{
    "types": [
        {
            "name": "result",
            "allowedValues": [
                "Succeeded",
                "Failed",
                "Cancelled",
                "CamelCase",
                "dash-separated",
                "underscore_separated"
            ],
            "description": "The result of the operation"
        },
        {
            "name": "reason",
            "type": "string",
            "description": "The reason for a metric or exception depending on context"
        },
        {
            "name": "duration",
            "type": "double",
            "description": "The duration of the operation in miliseconds"
        }
    ],
    "metrics": [
        {
            "name": "metadata_hasResult",
            "description": "It has a result",
            "metadata": [{ "type": "result" }]
        }
    ]
}