{
  "metrics": {
    "newtab": {
      "widgets_container_action": {
        "description": "Recorded when user interacts with widget container controls.\n",
        "disabled": false,
        "extraArgs": {
          "allowed_extra_keys": [
            "action_type",
            "action_value",
            "newtab_visit_id",
            "widget_size"
          ]
        },
        "lifetime": "ping",
        "pings": ["newtab"],
        "type": "event"
      },
      "widgets_enabled": {
        "description": "Recorded when a widget is enabled or disabled. This metric replaces widgets_lists_change_display, widgets_timer_change_display, and weather_enabled.\n",
        "disabled": false,
        "extraArgs": {
          "allowed_extra_keys": [
            "enabled",
            "newtab_visit_id",
            "widget_name",
            "widget_size",
            "widget_source"
          ]
        },
        "lifetime": "ping",
        "pings": ["newtab"],
        "type": "event"
      },
      "widgets_error": {
        "description": "Recorded when a widget encounters an error state (e.g., failed to load data). This metric replaces weather_load_error.\n",
        "disabled": false,
        "extraArgs": {
          "allowed_extra_keys": [
            "error_type",
            "newtab_visit_id",
            "widget_name",
            "widget_size"
          ]
        },
        "lifetime": "ping",
        "pings": ["newtab"],
        "type": "event"
      },
      "widgets_impression": {
        "description": "Recorded when any widget is viewable on a user's screen. This metric replaces widgets_lists_impression, widgets_timer_impression, and weather_impression.\n",
        "disabled": false,
        "extraArgs": {
          "allowed_extra_keys": [
            "newtab_visit_id",
            "widget_name",
            "widget_size"
          ]
        },
        "lifetime": "ping",
        "pings": ["newtab"],
        "type": "event"
      },
      "widgets_user_event": {
        "description": "Recorded when user interacts with any widget. This metric replaces widgets_lists_user_event, widgets_timer_user_event, weather_detect_location, weather_opt_in_selection, weather_location_selected, weather_open_provider_url and weather_change_display.\n",
        "disabled": false,
        "extraArgs": {
          "allowed_extra_keys": [
            "action_value",
            "newtab_visit_id",
            "user_action",
            "widget_name",
            "widget_size",
            "widget_source"
          ]
        },
        "lifetime": "ping",
        "pings": ["newtab"],
        "type": "event"
      }
    }
  },
  "pings": {}
}