The source file is the import file you selected in the first step as the source to create the Import Template.
To use a different import file with a template, you can update the source selection on the [tooltip style=”bootstrap” position=”north” size=”2″ content=”To access this dialog, click Rate/Ship on the toolbar, select Shipments from the menu, and click the Import button.”]Shipment Import Setup dialog[/tooltip].
Click the Update button to change the source file being used, without having to modify the template’s configuration, provided that the new file adheres to the existing definition.
