{
    "$schema": "http://json-schema.org/draft-04/schema#",
    "type": "object",
    "properties": {
        "name": {
            "type": "string"
        },
        "price": {
            "type": "number",
            "minimum": 0
        },
        "tags": {
            "type": "array",
            "items": {
                "type": "string"
            }
        }
    },
    "additionalProperties": false,
    "required": [
        "name",
        "price"
    ]
}