---
title: kAXToolbarButtonSubrole
framework: applicationservices
role: symbol
role_heading: Global Variable
path: applicationservices/kaxtoolbarbuttonsubrole
---

# kAXToolbarButtonSubrole

A toolbar button (that is, the button in a window’s title bar that hides and reveals the toolbar).

## Declaration

```swift
var kAXToolbarButtonSubrole: String { get }
```