---
title: UITextFormattingViewController.ComponentKey
framework: uikit
role: symbol
role_heading: Structure
path: uikit/uitextformattingviewcontroller/componentkey
---

# UITextFormattingViewController.ComponentKey

Predefined text formatting view controller components.

## Declaration

```swift
struct ComponentKey
```

## Topics

### Initializers

- [init(rawValue:)](uikit/uitextformattingviewcontroller/componentkey/init(rawvalue:).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

- [UITextFormattingViewController.Highlight](uikit/uitextformattingviewcontroller/highlight.md)
- [UITextFormattingViewController.TextAlignment](uikit/uitextformattingviewcontroller/textalignment.md)
- [UITextFormattingViewController.TextList](uikit/uitextformattingviewcontroller/textlist.md)