An XML instance document can be exported, or generated. This assist with the verification of the DTD or schema designs that you are creating. Generation takes place from the current open diagram. An XML document is created that can be validated by the DTD or the schema that would be generated from that diagram. The ability to create and view actual instance documents is useful for all XML development. See the XML tutorials for more information on validating a DTD or BizTalk schema against an XML instance document.