There is a great script and instructions provided by a community member: ZHA - Inovelli Blue Series 2-1 Switch LED Notification Script - Blueprints Exchange - Home Assistant CommunityRelated ArticlesBlue Series Dimmer Switch • Setup Instructions • Home Assistant - ZHABlue Series Fan Switch • Setup Instructions • Home Assistant - ZHABlue Series • LED Notifications with mqtt.publish • Zigbee2MQTTBlue Series • Single LED Notifications with mqtt.publish • Zigbee2MQTTBlue Series mmWave Presence Dimmer Switch • Setup Instructions • Home Assistant - ZHA