CartItem(CartItem)

{
    "id": 0,
    "is_hidden_quantity": true,
    "url": "string",
    "quantity": 0,
    "type": "string",
    "product_price": 0,
    "price": 0,
    "total": 0,
    "product_id": 0,
    "notes": "string",
    "can_add_note": true,
    "can_upload_file": true,
    "is_available": true,
    "is_donation": true,
    "can_donate": true,
    "offer": {
        "discount": 0,
        "is_free": true,
        "names": "Buy 3 and the 4th on us, National Day"
    },
    "donation": {},
    "attachments": [
        {
            "id": 0,
            "url": "string",
            "product_id": 0,
            "item_id": 0,
            "name": 0
        }
    ]
}