API Reference > geometry-core > Bspline > InterpolationCurve3dOptions > captureOptionalProps captureOptionalProps Method One step setup of properties not named in constructor. CAPTURE pointers to tangents. OPTIONALLY downgrade "0" values to undefined. captureOptionalProps(order: undefined | number, closed: undefined | boolean, isChordLenKnots: undefined | number, isColinearTangents: undefined | number, isChordLenTangent: undefined | number, isNaturalTangents: undefined | number, startTangent: undefined | Vector3d, endTangent: undefined | Vector3d): void Parameter Type Description order undefined | number closed undefined | boolean isChordLenKnots undefined | number isColinearTangents undefined | number isChordLenTangent undefined | number isNaturalTangents undefined | number startTangent undefined | Vector3d endTangent undefined | Vector3d Returns - void Defined in bspline/InterpolationCurve3d.ts Line 102 Last Updated: 11 June, 2024