openHAB3 Group Count on Label Card

Setup, Configuration and Use Beginners
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7

I have implemented this now with a rule:

image
image737×275 10.2 KB

Script:

var group = itemRegistry.getItem("Lights_Indoor");
var lightson = group.members.stream().filter(function(i){ return i.state == "ON" }).count();

var label;

 if (lightson == 0) {
   label = "Aus";
 } else {
   label = "Ein (" + lightson + ")";
 }

events.postUpdate('Lights_Indoor_Count', label);

image

Result :slight_smile: :

image

Lights_Indoor --> Group-Item
Lights_Indoor_Count --> In my case a String-Item, but can be a Number-Item in case you only would like to show the Number.

Hope this helps…

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