# tagsInRange:unit:scheme:options:tokenRanges: Finds an array of linguistic tags and token ranges for a given string range and linguistic unit. ``` - (NSArray *) tagsInRange:(NSRange) range unit:(NLTokenUnit) unit scheme:(NLTagScheme) scheme options:(NLTaggerOptions) options tokenRanges:(NSArray **) tokenRanges; ``` ## Parameters `range` The range from which to return tags. `unit` The linguistic unit. See [`NLTokenUnit`](/documentation/NaturalLanguage/NLTokenUnit) for possible values. `scheme` The tag scheme. See [`NLTagScheme`](/documentation/NaturalLanguage/NLTagScheme) for possible values. `options` The linguistic tagger options to use. See [`NLTagger.Options`](/documentation/NaturalLanguage/NLTagger/Options) for possible values. `tokenRanges` Returns by reference an array of token ranges. ## Return Value An array of the tags in the requested range. ## Discussion When the returned array contains an entry that doesn’t have a corresponding tag scheme, that entry is an empty string (””). --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)