Here you can see all available transformations added to this document type. You can Edit () and/or Delete () items from the list. New transformations can be created using the New transformation link.
Detailed information about document types and transformations can be found in Developer's Guide -> Development -> Document types.
Page url: http://devnet.kentico.com/docs/5_5r2/contexthelp/index.html?transformations_tab.htm