You can define discount levels that apply to all products. Every customer can be assigned with a discount level. In the list you can see available discount levels. You can add a new level ("New discount level" button) or edit()/delete() an item in the list. 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.
Page url: http://devnet.kentico.com/docs/6_0/contexthelp/index.html?discount_level_list.htm