A message map can be used by one or more Mapping nodes in a message flow. You can reference a message map by configuring the Mapping routine in a Mapping node.
The Mapping node invokes a map-based transform.
The input to the Mapping node is the input message assembly that is propagated from the upstream node.
The output of the Mapping node is the new message assembly that is created by the mapping operations and propagated from the output terminal of the Mapping node.
To reference an existing message map from a Mapping node, complete the following steps: