The send component is the most important one. It wraps up all your Grevit components and sends them to your target application. Once sent, its output returns all Categories, Families and Types as Text of the Revit document. Required: Components (Grevit Components): all your components as a item, list or tree. But make sure you flattened the input. Send (Boolean): place a simple button here to initiate sending. Optional: IP (Text): ip of the receiving application, default is localhost. Port (Number): port of the receiving application, default 8002 TimeOut (Number): if you are sending large models a higher timout vale might be helpful. Update (Boolean): activates the update mode. Erase (Boolean): is already obsolete.