# init(_:isExpanded:content:) Creates a disclosure group, using a provided localized string key to create a text view for the label, and a binding to the expansion state (expanded or collapsed). ``` nonisolated init(_ titleKey: LocalizedStringKey, isExpanded: Binding, @ContentBuilder content: @escaping () -> Content) ``` ## Parameters `titleKey` The key for the localized label of `self` that describes the content of the disclosure group. `isExpanded` A binding to a Boolean value that determines the group’s expansion state (expanded or collapsed). `content` The content shown when the disclosure group expands. --- 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)