---
title: "init(mTimeStamp:mCompletionProc:mCompletionProcUserData:mAudioFile:mLoopCount:mStartFrame:mFramesToPlay:)"
framework: audiotoolbox
role: symbol
role_heading: Initializer
path: "audiotoolbox/scheduledaudiofileregion/init(mtimestamp:mcompletionproc:mcompletionprocuserdata:maudiofile:mloopcount:mstartframe:mframestoplay:)"
---

# init(mTimeStamp:mCompletionProc:mCompletionProcUserData:mAudioFile:mLoopCount:mStartFrame:mFramesToPlay:)

## Declaration

```swift
init(mTimeStamp: AudioTimeStamp, mCompletionProc: ScheduledAudioFileRegionCompletionProc?, mCompletionProcUserData: UnsafeMutableRawPointer?, mAudioFile: OpaquePointer, mLoopCount: UInt32, mStartFrame: Int64, mFramesToPlay: UInt32)
```