Get all RUM-based metrics

Example response

{
  "data": [
    {
      "attributes": {
        "compute": {
          "aggregation_type": "distribution",
          "include_percentiles": true,
          "path": "@duration"
        },
        "event_type": "session",
        "filter": {
          "query": "service:web* AND @http.status_code:[200 TO 299]"
        },
        "group_by": [
          {
            "path": "@http.status_code",
            "tag_name": "status_code"
          }
        ],
        "uniqueness": {
          "when": "match"
        }
      },
      "id": "rum.sessions.webui.count",
      "type": "rum_metrics"
    }
  ]
}