{
    "email": {
        "label": "Email",
        "number": false,
        "list": false,
        "single": ":label must be a single value",
        "rules": [
            [
                "required",
                "",
                ":label is required",
                ""
            ],
            [
                "email",
                "",
                ":label must be a valid e-mail address",
                ""
            ]
        ]
    },
    "qty": {
        "label": "Qty",
        "number": true,
        "list": false,
        "single": ":label must be a single value",
        "rules": [
            [
                "integer",
                "",
                ":label must be a whole number",
                ""
            ],
            [
                "min",
                "1",
                ":label must be at least :n",
                "1"
            ],
            [
                "max",
                "10",
                ":label must be at most :n",
                "10"
            ]
        ]
    }
}