---
title: NSSplitViewItemAccessoryViewController
framework: appkit
role: symbol
role_heading: Class
path: appkit/nssplitviewitemaccessoryviewcontroller
---

# NSSplitViewItemAccessoryViewController

## Declaration

```swift
class NSSplitViewItemAccessoryViewController
```

## Topics

### Configuring the scroll edge effect

- [preferredScrollEdgeEffectStyle](appkit/nssplitviewitemaccessoryviewcontroller/preferredscrolledgeeffectstyle.md)
- [NSScrollEdgeEffectStyle](appkit/nsscrolledgeeffectstyle.md)

### Instance Properties

- [automaticallyAppliesContentInsets](appkit/nssplitviewitemaccessoryviewcontroller/automaticallyappliescontentinsets.md)
- [isHidden](appkit/nssplitviewitemaccessoryviewcontroller/ishidden.md)

### Instance Methods

- [viewDidAppear()](appkit/nssplitviewitemaccessoryviewcontroller/viewdidappear().md)
- [viewDidDisappear()](appkit/nssplitviewitemaccessoryviewcontroller/viewdiddisappear().md)
- [viewWillAppear()](appkit/nssplitviewitemaccessoryviewcontroller/viewwillappear().md)
- [viewWillDisappear()](appkit/nssplitviewitemaccessoryviewcontroller/viewwilldisappear().md)

## Relationships

### Inherits From

- [NSViewController](appkit/nsviewcontroller.md)

### Conforms To

- [CVarArg](swift/cvararg.md)
- [CustomDebugStringConvertible](swift/customdebugstringconvertible.md)
- [CustomStringConvertible](swift/customstringconvertible.md)
- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [NSAnimatablePropertyContainer](appkit/nsanimatablepropertycontainer.md)
- [NSCoding](foundation/nscoding.md)
- [NSEditor](appkit/nseditor.md)
- [NSExtensionRequestHandling](foundation/nsextensionrequesthandling.md)
- [NSObjectProtocol](objectivec/nsobjectprotocol.md)
- [NSSeguePerforming](appkit/nssegueperforming.md)
- [NSStandardKeyBindingResponding](appkit/nsstandardkeybindingresponding.md)
- [NSTouchBarProvider](appkit/nstouchbarprovider.md)
- [NSUserActivityRestoring](appkit/nsuseractivityrestoring.md)
- [NSUserInterfaceItemIdentification](appkit/nsuserinterfaceitemidentification.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)

## See Also

### Configuring accessory views

- [topAlignedAccessoryViewControllers](appkit/nssplitviewitem/topalignedaccessoryviewcontrollers.md)
- [bottomAlignedAccessoryViewControllers](appkit/nssplitviewitem/bottomalignedaccessoryviewcontrollers.md)
- [addTopAlignedAccessoryViewController(_:)](appkit/nssplitviewitem/addtopalignedaccessoryviewcontroller(_:).md)
- [insertTopAlignedAccessoryViewController(_:at:)](appkit/nssplitviewitem/inserttopalignedaccessoryviewcontroller(_:at:).md)
- [removeTopAlignedAccessoryViewController(at:)](appkit/nssplitviewitem/removetopalignedaccessoryviewcontroller(at:).md)
- [addBottomAlignedAccessoryViewController(_:)](appkit/nssplitviewitem/addbottomalignedaccessoryviewcontroller(_:).md)
- [insertBottomAlignedAccessoryViewController(_:at:)](appkit/nssplitviewitem/insertbottomalignedaccessoryviewcontroller(_:at:).md)
- [removeBottomAlignedAccessoryViewController(at:)](appkit/nssplitviewitem/removebottomalignedaccessoryviewcontroller(at:).md)