web_techsystech/web_widget_open_tab/demo/res_users_view.xml

<?xml version="1.0" encoding="UTF-8" ?>
<odoo>
    <record id="view_users_tree" model="ir.ui.view">
        <field name="model">res.users</field>
        <field name="inherit_id" ref="base.view_users_tree" />
        <field name="arch" type="xml">
            <field name="name" position="before">
                <field name="id" widget="open_tab" />
            </field>
        </field>
    </record>
</odoo>