multiple customer item code for the same item
1- if i have item 'item' .
2- but we want this item appear in invoice for customer 'item1' : we will define customer item code for this item .
3- but my issue is : this item have multiple description like 'item1' , 'item2' and 'item3' .
4- and the same invoice may be contain 'item1' and 'item2' .
how i solve this issue ?