zigbee2mqtt/test/assets/external_extensions/mjs/example2Extension.mjs

export default class Example2 {
    constructor(_zigbee, mqtt, _state, _publishEntityState, _eventBus) {
        this.mqtt = mqtt;
        this.mqtt.publish("example2/extension", "call2 from constructor");
    }

    start() {
        this.mqtt.publish("example2/extension", "call2 from start");
    }

    stop() {
        this.mqtt.publish("example/extension", "call2 from stop");
    }
}