# chrome.[cast](https://developers.google.com/cast/docs/reference/web_sender/chrome.cast).[media](https://developers.google.com/cast/docs/reference/web_sender/chrome.cast.media).AudiobookChapterMediaMetadata

class static

An audiobook chapter description.

## Constructor

### AudiobookChapterMediaMetadata

new
AudiobookChapterMediaMetadata()

## Properties

### bookTitle

(string or undefined)

Audiobook title.

### chapterNumber

(number or undefined)

Chapter number, used for display purposes.

### chapterTitle

(string or undefined)

Chapter title.

### images

(non-null Array of non-null [chrome.cast.Image](https://developers.google.com/cast/docs/reference/web_sender/chrome.cast.Image) or undefined)

Chapter or book cover art.

### subtitle

(string or undefined)

Audiobook title, for backward compatibility.

### title

(string or undefined)

Chapter title, for backward compatibility.