The p:document tag supports the following attributes:
type
The type of the document to be produced. Valid values are PDF, RTF and HTML modes. Seam defaults to PDF generation, and many of the features only work correctly when generating PDF documents.
pageSize
The size of the page to be generate. The most commonly used values would be LETTER and A4. A full list of supported pages sizes can be found in com.lowagie.text.PageSize class. Alternatively, pageSize can provide the width and height of the page directly. The value "612 792", for example, is equizalent to the LETTER page size.
orientation
The orientation of the page. Valid values are portrait and landscape. In landscape mode, the height and width page size values are reversed.
margins
The left, right, top and bottom margin values.
marginMirroring
Indicates that margin settings should be reversed an alternating pages.
Document metadata is also set as attributes of the document tag. The following metadata fields are supported:
title
subject
keywords
author
creator