Steps
Open the invoice
Go to Invoices and tap on the invoice you want to mark as paid.
Open the actions menu
Tap the floating button ( ⋮ ) in the bottom right corner.
Tap 'Mark As Paid'
Choose this option to record a manual payment.
Enter payment details
Add the payment date and payment method (cash, cheque, bank transfer, etc).
Save the payment
The invoice will now show as paid for both you and the customer.
Tips
You can Unmark as Paid at any time if the payment was recorded by mistake.
The payment date and method will be visible to the customer via the invoice link and downloadable PDF.