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# CFXMLParserReleaseCallBack

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

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

## Parameters

`info`

The program-defined context data you specified in the [`CFXMLParserContext`](/documentation/CoreFoundation/CFXMLParserContext) structure when creating the parser.

## Discussion

---

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