Input Schema

{
    "type": "object",
    "required": [
        "cartId",
        "itemId",
        "quantity"
    ],
    "properties": {
        "cartId": {
            "type": "string"
        },
        "itemId": {
            "type": "integer",
            "description": "cart line id from the cart's items"
        },
        "quantity": {
            "type": "integer",
            "description": "new quantity, 1-999"
        }
    },
    "additionalProperties": false
}