# init(_:items:subject:message:preview:) Creates an instance, with a custom label, that presents the share interface. ``` nonisolated init(_ title: S, items: Data, subject: Text? = nil, message: Text? = nil, preview: @escaping (Data.Element) -> SharePreview) where S : StringProtocol ``` ## Parameters `title` The title of the share action. `items` The item to share. `subject` A title for the items to show when sharing to activities that support a subject field. `message` A description of the items to show when sharing to activities that support a message field. Activities may support attributed text or HTML strings. `preview` A closure that returns a representation of each item to render in a preview. --- 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)