How do I add payment in an invoice?

Select Invoice from the hamburger menu.

Select any client from the list and you will see few option on the Header section, Select $ Add Payment button here.

Clicking on the "$ Add Payment" button will open a pop up to add payment in invoice

Here Total Invoice Amount and Due Amount will show the amounts by default here.

Fill in all the mandatory fields of the form and add any important Note if any.

Click Save button on the bottom right.

Success Alert means payment has been successfully received and the reflections can be seen in the Paid and Due amount.