---
title: terminalType
framework: Core Audio
role: symbol
role_heading: Instance Property
platforms: [macOS 15.0+]
path: coreaudio/audiohardwarestream/terminaltype
---

# terminalType

A UInt32 whose value describes the general kind of functionality attached to the stream. Constants for some of the values for this property can be found in the enum in the AudioStream Constants section of AudioHardwareBase.h.

## Declaration

```swift
var terminalType: UInt32 { get throws }
```