---
title: AppSchema.BooksEntity
framework: appintents
role: symbol
role_heading: Protocol
path: appintents/appschema/booksentity
---

# AppSchema.BooksEntity

Identifies entity schemas in the books domain.

## Declaration

```swift
protocol BooksEntity : AppSchema.Kind
```

## Topics

### Instance Properties

- [audiobook](appintents/appschema/booksentity/audiobook.md)
- [book](appintents/appschema/booksentity/book.md)
- [settings](appintents/appschema/booksentity/settings.md)

## Relationships

### Inherits From

- [AppSchema.Kind](appintents/appschema/kind.md)

### Conforming Types

- [AppSchema.Entity](appintents/appschema/entity.md)

## See Also

### Content and parameter types

- [audiobook](appintents/appschema/booksentity/audiobook.md)
- [book](appintents/appschema/booksentity/book.md)
- [settings](appintents/appschema/booksentity/settings.md)