Share Email Facebook Twitter LinkedIn FamilySymbolFilter.FamilyId Property The family id. Namespace: Autodesk.Revit.DBAssembly: RevitAPI (in RevitAPI.dll) Version: 26.4.0.0 (26.4.0.0) Syntax C# public ElementId FamilyId { get; }Property ValueElementId See AlsoReferenceFamilySymbolFilter ClassAutodesk.Revit.DB Namespace