# MACaptionAppearanceCopySelectedLanguages(_:) Returns the preferred caption languages. ``` func MACaptionAppearanceCopySelectedLanguages(_ domain: MACaptionAppearanceDomain) -> Unmanaged ``` ## Parameters `domain` The domain to retrieve the preference value from. See [`MACaptionAppearanceDomain`](/documentation/MediaAccessibility/MACaptionAppearanceDomain). Pass [`MACaptionAppearanceDomain.user`](/documentation/MediaAccessibility/MACaptionAppearanceDomain/user) unless the system defaults are needed for comparison. ## Return Value An ordered array of preferred canonical language identifiers. ## Discussion Languages added using the [`MACaptionAppearanceAddSelectedLanguage(_:_:)`](/documentation/MediaAccessibility/MACaptionAppearanceAddSelectedLanguage(_:_:)) function are normalized. As a result, the contents of the returned array may have slightly different strings from those passed into [`MACaptionAppearanceAddSelectedLanguage(_:_:)`](/documentation/MediaAccessibility/MACaptionAppearanceAddSelectedLanguage(_:_:)). --- 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)