---
title: NSToolbarUserInfoKey
framework: appkit
role: symbol
role_heading: Structure
path: appkit/nstoolbaruserinfokey
---

# NSToolbarUserInfoKey

Constants for specifying toolbar-related information in notifications.

## Declaration

```swift
struct NSToolbarUserInfoKey
```

## Topics

### Getting the Item Key

- [itemKey](appkit/nstoolbaruserinfokey/itemkey.md)

### Creating a Key

- [init(rawValue:)](appkit/nstoolbaruserinfokey/init(rawvalue:).md)

### Type Properties

- [newIndexKey](appkit/nstoolbaruserinfokey/newindexkey.md)

## Relationships

### Conforms To

- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [RawRepresentable](swift/rawrepresentable.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)

## See Also

### Data Types

- [NSFont.Width](appkit/nsfont/width.md)