To map a new field, Click the + next to the screen you wish to map. Right-click Field Mappings in the folder list and select Add from the context menu. The New/Edit Field Mapping window opens.
To edit an existing field mapping, click the + sign next to the Screen, then click the + sign next to Field Mappings. Click the field you wish to edit. The New/Edit Field Mapping window opens.
To delete an existing field mapping, click the + sign next to the Screen, then click the + sign next to Field Mappings. Right-click a field from the folder list and select Delete from the context menu.