<?xml version="1.0"?>
<form string="Guest">
                <sheet>
                    <group>
                        <group>
                            <field name="name"/>
                            <field name="country_id"/>
                        </group>
                        <group>
                            <field name="lang"/>
                            <field name="timezone"/>
                            <field name="channel_ids" widget="many2many_tags"/>
                        </group>
                    </group>
                </sheet>
            </form>
        