JSON Schema Property '3D'

"3D": {
    "type": "object",
    "description": "The '3D' requirement denotes GPU hardware acceleration.",
    "additionalProperties": false,
    "properties": {
        "features": {
            "type": "array",
            "description": "List of the 3D-related features your app requires.",
            "minItems": 1,
            "uniqueItems": true,
            "items": {
                "type": "string",
                "enum": [
                    "webgl"
                ]
            }
        }
    },
    "required": [
        "features"
    ]
}

• /properties/requirements