{
  "Configuration": {
    "Appenders": {
      "Console": {
        "name": "CONSOLE",
        "JsonTemplateLayout": {
          "eventTemplateUri": "classpath:GelfLayout.json",
          "eventTemplateAdditionalField": [
            {
              "key": "aString",
              "value": "foo" //<1>
            },
            {
              "key": "marker",
              "value": "{\"$resolver\": \"marker\", \"field\": \"name\"}",
              "format": "JSON"
            },
            {
              "key": "aNumber",
              "value": "1",
              "format": "JSON"
            },
            {
              "key": "aList",
              "value": "[1, 2, \"three\"]",
              "format": "JSON"
            }
          ]
        }
      }
    },
    "Loggers": {
      "Root": {
        "level": "WARN",
        "AppenderRef": {
          "ref": "CONSOLE"
        }
      }
    }
  }
}
