From the CADD Microsystems website:
Prepopulating your Families for the COBie Extension and Classification Manager
Jul 7, 2017
By Jason Kunkel
Out of the box, the Autodesk COBie Extension for Revit and the Autodesk Classification Manager for Revit add-ins will not function in the Family Editor workspace. What that means is that you cannot use the add-in buttons to assign settings or classifications when you are not in a Revit project.
However, if you want to set up your families with the default…