Ungrouping & Purging All Families in a Model

[Yna_Db]

Hello, please take a look at this discussion:

Editing Revit Groups with Dynamo

Maybe this can help: This was a test challenge i got from a colleague, so its probably gonna need some tweaking. The challenge was to change a yes/no parameter of an instance of a door type, which is in a model group, in a project containing two instances of the same group. [image] The first python-script collects all groups in the project: import clr clr.AddReference('ProtoGeometry') from Autodesk.DesignScript.Geometry import * #Import the Revit API clr.AddReference('…