Adding a Manual Payment to an Invoice
Open the matter record you are working on and navigate to the Billing tab, then select the Invoices section.
Next to the invoice where you would like to add a manual payment, open the Invoice Actions dropdown menu and select Add Payment.
A drawer will open on the right side of the screen, where you can enter the payment details and select the payment method. Click the green Save button to apply the manual payment to the invoice.

