<record id="view_department_filter" model="ir.ui.view">

            <field name="name">hr.department.search</field>

            <field name="model">hr.department</field>

            <field name="arch" type="xml">

                <search string="Departments">

                    <field name="name" string="Department"/>

                    <field name="manager_id" />

                    <filter string="Unread Messages" name="message_needaction" domain="[('message_needaction','=',True)]"/>

                    <separator/>

                    <filter string="Archived" name="inactive" domain="[('active','=',False)]"/>

                    <searchpanel>

                        <field name="company_id" groups="base.group_multi_company" icon="fa-building"/>

                        <field name="parent_id" icon="fa-users"/>

                    </searchpanel>

                </search>

             </field>

        </record>