API Reference > geometry-core > CartesianGeometry > Point2dArrayCarrier > getPoint2dAtCheckedPointIndex getPoint2dAtCheckedPointIndex Method Access by index, returning strongly typed Point2d getPoint2dAtCheckedPointIndex(index: number, result?: Point2d): Point2d | undefined Parameter Type Description index number index of point within the array result Point2d caller-allocated destination Returns - Point2d | undefined undefined if the index is out of bounds Defined in core/geometry/src/geometry3d/Point2dArrayCarrier.ts Line 39 Last Updated: 15 June, 2021