You have 2 ways of creating a single invoice. You can create an invoice from the Guest Invoicing feature > Invoice > Add
Or create an invoice from a reservation
When you create a new invoice, you will need to add some information. Please see the screenshot below:
Once the information is completed, please don´t forget to save the invoice. If you need to charge your guest, please check this article on how to take a payment?
How to Delete an Invoice?
If you want to delete an invoice you can go to Guest Invoices> Invoice> Click on the ¨Invoice¨to get redirected to the reservation details > On the top right you will see an option called "Void":
Don't forget to read the pop-up message and click "confirm":
The void option will allow you to access the invoices even after deleting (void) them. Charges not charged yet will be cancelled by clicking on this option.