---
title: Predefined Callback Structures
framework: corefoundation
role: collectionGroup
role_heading: API Collection
path: corefoundation/cfbinaryheap-predefined-callback-structures
---

# Predefined Callback Structures

CFBinaryHeap provides some predefined callbacks for your convenience.

## Topics

### Constants

- [kCFStringBinaryHeapCallBacks](corefoundation/kcfstringbinaryheapcallbacks.md)