---
title: "AUParameterFormatValue(_:_:_:_:)"
framework: audiotoolbox
role: symbol
role_heading: Function
path: "audiotoolbox/auparameterformatvalue(_:_:_:_:)"
---

# AUParameterFormatValue(_:_:_:_:)

## Declaration

```swift
func AUParameterFormatValue(_ inParameterValue: Float64, _ inParameter: UnsafePointer<AudioUnitParameter>, _ inTextBuffer: UnsafeMutablePointer<CChar>, _ inDigits: UInt32) -> UnsafeMutablePointer<CChar>
```

## See Also

### Monitoring Parameter Changes

- [AUListenerCreateWithDispatchQueue(_:_:_:_:)](audiotoolbox/aulistenercreatewithdispatchqueue(_:_:_:_:).md)
- [AUListenerCreate(_:_:_:_:_:_:)](audiotoolbox/aulistenercreate(_:_:_:_:_:_:).md)
- [AUParameterListenerNotify(_:_:_:)](audiotoolbox/auparameterlistenernotify(_:_:_:).md)
- [AUParameterSet(_:_:_:_:_:)](audiotoolbox/auparameterset(_:_:_:_:_:).md)
- [AUParameterValueFromLinear(_:_:)](audiotoolbox/auparametervaluefromlinear(_:_:).md)
- [AUParameterValueToLinear(_:_:)](audiotoolbox/auparametervaluetolinear(_:_:).md)
- [AUParameterListenerBlock](audiotoolbox/auparameterlistenerblock.md)
- [AUParameterListenerProc](audiotoolbox/auparameterlistenerproc.md)
- [AUParameterListenerRef](audiotoolbox/auparameterlistenerref.md)
- [AUImplementorDisplayNameWithLengthCallback](audiotoolbox/auimplementordisplaynamewithlengthcallback.md)
- [AUImplementorStringFromValueCallback](audiotoolbox/auimplementorstringfromvaluecallback.md)
- [AUImplementorValueFromStringCallback](audiotoolbox/auimplementorvaluefromstringcallback.md)