API Reference > bentleyjs-core > Ids > OrderedId64Iterable > OrderedId64Iterable.isEmptySet OrderedId64Iterable.isEmptySet Function Given an ordered collection of Id64Strings, determine if it contains any Ids. isEmptySet(ids: string | OrderedId64Iterable): boolean Parameter Type Description ids string | OrderedId64Iterable A well-formed, ordered collection of zero or more valid Ids. Returns - boolean true if the input represents an empty set of Ids. The result is unspecified if the input does not meet the criteria for the input type. Defined in core/bentley/src/OrderedId64Iterable.ts Line 85 Last Updated: 11 June, 2024