---
title: createFormatFromDictionary
framework: kernel
role: symbol
role_heading: Type Method
path: kernel/ioaudiostream/1580025-createformatfromdictionary
---

# createFormatFromDictionary

## Declaration

```occ
static IOAudioStreamFormat * createFormatFromDictionary(const OSDictionary *formatDict, IOAudioStreamFormat *streamFormat, IOAudioStreamFormatExtension *formatExtension);
```