API Reference > geometry-core > ArraysAndInterfaces > GrowableFloat64Array > setAtUncheckedIndex setAtUncheckedIndex Method Set the value at specified index. setAtUncheckedIndex(index: number, value: number): void Parameter Type Description index number index of entry to set value number value to set Returns - void Defined in core/geometry/src/geometry3d/GrowableFloat64Array.ts Line 80 Last Updated: 15 June, 2021