# subscript(_:as:) Get or set attachment value associated with a string key ``` subscript(rawKey: String, as type: Value.Type = Value.self) -> (value: Value, mode: CVAttachmentMode)? where Value : CVAttachmentValueRepresentable { get set } ``` --- 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)