{
  "AWS/X-Ray": {
    "dimensions": [
      {
        "key": "GroupName"
      }
    ],
	"tags":[
	  {
	     "key": "xray:group"
	  }
	],
    "metrics": [
      {
        "id": 1,
        "metric_name": "ApproximateTraceCount"
      }
    ]
  }
}