Go To Payment Tab
Navigate to the "Payments" tab.
Select The Invoice To Edit
Select the invoice you want to add a discount to. If you need to create a new invoice, you may want to check out our "How To Create A New Invoice" guide.
Add A Discount To Your Invoice By Adding A Percentage Discount
Click "Add Discount" here.
Choose the Discount Percentage
Drag the "Add Discount" slider to the percentage discount you would like.
Enter Percentage Manually
Click the "Add Discount" field, and enter the desired percentage.
Save Your Invoice
Once you've finished editing, click "Save".
Add A Discount To Your Invoice By Changing the Price
In order to add a discount to this invoice, without affecting the standard pricing of the product you are discounting, click the "Price" field next to the product and enter the desired price point manually.
Save Your Invoice
Once you've finished editing, click "Save".
