---
title: "init(id:title:authorName:narratorName:type:duration:artwork:)"
framework: nowplaying
role: symbol
role_heading: Initializer
path: "nowplaying/bookcontent/init(id:title:authorname:narratorname:type:duration:artwork:)"
---

# init(id:title:authorName:narratorName:type:duration:artwork:)

Creates audiobook content.

## Declaration

```swift
init(id: String, title: String, authorName: String, narratorName: String? = nil, type: MediaType = .audio, duration: MediaDuration?, artwork: Artwork?)
```

## Parameters

- `id`: A unique identifier for this book.
- `title`: The book’s display title.
- `authorName`: The name of the book’s author.
- `narratorName`: The name of the audiobook narrator, if available.
- `type`: The media type. Defaults to .audio for spoken-word content.
- `duration`: The total duration of the audiobook, or nil when unknown.
- `artwork`: Cover artwork, or nil when unavailable.