RocketChat/Rocket.Chat

import { MessageTypes } from '../../ui-utils/client';

MessageTypes.registerType({
    id: 'livechat-close',
    system: true,
    message: 'Conversation_closed',
    data(message) {
        return {
            comment: message.msg,
        };
    },
});

MessageTypes.registerType({
    id: 'livechat-started',
    system: true,
    message: 'Chat_started',
});