{
  "metrics": {
    "newtab": {
      "wallpaper_click": {
        "type": "text",
        "description": "Number of clicks",
        "lifetime": "ping",
        "pings": ["newtab"],
        "disabled": false
      },
      "load_time": {
        "type": "event",
        "description": "Time taken to load and render",
        "lifetime": "ping",
        "pings": ["spoc-1"],
        "disabled": false,
        "extraArgs": {
          "allowed_extra_keys": ["is_page_followed", "newtab_visit_id"]
        }
      }
    }
  },
  "pings": {
    "messaging-system": {
      "includeClientId": false,
      "sendIfEmpty": false,
      "preciseTimestamps": true,
      "includeInfoSections": true,
      "enabled": true,
      "schedulesPings": [],
      "reasonCodes": [],
      "followsCollectionEnabled": true,
      "uploaderCapabilities": []
    },
    "spoc-1": {
      "includeClientId": false,
      "sendIfEmpty": false,
      "preciseTimestamps": true,
      "includeInfoSections": true,
      "enabled": true,
      "schedulesPings": [],
      "reasonCodes": ["click", "impression", "save"],
      "followsCollectionEnabled": true,
      "uploaderCapabilities": []
    }
  }
}