Alarm Pipeline - send several alarms at the same time

Hi everybody,
In my case, the system sends several emails at the same time when the alarm conditions is true.
How could I “limit” it in order that the pipeline send ONLY ONE email?¿
Thanks in advance,
Guillem

https://docs.inductiveautomation.com/display/DOC81/Notification+Block#NotificationBlock-Consolidation

Many Thanks PGriffith!