toMap method
Converte o objeto para um Map.
Implementation
Map<String, dynamic> toMap() {
return {
'invoice_slug': invoiceSlug,
'amount': amount,
'paid_amount': paidAmount,
'installments': installments,
'capture_method': captureMethod,
'transaction_nsu': transactionNSU,
'order_nsu': orderNSU,
'receipt_url': receiptUrl,
'items': items.map((item) => item.toMap()).toList(),
};
}