API Reference > bentleyjs-core > Ids > OrderedId64Iterable > OrderedId64Iterable.unique OrderedId64Iterable.unique Function Given an ordered collection of Id64Strings possibly containing duplicates, produce an ordered collection containing no duplicates. unique(ids: OrderedId64Iterable): OrderedId64Iterable note If the inputs are not ordered as required by OrderedId64Iterable, the results are unpredictable. Parameter Type Description ids OrderedId64Iterable Returns - OrderedId64Iterable Defined in core/bentley/src/OrderedId64Iterable.ts Line 95 Last Updated: 12 June, 2024