---
title: "ExtAudioFileTell(_:_:)"
framework: audiotoolbox
role: symbol
role_heading: Function
path: "audiotoolbox/extaudiofiletell(_:_:)"
---

# ExtAudioFileTell(_:_:)

Gets an audio file’s read/write position.

## Declaration

```swift
func ExtAudioFileTell(_ inExtAudioFile: ExtAudioFileRef, _ outFrameOffset: UnsafeMutablePointer<Int64>) -> OSStatus
```

## Parameters

- `inExtAudioFile`: The extended audio file object that represents the file you are working with.
- `outFrameOffset`: On output, the file’s current read/write position in sample frames. Read/write position is specified in the sample rate and frame count of the file’s audio data format—not your application’s audio data format.

## Return Value

Return Value A result code.

## See Also

### Reading and Writing Audio Data

- [ExtAudioFileRead(_:_:_:)](audiotoolbox/extaudiofileread(_:_:_:).md)
- [ExtAudioFileSeek(_:_:)](audiotoolbox/extaudiofileseek(_:_:).md)
- [ExtAudioFileWrite(_:_:_:)](audiotoolbox/extaudiofilewrite(_:_:_:).md)
- [ExtAudioFileWriteAsync(_:_:_:)](audiotoolbox/extaudiofilewriteasync(_:_:_:).md)