Show/add new ESPhome device in Node-red

[selfmade]

@TotallyInformation

That means that all my ESP based devices use ESP/xxxxx as the root MQTT topic. It comes in the substitutions section so that you can use mqtt_root as a variable elesewhere. But as you can see from the line a little above:

wow, thats cool.

edit ===>
I'm not sure if my ESPhome version supports the substitutions:

no works... i take some other misstakes...