Setup Discount in Webgility Online
If you want to post every order individually as a sales receipt to QuickBooks and record discount using Webgility Online for QBO, follow the steps below:
Go to Settings> Accounting and select "Every Order Individually as a Sales Receipt”
Click "Yes" on the pop-up to confirm the change.
3). Discount Settings allows you to select a discount line item to use when posting a discount to QuickBooks. Select Save to save the settings.
4). In the Discount Settings area, select the Discount Item you want to use to record your discount and click "Save".