---
title: "addAccessoryController(_:)"
framework: appkit
role: symbol
role_heading: Instance Method
path: "appkit/nspagelayout/addaccessorycontroller(_:)"
---

# addAccessoryController(_:)

Adds the specified controller of an accessory view to be presented in the page setup panel.

## Declaration

```swift
func addAccessoryController(_ accessoryController: NSViewController)
```

## Parameters

- `accessoryController`: The controller to add.

## See Also

### Customizing the page setup dialog

- [removeAccessoryController(_:)](appkit/nspagelayout/removeaccessorycontroller(_:).md)
- [accessoryControllers](appkit/nspagelayout/accessorycontrollers.md)