diff --git a/models/sale_order.py b/models/sale_order.py
index c3d33d4..a710ba7 100644
--- a/models/sale_order.py
+++ b/models/sale_order.py
@@ -4,6 +4,17 @@
 from odoo import models, fields, api
 
 
+class AccountInvoice(models.Model):
+    _inherit = "account.invoice"
+
+    @api.model
+    def create(self, vals):
+        invoice = super(AccountInvoice, self).create(vals)
+        print("---- invoice -----", str(invoice))
+        print("---- invoice line -----", str(invoice.invoice_line_ids))
+        return invoice
+
+
 class SaleOrder(models.Model):
     _inherit = "sale.order"