FacebookMessenger

{
  "type": "facebook",
  "amqp_queue": "messenger_transport",
  "public_http": {
    "enabled": true,
    "web_path": "/api",
    "web_port": 8051
  },
  "config": {
    "web_path": "/api",
    "web_port": 8051,
    "noisy": true,
    "page_id": "<your page id>",
    "retrieve_profile": true,
    "welcome_message": [{
      "message": {
        "text": "Your apps welcome message. This is optional."
      }
    }],
    "outbound_url": "https://graph.facebook.com/v2.6/me/messages",
    "access_token": "your apps access token",
    "redis_manager": {
      "host": "your-redis-host",
      "port": 6379,
      "db": 1,
      "password": null
    }
  }
}