توثيق المنتج الكامل

// إنشاء فاتورة
const invoice = await laabam.invoices.create({
  customer_id: "CUST123",
  items: [{
    name: "Consulting Services",
    amount: 50000,
    tax_rate: 18
  }]
});

console.log(invoice.id);
// => "INV-2025-001"