# subscript(dynamicMember:) Returns a modified attribute container as part of building a chain of attributes, for use as a static method. ``` static subscript(dynamicMember keyPath: KeyPath) -> AttributeContainer.Builder where K : AttributedStringKey { get } ``` ## Discussion This method returns an [`AttributeContainer.Builder`](/documentation/Foundation/AttributeContainer/Builder), which allows you to chain multiple attributes in a single call, like this: ```swift // An attribute container with the link and backgroundColor attributes. let myContainer = AttributeContainer.link(myURL).backgroundColor(.yellow) ``` --- 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)