partner-contact/partner_multi_relation/views/res_partner_relation_type.xml

<?xml version="1.0" encoding="UTF-8" ?>
<odoo>
    <record id="tree_res_partner_relation_type" model="ir.ui.view">
        <field name="model">res.partner.relation.type</field>
        <field type="xml" name="arch">
            <tree>
                <field name="name" />
                <field name="name_inverse" />
                <field name="contact_type_left" />
                <field name="contact_type_right" />
                <field name="allow_self" />
                <field name="is_symmetric" />
            </tree>
        </field>
    </record>
    <record id="form_res_partner_relation_type" model="ir.ui.view">
        <field name="model">res.partner.relation.type</field>
        <field type="xml" name="arch">
            <form>
                <sheet>
                    <group>
                        <group string="Left side of relation" name="left">
                            <field name="name" />
                            <field name="contact_type_left" />
                            <field name="partner_category_left" />
                        </group>
                        <group
                            string="Right side of relation"
                            name="right"
                            attrs="{'invisible': [('is_symmetric', '=', True)]}"
                        >
                            <field
                                name="name_inverse"
                                attrs="{'required': [('is_symmetric', '=', False)]}"
                            />
                            <field name="contact_type_right" />
                            <field name="partner_category_right" />
                        </group>
                    </group>
                    <group name="properties" string="Properties" colspan="6" col="4">
                        <field name="allow_self" />
                        <field name="is_symmetric" />
                        <field name="handle_invalid_onchange" />
                    </group>
                </sheet>
            </form>
        </field>
    </record>
</odoo>