API Reference > geometry-core > ArraysAndInterfaces > GrowableXYZArray > setXYZAtCheckedPointIndex setXYZAtCheckedPointIndex Method Set the coordinates of a single point given as coordinates setXYZAtCheckedPointIndex(pointIndex: number, x: number, y: number, z: number): boolean Parameter Type Description pointIndex number index of point to set x number x coordinate y number y coordinate z number z coordinate Returns - boolean Defined in core/geometry/src/geometry3d/GrowableXYZArray.ts Line 404 Last Updated: 13 June, 2024