Thank you for taking the time to reach out to us here on the Community page, @sassalino.
If you want to record an invoice in QuickBooks Online (QBO), you can enter it from the Plus (+) icon.
Here's how:
- From the Plus (+) icon, click on Invoice under Customers.
![f1 3.PNG f1 3.PNG](https://quickbooks.intuit.com/learn-support/image/serverpage/image-id/34667i1231B08CD2627797/image-size/large?v=v2&px=999)
- Select a customer under the Customer.
![a9 1.PNG a9 1.PNG](https://quickbooks.intuit.com/learn-support/image/serverpage/image-id/34668iEDF9CA3EFF936D43/image-size/large?v=v2&px=999)
- Fill in the necessary information (Product/Service, Quantity, Rate, and Amount).
![a9 2.PNG a9 2.PNG](https://quickbooks.intuit.com/learn-support/image/serverpage/image-id/34669i6A4B818ED49E7094/image-size/large?v=v2&px=999)
- Click on Save or Save and close to save the invoice.
![a9 3.PNG a9 3.PNG](https://quickbooks.intuit.com/learn-support/image/serverpage/image-id/34670i338D9093B9EE64EB/image-size/large?v=v2&px=999)
For additional reference, you can read this article: Create invoices in QuickBooks Online.
You can also read this article for your future reference about customizing invoices: How to Customize Invoices in QuickBooks Online.
Let me know if you have any other questions and if you're referring to something else. I'm a post away to help. Have a good day!