This event contains the following fields:
| Field | Type | Required? | Description |
|---|---|---|---|
publication |
Object | Yes | An object containing information about the publication. |
id |
String | Yes | The document's identifier. |
title |
String | No | The title of the document. |
type |
String | Yes | The type of the downloaded content. The possible values are STRUCTURED_DOCUMENT, SHARED_PERSONAL_BOOK, or PERSONAL_BOOK. |
metadata |
String | No | A list of metadata with the label and values of each key. |