{
    "$schema": "http://json-schema.org/draft-04/schema#",
    "type": "object",
    "description": "Schema description",
    "properties": {
        "version": {
            "type": "string"
        },
        "taskDuration": {
            "description": "Task duration in ms",
            "type": "string",
            "pattern": "^[0-9]+$"
        },
        "taskResult": {
            "description": "Task result",
            "type": "string",
            "pattern": "^(success|(error(_([a-zA-Z][a-zA-Z0-9]+|[0-9]+))?))$"
        }
    },
    "required": [
        "taskDuration",
        "taskResult"
    ],
    "additionalProperties": false
}