---
title: AudioQueueParameterEvent
framework: audiotoolbox
role: symbol
role_heading: Structure
path: audiotoolbox/audioqueueparameterevent
---

# AudioQueueParameterEvent

Specifies an audio queue parameter and associated value.

## Declaration

```swift
struct AudioQueueParameterEvent
```

## Overview

Overview You use this structure with the AudioQueueEnqueueBufferWithParameters(_:_:_:_:_:_:_:_:_:_:) function. See that function, and Audio Queue Parameters, for more information.

## Topics

### Initializers

- [init()](audiotoolbox/audioqueueparameterevent/init().md)
- [init(mID:mValue:)](audiotoolbox/audioqueueparameterevent/init(mid:mvalue:).md)

### Instance Properties

- [mID](audiotoolbox/audioqueueparameterevent/mid.md)
- [mValue](audiotoolbox/audioqueueparameterevent/mvalue.md)

## Relationships

### Conforms To

- [BitwiseCopyable](swift/bitwisecopyable.md)
- [Sendable](swift/sendable.md)

## See Also

### Data Types

- [AudioQueueChannelAssignment](audiotoolbox/audioqueuechannelassignment.md)
- [AudioQueueProcessingTapFlags](audiotoolbox/audioqueueprocessingtapflags.md)
- [AudioQueueBuffer](audiotoolbox/audioqueuebuffer.md)
- [AudioQueueBufferRef](audiotoolbox/audioqueuebufferref.md)
- [AudioQueueLevelMeterState](audiotoolbox/audioqueuelevelmeterstate.md)
- [AudioQueueParameterID](audiotoolbox/audioqueueparameterid.md)
- [AudioQueueParameterValue](audiotoolbox/audioqueueparametervalue.md)
- [AudioQueueProcessingTapCallback](audiotoolbox/audioqueueprocessingtapcallback.md)
- [AudioQueueProcessingTapRef](audiotoolbox/audioqueueprocessingtapref.md)