# CFTreeGetChildren(_:_:) Fills a buffer with children from the tree. ``` func CFTreeGetChildren(_ tree: CFTree!, _ children: UnsafeMutablePointer?>!) ``` ## Parameters `tree` The tree to examine. `children` The C array of pointer-sized values to be filled with the children from `tree`. This value must be a valid pointer to a C array of at least the size of the number of children in `tree`. Use the [`CFTreeGetChildCount(_:)`](/documentation/CoreFoundation/CFTreeGetChildCount(_:)) function to obtain the number of children in `tree`. You are responsible for retaining and releasing the returned objects as needed. ## Discussion --- 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)