Ouch
the translation of the languages, or the puns are not clear 🙂
I simplify my text, and also you have partly answered my question.
how to use "LastSeen"
. to make an action. but how?
. the value can it be put in a widget, for a synoptic with the dashboard
( to have a dashboard of some elements of the system, monitoring on a single page of several different families, states and temperatures 🙂
the concept of
synoptic
supervisor
to have on the same page, an overview of the important elements.
. System alarms (MyS, status of nodes and other elements)
Equipment alarms (house, temperatures, intrusion ...)