- Tap the "Invoices" tab.
- Click the "Unpaid" or "Overdue" status.
- Tap/Select the invoice : Lands to the 'Invoice Details' page.
- Tap the "Payments" link.
- Tap "+" symbol
- Update the payment details such as : Received Date, Amount, Mode, Description.
- You could enable (turn ON) the "Acknowledgement" option to thank your customer for the payment.
Note : Similarly, you can email the invoice, export the invoice as a PDF, Print the PDF, Delete the invoice.