hallo everyone,

i need help, how to enable field Discount at invoice line and vandor bill.

search at setting nothing mention discount, an i findout at xml, i found 1 in the xml it's mention field name discount but don't show up

<field name="quantity"/>
<field name="uom_id" groups="product.group_uom"/>
<field name="price_unit"/>
<field name="discount" groups="base.group_no_one"/>

and i try to modif to <field name="discount"/> still don't show.

any advice?