Issue an invoice

Head to Invoices and click the icon.

Invoice number: The invoice number of the new invoice
Start date: The start date of the invoice period
End date: The end date of the invoice period
Type: Detailed type puts every task on a separate row, while Summary type puts all tasks with the same unit price in one item
Issued on: The issue date of the invoice
Due on: The due date of the invoice
Payment method: Bank transfer, PayPal or Cash payment methods to receive the payment
Note: The invoice note visible in the invoice footer