---
title: isHidden
framework: appkit
role: symbol
role_heading: Instance Property
path: appkit/nssplitviewitemaccessoryviewcontroller/ishidden
---

# isHidden

When set, this property will collapse the accessory view to 0 height (animatable) but not remove it from the window. Set through the animator object to animate it.

## Declaration

```swift
var isHidden: Bool { get set }
```