To open an existing mapping file when using one of the nodes
that support mapping, use the following method from the Message Flow editor.
In the description below, a DataInsert node is used as an example.
Open the Message Flow editor.
Right-click the DataInsert icon and click Open
Mappings.
The mapping file appropriate for
that node is highlighted in the Resource Navigator view, and a new mapping
view opens.
Define your mapping input and output requirements.