There are two ways to configure Add Item to Slot or Add Item to Slot for Customer:
You can specify a particular piece of content by referencing its repository item name
You can use a Targeter to specify content based on various repository attributes. Targeters offer the flexibility of being able to define the “people” element of the content (who sees it) by adding multiple rule sets to the Targeter (rather than defining the “people” element in the scenario itself).
Using these methods makes it easy to change the content on a frequent basis without having to use the ACC. See Updating Content for more information.