The Enquiry Parameters let you commission the text that gets displayed in the results of an enquiry, and the facets. The enquiry parameters for Events are under Maintenance > OPAC & Enquiry > Enquiry Parameters.

• View: OPAC (for OPAC pages) or CAT (for Staff Enquiry pages).
• Format: EVENT (for events — just for CAT) or EVREG (for registrations) or EVSES (for sessions).