# ODSessionCreate(_:_:_:) Creates a session to be passed to node functions. ``` func ODSessionCreate(_ allocator: CFAllocator!, _ options: CFDictionary!, _ error: UnsafeMutablePointer?>!) -> Unmanaged! ``` ## Parameters `allocator` The memory allocator to use. If `NULL`, the default allocator is used. `options` A dictionary of options to associate with the session. `error` An error reference for error details. Can be `NULL`. ## Return Value The created session. ## See Also [Session Keys](/documentation/OpenDirectory/session-keys) Keys used when specifying session information. --- 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)