frontend/demo_data/event_data.js

export default [
  {
    event: 'call_service',
    listener_count: 1,
  },
  {
    event: 'time_changed',
    listener_count: 1,
  },
  {
    event: 'state_changed',
    listener_count: 3,
  },
  {
    event: 'homeassistant_stop',
    listener_count: 2,
  },
];