Each BacnetDevice has an 
Alarms device extension. This extension applies to BACnet event notifications (alarms) sent to the station by that device.
BacnetAlarmDeviceExt properties are as follows:
-
Alarm Class
Specifies the Niagara AlarmClass component used by all BACnet event notifications received from this device.
-
Last Received Time
Date-timestamp of the last BACnet event notification received from this device.
-
Niagara Process Id
(Integer) Specifies a process ID, which needs to match the BACnet process identifier used to send notifications to this client station. The default value is
0.
For related details, see Receiving BACnet alarms, including Prerequisites and restrictions to receive BACnet alarms and Configuring to receive BACnet alarms.