# Session Keys Keys used when specifying session information. ## Topics ### Constants [`var kODSessionDefault: Unmanaged!`](/documentation/OpenDirectory/kODSessionDefault) The default session. Used if there is no need to create a specific reference. [`let kODSessionProxyAddress: CFString!`](/documentation/OpenDirectory/kODSessionProxyAddress) The address to connect to via proxy. The value is of type `CFString`. [`let kODSessionProxyPort: CFString!`](/documentation/OpenDirectory/kODSessionProxyPort) The port to connect to via proxy. The value is of type `CFNumber`. [`let kODSessionProxyUsername: CFString!`](/documentation/OpenDirectory/kODSessionProxyUsername) The username to connect with via proxy. The value is of type `CFString`. [`let kODSessionProxyPassword: CFString!`](/documentation/OpenDirectory/kODSessionProxyPassword) The password to connect with via proxy. The value is of type `CFString`. --- 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)