Share Email Facebook Twitter LinkedIn XYZ.BasisX Property The basis of the X axis.Namespace: Autodesk.Revit.DBAssembly: RevitAPI (in RevitAPI.dll) Version: 25.3.0.0 (25.3.0.0) Syntax C# public static XYZ BasisX { get; }Property ValueXYZ RemarksThe basis of the X axis is the vector (1,0,0), the unit vector on the X axis. See AlsoReferenceXYZ ClassAutodesk.Revit.DB Namespace