The custom VendorId attribute for Macros macros use only.
Namespace: Autodesk.Revit.DB.Macros
Assembly: RevitAPI (in RevitAPI.dll) Version: 18.0.0.0 (18.0.0.420)
Since: 2012
Namespace: Autodesk.Revit.DB.Macros
Assembly: RevitAPI (in RevitAPI.dll) Version: 18.0.0.0 (18.0.0.420)
Since: 2012