Alternatively, to create a message
map from a message flow, open the message flow, right-click a node that supports
mapping (such as a Mapping node or DataDelete node), and click Open
Map.
The New Message Map wizard
starts.
In the New Message Map wizard, specify the
following criteria:
Whether you are going to map headers (after you have specified this, you
cannot change it)
Whether the map is intended to be called from another map, which is known
as a submap
The source message or database. You can select only one source; if you
need to map from a message and a database,
add extra sources when you configure the message
mappings.