The Event tab appears on Event Enrollment objects.
See the BACnet Event Enrollment Object Alarming and Event Enrollment Configuration Examples in the Alarm and Event Management for Metasys Systems Integrated with BACnet Devices section.
For detailed information, refer to the BACnet Event Enrollment Object Alarming and Event Enrollment Configuration Examples topics in the Alarm and Event Management for Metasys Systems Integrated with BACnet Devices section of Metasys SMP Help (LIT-1201793) and the Alarm and Event Management for F4 SNC System Integrated with BACnet Devices of Facility Explorer Site Management Portal Help (LIT-12013520).