---
title: AUMIDIEventListBlock
framework: audiotoolbox
role: symbol
role_heading: Type Alias
path: audiotoolbox/aumidieventlistblock
---

# AUMIDIEventListBlock

## Declaration

```swift
typealias AUMIDIEventListBlock = (AUEventSampleTime, UInt8, UnsafePointer<MIDIEventList>) -> OSStatus
```

## See Also

### Data Types

- [AudioFileComponentGetUserDataAtOffsetProc](audiotoolbox/audiofilecomponentgetuserdataatoffsetproc.md)
- [AudioFileComponentGetUserDataSize64Proc](audiotoolbox/audiofilecomponentgetuserdatasize64proc.md)
- [CallHostBlock](audiotoolbox/callhostblock.md)