---
title: "addTopAlignedAccessoryViewController(_:)"
framework: appkit
role: symbol
role_heading: Instance Method
path: "appkit/nssplitviewitem/addtopalignedaccessoryviewcontroller(_:)"
---

# addTopAlignedAccessoryViewController(_:)

## Declaration

```swift
func addTopAlignedAccessoryViewController(_ childViewController: NSSplitViewItemAccessoryViewController)
```

## See Also

### Configuring accessory views

- [topAlignedAccessoryViewControllers](appkit/nssplitviewitem/topalignedaccessoryviewcontrollers.md)
- [bottomAlignedAccessoryViewControllers](appkit/nssplitviewitem/bottomalignedaccessoryviewcontrollers.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)
- [NSSplitViewItemAccessoryViewController](appkit/nssplitviewitemaccessoryviewcontroller.md)