API Reference > geometry-core > CartesianGeometry > XYZ > accessX accessX MethodStatic Look for (in order) an x coordinate present as: arg.x arg[0] accessX(arg: any, defaultValue?: number): number | undefined Parameter Type Description arg any defaultValue number Returns - number | undefined Defined in core/geometry/src/geometry3d/Point3dVector3d.ts Line 62 Last Updated: 15 June, 2021