On this tab, you can see a list of all documents of the currently edited document type. Using the Site drop-down list, you can choose if you want to display all documents of the type in the system or only on a particular site. After clicking the icon in the header of the Actions column, a context menu is displayed, offering options for export of listed data to various types of files.

 

Detailed information about document types and transformations can be found in Developer's Guide -> Development -> Document types.