Users will need to sign-in to save searches beyond a session. When signed-in, you'll see "Save query" at the top of the results
Saving and Managing Search Queries in Primo VE (Ex Libris Knowledge Center)
Setting an alert or creating an RSS feed all begins with saving a search
When saving a search, you'll have the option to set an alert
If you didn't create an alert when saving a search:
To cancel an alert, click the Cancel Alert button that appears next to the query
Creating a RSS feed (Ex Libris Knowledge Center)