IBM® App Connect Enterprise provides some additional facilities that are not specified in the XML Schema 1.0 specification.
A message is a global element that represents an entire message (rather than a structure within a message). Within an XML Schema file, a message is represented by a special global element that carries the extra information required by IBM App Connect Enterprise.
For
details about XML Schema, see XML Schema
Part 0: Primer
on the
World Wide Web Consortium (W3C)
website.