Whether to save the new model as a central instead of local model. True: save as a central model. Default is false: save as a local model. 
   Namespace:   Autodesk.Revit.DB  
  Assembly:   RevitAPI  (in RevitAPI.dll) Version: 2015.0.0.0 (2015.0.0.0) 
  Since:  2014 
Syntax
Remarks
 Must be true for a model where the model has not yet been saved as a central after either worksharing has just been enabled or the model was opened detached from central and .