---
title: kAudioCodecUnknownPropertyError
framework: audiotoolbox
role: symbol
role_heading: Global Variable
path: audiotoolbox/kaudiocodecunknownpropertyerror
---

# kAudioCodecUnknownPropertyError

## Declaration

```swift
var kAudioCodecUnknownPropertyError: OSStatus { get }
```

## See Also

### Constants

- [kAudioCodecBadPropertySizeError](audiotoolbox/kaudiocodecbadpropertysizeerror.md)
- [kAudioCodecIllegalOperationError](audiotoolbox/kaudiocodecillegaloperationerror.md)
- [kAudioCodecNoError](audiotoolbox/kaudiocodecnoerror.md)
- [kAudioCodecNotEnoughBufferSpaceError](audiotoolbox/kaudiocodecnotenoughbufferspaceerror.md)
- [kAudioCodecStateError](audiotoolbox/kaudiocodecstateerror.md)
- [kAudioCodecUnspecifiedError](audiotoolbox/kaudiocodecunspecifiederror.md)
- [kAudioCodecUnsupportedFormatError](audiotoolbox/kaudiocodecunsupportedformaterror.md)
- [kAudioCodecBadDataError](audiotoolbox/kaudiocodecbaddataerror.md)