XML SystemId

SystemId is a value element that represents a system identifier in an XML message. It can be part of a DocTypeDecl, NotationDecl, or UnparsedEntityDecl element. The value of the SystemId is a URI, and is typically a URL or the name of a file on the current system. A system identifier of the form SYSTEM "Note.dtd" has a string value of Note.dtd.

Related concepts
Message flows overview
Related tasks
Developing message flows
Related reference
XML document type declaration
XML DocTypeDecl
XML IntSubset
XML PublicId
XML NotationDecl
XML UnparsedEntityDecl
XML DTD example