This dialog appears when you click the Configure Reference button 
on the Catalog Browser toolbar. It helps you to select the catalog reference types to be added into the reference table. See the dialog.
The following are details about options in the dialog:
Data Source
Lists all the data sources available in the catalog.
Catalog Resource Type
Lists all the resources types available for you to select to add into the reference table.
OK
Closes the dialog and applies the changes.
Cancel
Closes the dialog, leaving the changes unsaved.
Help
Displays the help document about this feature.
