API Reference > bentleyjs-core > Ids > Id64 > Id64.isValidUint32Pair Id64.isValidUint32Pair Function Returns true if the inputs represent two halves of a valid 64-bit Id. isValidUint32Pair(lowBytes: number, highBytes: number): boolean see Id64.Uint32Pair. Parameter Type Description lowBytes number highBytes number Returns - boolean Defined in core/bentley/src/Id.ts Line 268 Last Updated: 12 June, 2024