---
title: "AUListenerAddParameter(_:_:_:)"
framework: audiotoolbox
role: symbol
role_heading: Function
path: "audiotoolbox/aulisteneraddparameter(_:_:_:)"
---

# AUListenerAddParameter(_:_:_:)

## Declaration

```swift
func AUListenerAddParameter(_ inListener: AUParameterListenerRef, _ inObject: UnsafeMutableRawPointer?, _ inParameter: UnsafePointer<AudioUnitParameter>) -> OSStatus
```

## See Also

### Responding to Events

- [AUEventListenerCreateWithDispatchQueue(_:_:_:_:_:)](audiotoolbox/aueventlistenercreatewithdispatchqueue(_:_:_:_:_:).md)
- [AUEventListenerCreate(_:_:_:_:_:_:_:)](audiotoolbox/aueventlistenercreate(_:_:_:_:_:_:_:).md)
- [AUListenerDispose(_:)](audiotoolbox/aulistenerdispose(_:).md)
- [AUEventListenerNotify(_:_:_:)](audiotoolbox/aueventlistenernotify(_:_:_:).md)
- [AUEventListenerAddEventType(_:_:_:)](audiotoolbox/aueventlisteneraddeventtype(_:_:_:).md)
- [AUEventListenerRemoveEventType(_:_:_:)](audiotoolbox/aueventlistenerremoveeventtype(_:_:_:).md)
- [AUListenerRemoveParameter(_:_:_:)](audiotoolbox/aulistenerremoveparameter(_:_:_:).md)
- [AUEventListenerBlock](audiotoolbox/aueventlistenerblock.md)