# withSession(_:) Synchronously begins a session, executes the given closure, and ends the session. ``` func withSession(_ body: @escaping () throws -> T) throws -> T ``` ## Parameters `body` A closure to be called in the context of the created session. --- 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)