In addition to elements such as Revit Levels and Grids, the new CASE tools allow the user to control Revit Families and parameters
The following video demonstrates the creation of a Revit-based truss using Grasshopper information. The video also shows how the tools allow the user to update element positions without rebuilding or re-instantiating the created objects. The tools also provide a way to control Revit Family parameters from within Grasshopper.
Get ready TEX-FAB... the CASE workshop is going to be a doozy!