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# AssistantSchemas.BooksEnum

Assistant schema conformance for types you use to describe ebooks or audiobooks.

```
protocol BooksEnum : AssistantSchemas.Model
```

## Topics

### Instance Properties

[`var contentType: some AssistantSchemas.Enum`](/documentation/AppIntents/AssistantSchemas/BooksEnum/contentType)

The content type.

[`var font: some AssistantSchemas.Enum`](/documentation/AppIntents/AssistantSchemas/BooksEnum/font)

The font for rendering a book.

[`var fontSize: some AssistantSchemas.Enum`](/documentation/AppIntents/AssistantSchemas/BooksEnum/fontSize)

The font size for rendering a book.

[`var navigationDirection: some AssistantSchemas.Enum`](/documentation/AppIntents/AssistantSchemas/BooksEnum/navigationDirection)

The navigation direction of a book.

[`var pageNavigationSetting: some AssistantSchemas.Enum`](/documentation/AppIntents/AssistantSchemas/BooksEnum/pageNavigationSetting)

Navigation settings for rendering a book.

[`var relativeCharacterSpacingChange: some AssistantSchemas.Enum`](/documentation/AppIntents/AssistantSchemas/BooksEnum/relativeCharacterSpacingChange)

The relative change in character spacing for rendering a book.

[`var relativeFontChange: some AssistantSchemas.Enum`](/documentation/AppIntents/AssistantSchemas/BooksEnum/relativeFontChange)

The relative change of the font for rendering a book.

[`var relativeLineSpacingChange: some AssistantSchemas.Enum`](/documentation/AppIntents/AssistantSchemas/BooksEnum/relativeLineSpacingChange)

The relative change in line spacing for rendering a book.

[`var relativeWordSpacingChange: some AssistantSchemas.Enum`](/documentation/AppIntents/AssistantSchemas/BooksEnum/relativeWordSpacingChange)

The relative change in word spacing for rendering a book.

[`var theme: some AssistantSchemas.Enum`](/documentation/AppIntents/AssistantSchemas/BooksEnum/theme)

The theme for rendering a book.

## Relationships

### Conforming Types

[`EnumSchema`](/documentation/AppIntents/AssistantSchemas/EnumSchema)

[`EnumSchema`](/documentation/AppIntents/AssistantSchema/EnumSchema)

### Inherits From

[`Model`](/documentation/AppIntents/AssistantSchemas/Model)

---

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