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# DAUnregisterCallback(_:_:_:)

Unregisters a registered callback function.

```
func DAUnregisterCallback(_ session: DASession, _ callback: UnsafeMutableRawPointer, _ context: UnsafeMutableRawPointer?)
```

## Parameters

`session`

The session object.

`callback`

The registered callback function.

`context`

The user-defined context parameter.

## Discussion

---

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