---
title: isRunningInput
framework: Core Audio
role: symbol
role_heading: Instance Property
platforms: [macOS 15.0+]
path: coreaudio/audiohardwareprocess/isrunninginput
---

# isRunningInput

A Bool where a value of true indicates that the process is running IO and there is at least one active input stream.

## Declaration

```swift
var isRunningInput: Bool { get throws }
```