---
title: isRunning
framework: audiotoolbox
role: symbol
role_heading: Instance Property
path: audiotoolbox/auaudiounit/isrunning
---

# isRunning

## Declaration

```swift
var isRunning: Bool { get }
```

## See Also

### Getting the Runtime Behavior

- [isLoadedInProcess](audiotoolbox/auaudiounit/isloadedinprocess.md)