Input Schema

{
    "type": "object",
    "required": [
        "session_id",
        "code"
    ],
    "properties": {
        "code": {
            "type": "string",
            "description": "Discount code (SAVE10, SAVE20, FREESHIP, WELCOME)."
        },
        "session_id": {
            "type": "string"
        }
    }
}