Transforms (X)HTML documents into an EPUB 3 publication.
Online documentation| Port | Description |
| metadata sequence | MetadataMetadata to be included in the EPUB. If specified, the document must be a [`metadata`](http://www.idpf.org/epub/301/spec/epub-publications.html#sec-metadata-elem) element in the OPF namespace. If not specified, metadata is extracted from the HTML documents. |
| Local Name | Namespace URI | Default | Description |
| source required | HTML document(s)List of the HTML documents to convert. | ||
| result required | EPUBThe resulting EPUB 3 publication. |