{
    "$schema": "http://json-schema.org/draft-04/schema#",
    "type": "array",
    "items": {
        "type": "object",
        "properties": {
            "key": {
                "type": "string",
                "pattern": "^[0-9a-zA-Z_-]{1,255}$"
            },
            "value": {
                "type": "string",
                "minLength": 1,
                "maxLength": 255
            }
        },
        "additionalProperties": false
    },
    "maxItems": 100
}