PrintTalk schema: Version 1.3 This schema is intended for use with a single root element, namely: PrintTalk The 'PrintTalk' element is the one and only element intended for use as the Root element of a print talk document. The PrintTalk documentation make reference to the cXMLUG (cXML Users Guide), implying that the definition for some types can be found there, not necessarily true. In addition cxml does not offer an xml schema which defines these types; in their absence they have been defined here, in the printTalk domain. For convenience such types have been given a type name that begins with 'cXML-' The cXML Type from which all other cXML types are derived. A Credential identifies and authenticates the various parties involved in a transaction. All Elements in the PrintTalk namespace inherit from the Abstract pt Element. That is, every descendant of the Request Element inherits from the Abstract pt Element, either directly or indirectly through the Abstract BusinessObject This is a special version of the Abstract pt Element without the optional DescriptiveName attribute This is a special version of the Abstract pt Element It permits the derived type to contain mixed content This abstact element is defined as the head of the Business Object substitution group It is never instantiated itself Although the Quote Business Object has been deprecated it is still of the same type as the newly introduced Quotation Business Object.