Thanks for the answer. The value of ".lastUpdate.minutesAgo" seems not to be the right solution because it continues to be increased in any case, regardless of the temperature value and the status of the "red" or normal indication.

Hi to all. I need to act in case of my temperature node is not updating the value since time. Practically when the screen shows a "red line" on the upper left side, I need to get the bad status and provide an action. I searched on forum with no success. I tried to use ".lastUpdate.minutesAgo" but it ...