partner-contact/partner_multi_relation/views/res_partner_relation_all.xml

<?xml version="1.0" encoding="UTF-8" ?>
<odoo>
    <record id="tree_res_partner_relation_all" model="ir.ui.view">
        <field name="model">res.partner.relation.all</field>
        <field name="arch" type="xml">
            <tree string="Partner Relations" editable="top">
                <field
                    name="this_partner_id"
                    required="True"
                    options="{'no_create': True}"
                />
                <field
                    name="type_selection_id"
                    required="True"
                    options="{'no_create': True}"
                />
                <field
                    name="other_partner_id"
                    required="True"
                    options="{'no_create': True}"
                />
                <field name="date_start" />
                <field name="date_end" />
                <field name="active" invisible="1" />
            </tree>
        </field>
    </record>
    <record id="search_res_partner_relation_all" model="ir.ui.view">
        <field name="model">res.partner.relation.all</field>
        <field name="arch" type="xml">
            <search string="Search Relations">
                <field name="any_partner_id" widget="many2one" />
                <field name="this_partner_id" />
                <field name="other_partner_id" />
                <field name="type_selection_id" />
                <filter
                    name="left_to_right"
                    string="Left to right"
                    domain="[('is_inverse', '=', False)]"
                />
                <filter
                    name="right_to_left"
                    string="Right to left"
                    domain="[('is_inverse', '=', True)]"
                />
                <filter
                    name="include_part_records"
                    string="Include past records"
                    context="{'active_test': False}"
                />
                <group expand="0" string="Group By">
                    <filter
                        name="group_by_this_partner_id"
                        string="One Partner"
                        context="{'group_by': 'this_partner_id'}"
                    />
                    <filter
                        name="group_by_type_selection_id"
                        string="Relationship Type"
                        context="{'group_by': 'type_selection_id'}"
                    />
                    <filter
                        name="group_by_other_partner_id"
                        string="Other Partner"
                        context="{'group_by': 'other_partner_id'}"
                    />
                </group>
            </search>
        </field>
    </record>
    <record id="action_res_partner_relation_all" model="ir.actions.act_window">
        <field name="name">Relations</field>
        <field name="res_model">res.partner.relation.all</field>
        <field name="view_mode">tree</field>
        <field name="view_id" ref="tree_res_partner_relation_all" />
        <field name="search_view_id" ref="search_res_partner_relation_all" />
        <field name="context">{'active_test': 0}</field>
        <field name="help" type="html">
            <p class="oe_view_nocontent_create">
                Record and track your partners' relations. Relations may
                be linked to other partners with a type either directly
                or inversely.
            </p>
        </field>
    </record>
</odoo>