To extract all of the related keynotes as in csi codes into excel

[Yna_Db]

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List all Families and Family Types in a Revit project

Hi, That’s because windows are instance based families, while walls, floors, roofs, ceilings and similar are system based families. ( pretty much anything that can not be created from a family template and resides only in the project document) You can use the built-in “All Elements of Type” node to fetch those: [2016-04-28_10-33-39]