---
title: kCFCopyStringBagCallBacks
framework: corefoundation
role: symbol
role_heading: Global Variable
path: corefoundation/kcfcopystringbagcallbacks
---

# kCFCopyStringBagCallBacks

Predefined CFBagCallBacks structure containing a set of callbacks appropriate for use when the values in a CFBag are all CFString objects. The bag makes immutable copies of the strings placed into it.

## Declaration

```swift
let kCFCopyStringBagCallBacks: CFBagCallBacks
```

## See Also

### Constants

- [kCFTypeBagCallBacks](corefoundation/kcftypebagcallbacks.md)