You can add items for which the invoice is generated when creating an invoice by following the steps below.
1. Navigate to the Invoice Item section on the Add Invoice page. For more information, refer to Adding an Invoice.
2. Click Add Item.
3. Select the required items to be invoiced.
4. Click NEXT.
The Add Item dialog with the list of Added Items is displayed.
5. Click ADD.
The items are added to the invoice.