{
    "additionalProperties": false,
    "properties": {
        "id": {
            "pattern": "^[a-z0-9-]+$",
            "type": "string"
        },
        "title": {
            "type": "string"
        }
    },
    "required": [
        "id",
        "title"
    ],
    "title": "Category",
    "type": "object"
}