<?xml version="1.0"?>
<tree string="Product Packagings" name="packaging">
                <field name="sequence" widget="handle"/>
                <field name="product_id"/>
                <field name="name" string="Packaging"/>
                <field name="qty"/>
                <field name="product_uom_id" options="{'no_open': True, 'no_create': True}" groups="uom.group_uom"/>
                <field name="barcode" optional="hide"/>
                <field name="company_id" groups="base.group_multi_company" optional="hide"/>
                <field name="company_id" groups="!base.group_multi_company" invisible="1"/>
            </tree>
        