Discounted Unite price Automatically

souoik

Hello ;,

how can discounted NexLine on sales order for the some Item code and some delivery date Automaically ,but discounted with apply Level , its mean when creat order and get Item in the first Line (10000) its equal level 0 , so for the second line (20000) Equal level 1 then uniteprice deucted by -100 decimal Amount get from customer Card (Customization Field) so its repeat for nexte level (1---4) level's) , and for next line befor the mast level unit price set the unit price in the last level her level 3.

Dynamics Navision 2016.

Thank you