Elements.