{
  "$schema": "https://json-structure.org/draft/v0/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/mercado-pago/refs/heads/main/json-structure/mercado-pago-preference-structure.json",
  "name": "MercadoPagoPreference",
  "type": "object",
  "description": "Operational structure of a Mercado Pago Checkout Pro preference.",
  "properties": {
    "id": { "type": "string" },
    "client_id": { "type": "string" },
    "collector_id": { "type": "int64" },
    "date_created": { "type": "datetime" },
    "external_reference": { "type": "string" },
    "init_point": { "type": "string" },
    "sandbox_init_point": { "type": "string" },
    "auto_return": { "type": "string" },
    "notification_url": { "type": "string" },
    "items": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "id": { "type": "string" },
          "title": { "type": "string" },
          "quantity": { "type": "int32" },
          "currency_id": { "type": "string" },
          "unit_price": { "type": "decimal" }
        }
      }
    }
  }
}