In the below screen you can configure the Line item on the transactions for 'Discounts', 'Store credit' and 'Gift certificates' (Gift certificates are cart specific in this area). Select the check box if you would like Unify Desktop to record 'Discounts' / 'Store credit' / 'Gift certificates' in NetSuite.
If the Item is not visible / not created in NetSuite, follow the steps below:
1: Open the Item list in NetSuite and create a new item of type 'Discount'.
2. Click the 'Refresh' icon in Unify Desktop's Discount configuration area, to bring in the new details from NetSuite and then choose your discount item from NetSuite and click on Save.