OH3 - MQTT-Eventbus implementation using file based config

[binderth (Thomas Binder)]

searching for “OH3 mqtt eventbus” reveals a lot of possible solutions for this (example with 2.5, but you can easily take this to OH3):

Marketplace MQTT Event Bus

Update: Complete rewrite to use the rule templates published to the Marketplace. There is no need to code this or copy/paste code to make this work. There is a Remote openHAB binding which replaces this capability in most cases. See openhab-addons/bundles/org.openhab.binding.remoteopenhab at main · openhab/openhab-addons · GitHub . However there may be use cases where MQTT is preferred, such as integration with a non-openHAB service. Introduction What’s an Event Bus? There are times when one…

tl:dr>;
put all your MQTT-items in a group, make a rule for changes/commands within that group and publish the item.