the process model and the message flow. This data structure is also used by the
Approve Order process. Again, the first step in solving the problem is to
understand the reason for the change.
Assume that the approval step requires more data than is provided by its input
data structure. Adding an additional element to that data structure does not affect
the processing in the message flow because the XML parses will simply ignore
XML elements that it does not need. But it also means that the extra element will
not flow back to the workflow server in the response message. This limitation is
easily solved by appropriate mapping in the process model.
If changes are induced by changed requirements in ...
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