Share Email Facebook Twitter LinkedIn FamilyInstanceFilter.FamilySymbolId Property The family symbol id. Namespace: Autodesk.Revit.DBAssembly: RevitAPI (in RevitAPI.dll) Version: 25.3.0.0 (25.3.0.0) Syntax C# public ElementId FamilySymbolId { get; }Property ValueElementId See AlsoReferenceFamilyInstanceFilter ClassAutodesk.Revit.DB Namespace