---
title: CFXMLParserReleaseCallBack
framework: Core Foundation
role: symbol
role_heading: Type Alias
path: corefoundation/cfxmlparserreleasecallback
---

# CFXMLParserReleaseCallBack

Callback function invoked by the parser when it wants to release a reference to the information pointer.

## Declaration

```swift
typealias CFXMLParserReleaseCallBack = (UnsafeRawPointer?) -> Void
```

## Parameters

- `info`: The program-defined context data you specified in the doc://com.apple.corefoundation/documentation/CoreFoundation/CFXMLParserContext structure when creating the parser.

## See Also

### Callbacks

- [CFXMLParserAddChildCallBack](corefoundation/cfxmlparseraddchildcallback.md)
- [CFXMLParserCopyDescriptionCallBack](corefoundation/cfxmlparsercopydescriptioncallback.md)
- [CFXMLParserCreateXMLStructureCallBack](corefoundation/cfxmlparsercreatexmlstructurecallback.md)
- [CFXMLParserEndXMLStructureCallBack](corefoundation/cfxmlparserendxmlstructurecallback.md)
- [CFXMLParserHandleErrorCallBack](corefoundation/cfxmlparserhandleerrorcallback.md)
- [CFXMLParserResolveExternalEntityCallBack](corefoundation/cfxmlparserresolveexternalentitycallback.md)
- [CFXMLParserRetainCallBack](corefoundation/cfxmlparserretaincallback.md)