There are 3 ChiliPAC features on search results page.

There are “Add to Booklist” and “Add to Bookshelf” links - they are for adding the particular item to your booklist or bookshelf. If you are not logged in when clicking the button, catalog will trigger to log in with your library account - username/barcode and PIN

As part of search results, ChiliPAC also adds booklist search results as part of faceted search:

ChiliPAC also adds “Connections” section at the bottom of the search results which includes Related users that have interacted (added to booklist, added to bookshelf, reviewed or rated) with item that has author or title of the search keyword AND Related booklists - where title of the booklist includes the keyword: