Updating an existing alarm
You can update the text, status and severity fields.
send Alarm("<ALARM_ID>","c8y_SampleAlarm","<SOURCE>",<TIME>,
"Alarm Updated", "<STATUS>","<SEVERITY>",1,{}) to Alarm.CHANNEL;
Where
<ALARM_ID> is the identifier of the previously created alarm. The presence of
<ALARM_ID> indicates that the request is for updating an existing alarm.