Get the identifiers and descriptions of the usage metrics

{
  "type": "object",
  "properties": {
    "data": {
      "type": "array",
      "description": "The list of names and identifiers by which the metrics are referenced.",
      "items": {
        "type": "object",
        "properties": {
          "description": {
            "type": "string",
            "description": "The name by which the metric is listed in the user interface."
          },
          "metric-id": {
            "type": "string",
            "description": "The identifier by which this metric is referenced in the API."
          }
        }
      }
    }
  }
}