{
  "name":"mqtt_subscrible",
  "description":"listen on the message from the broker",
  "spec": {
    "id": "__HOPE__/builtin/mqtt/subscribe",
    "in": {
      "ports": [
        {
        "name": "on",
        "type": "boolean"
        }
      ]
    },
    "out": {
      "ports": [{
        "name": "message",
        "type": "string"
      }]
    },
    "config": [
      {
        "name": "server",
        "required": true
      }, {
        "name": "topic",
        "type": "string",
        "required": true
      }
    ]
  },
  "ui":{},
  "doc":"builtin/mqtt_service.html#mqtt_subscrible"
}