How to set Product Discount Limit on Sales & Invoice _ Odoo App Feature

This odoo app helps user to limit fixed or percentage discount on product for app like sale, purchase and invoice. User have option to select discount type and enter discount amount or percentage, enable or disable warning functionality, and can add warning message for discount limit. On order line while user selects product then added discount will automatically added from selected product and warning will raise with added message if user try to modify or change discount value, It will automatically set to default value if changed.