Retail POS: Receipt Options - Open Item Discount
Note: Only Employees with the proper Role and Permission settings have access to create Open Items.
In POS: tap on the Option icon at the bottom.

On the Receipt Option screen, select Open Item.

On the Open Discount screen:

Select the Charge Type.
If Amount, enter the amount in the Amount field that appears.
If Percentage, set the necessary percentage in the Percentage field that appears.
Enter a Reason (mandatory).
For the Tax option: select whether the Discount is to be applied Before tax or After tax.
When ready to complete creation of the new Open Item, tap on the Done button.
The new Open Item Discount will be added to the Item on the Order screen.