The Refinement Based Personalization API request collects the shopper’s
visitorID and the
loginID to store each shopper’s searching/browsing patterns and choice of refinements against it.
Either the visitor or login id of the user to predict against
The Visitor ID of the user (from cookie)
The Login ID of the user (hash of unique identifier)
List of biases that can be passed in to the search API. If there are no predictions for the given ID, the biases array will be empty.