# subscript(_:_:) Gets or sets the component of the specified type. ``` @MainActor @preconcurrency subscript(componentType: T.Type, backDeploy: Void = ()) -> T? where T : Component { 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)