{
  "event": "add_to_cart",
  "ecommerce": {
    "currency": "EUR",
    "value": 24.9,
    "items": [
      {
        "item_id": "BQ-V1",
        "item_name": "BigQuery in Pratica — Volume 1",
        "item_category": "BigQuery",
        "item_brand": "Daniel Meloni",
        "price": 24.9,
        "quantity": 1
      }
    ]
  }
}
