JSR233 Jython, on Group change [resolved]

[rossko57]

@Egon_Dadalt

trigger my rule when a member of group have a change

Note that this is not the same as triggering from change to the Group state itself. A member may change and have no effect on parent Group state at all.
You want the equivalent of the Member of trigger in your old DSL rule, not any Group event.

How to find out which group item caused a "group rule" to trigger

triggeringItem only exists in the DSL, but scripted automation has event.itemName, event.itemState, etc… https://openhab-scripters.github.io/openhab-helper-libraries/Guides/But%20How%20Do%20I.html#get-the-triggering-item-s-name. Don’t trigger the rule when the group is updated (groups don’t receive updates)… use a “Member of” trigger instead. I also combined both rules into one… from core.rules import rule from core.triggers import when @rule("Turn ON/OFF the home cinema", description="Turn …

Design Pattern: Working with Groups in Rules

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