Share Email Facebook Twitter LinkedIn FamilyParameterSet.Contains Method Namespace: Autodesk.Revit.DBAssembly: RevitAPI (in RevitAPI.dll) Version: 25.3.0.0 (25.3.0.0) Syntax C# public virtual bool Contains( FamilyParameter item )Parametersitem FamilyParameter Return ValueBoolean See AlsoReferenceFamilyParameterSet ClassAutodesk.Revit.DB Namespace