---
title: "AudioFileComponentGetUserDataSize64(_:_:_:_:)"
framework: audiotoolbox
role: symbol
role_heading: Function
path: "audiotoolbox/audiofilecomponentgetuserdatasize64(_:_:_:_:)"
---

# AudioFileComponentGetUserDataSize64(_:_:_:_:)

## Declaration

```swift
func AudioFileComponentGetUserDataSize64(_ inComponent: AudioFileComponent, _ inUserDataID: UInt32, _ inIndex: UInt32, _ outUserDataSize: UnsafeMutablePointer<UInt64>) -> OSStatus
```

## See Also

### Functions

- [AudioComponentValidateWithResults(_:_:_:)](audiotoolbox/audiocomponentvalidatewithresults(_:_:_:).md)
- [AudioConverterNewWithOptions(_:_:_:_:)](audiotoolbox/audioconverternewwithoptions(_:_:_:_:).md)
- [AudioConverterPrepare(_:_:_:)](audiotoolbox/audioconverterprepare(_:_:_:).md)
- [AudioFileComponentGetUserDataAtOffset(_:_:_:_:_:_:)](audiotoolbox/audiofilecomponentgetuserdataatoffset(_:_:_:_:_:_:).md)