---
title: NSSplitViewItem.Behavior.sidebar
framework: appkit
role: symbol
role_heading: Case
path: appkit/nssplitviewitem/behavior-swift.enum/sidebar
---

# NSSplitViewItem.Behavior.sidebar

The sidebar behavior.

## Declaration

```swift
case sidebar
```

## Discussion

Discussion This behavior corresponds to split view items that you create using init(sidebarWithViewController:).

## See Also

### Item Behaviors

- [NSSplitViewItem.Behavior.default](appkit/nssplitviewitem/behavior-swift.enum/default.md)
- [NSSplitViewItem.Behavior.contentList](appkit/nssplitviewitem/behavior-swift.enum/contentlist.md)
- [NSSplitViewItem.Behavior.inspector](appkit/nssplitviewitem/behavior-swift.enum/inspector.md)