EPUB Registry of Collection Roles

5 April 2014

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This document lists all IDPF-defined roles for use with the Package Document collection element.

This document is not tied to a particular version of the EPUBĀ® specification.

Revision Policy

This document is subject to change at any time as new roles are defined by IDPF Working Groups. The roles defined herein will never be removed, but may be deprecated.


Identifies the set of Content Documents that compose a single instance of an index. Refer to the EPUB Indexes specification for more information.
manifest [draft]
Identifies the set of resources necessary for the processing/rendering of a collection. Refer to the EPUB Manifest Role specification for more information.
preview [draft]
Identifies the set of Content Documents to use to generate a preview of the EPUB Publication. Refer to the EPUB Previews specification for more information.
widget [draft]
Identifies the set of resources that constitute an embedded EPUB Widget. Refer to EPUB Widget Packaging and Integration for more information.


For a list of third-party implementations of the collection element, refer to the extensions wiki at http://www.idpf.org/epub/extensions/roles.