The PDF/A ValueType schema is required for all property value types which are not defined in the XMP 2004 specification i.e. for value types outside of the following list - Array types these are container types which may contain one or more fields Alt Bag Seq - Basic value types Boolean open and closed Choice Date Dimensions Integer Lang Alt Locale MIMEType ProperName Real Text Thumbnail URI URL Xpath - Media Management value types AgentName RenditionClass ResourceEvent ResourceRef Version - Basic Job/Workflow value type Job - EXIF schema value types Flash CFAPattern DeviceSettings GPSCoordinate OECF/SFR Rational Schema namespace URI http//www.aiim.org/pdfa/ns/type Required schema namespace prefix pdfaType...Text, Thumbnail, URI, URL, XPath - Media Management value types:...