Example of the new template feature + plus question support of conditions

I’ve been al over the internet for this :sweat_smile:
What I could condensate from my browser history:

https://www.reddit.com/r/homeassistant/comments/pysnxa/how_do_template_triggers_work/?rdt=36584
https://www.reddit.com/r/homeassistant/comments/pysnxa/how_do_template_triggers_work/