---
title: "init(inParamID:inString:outValue:)"
framework: audiotoolbox
role: symbol
role_heading: Initializer
path: "audiotoolbox/audiounitparametervaluefromstring/init(inparamid:instring:outvalue:)"
---

# init(inParamID:inString:outValue:)

## Declaration

```swift
init(inParamID: AudioUnitParameterID, inString: Unmanaged<CFString>, outValue: AudioUnitParameterValue)
```