---
title: "token(byAddingParameterAutomationObserver:)"
framework: audiotoolbox
role: symbol
role_heading: Instance Method
path: "audiotoolbox/auparameternode/token(byaddingparameterautomationobserver:)"
---

# token(byAddingParameterAutomationObserver:)

## Declaration

```swift
func token(byAddingParameterAutomationObserver observer: @escaping AUParameterAutomationObserver) -> AUParameterObserverToken
```

## See Also

### Observers

- [token(byAddingParameterObserver:)](audiotoolbox/auparameternode/token(byaddingparameterobserver:).md)
- [token(byAddingParameterRecordingObserver:)](audiotoolbox/auparameternode/token(byaddingparameterrecordingobserver:).md)
- [removeParameterObserver(_:)](audiotoolbox/auparameternode/removeparameterobserver(_:).md)