<?xml version="1.0"?>
<search string="User-defined Defaults">
                <field name="field_id"/>
                <field name="user_id"/>
                <field name="company_id" groups="base.group_multi_company"/>
                <group expand="0" string="Group By">
                    <filter string="User" name="groupby_user" domain="[]" context="{'group_by':'user_id'}"/>
                    <filter string="Company" name="groupby_company" domain="[]" context="{'group_by':'company_id'}"/>
                </group>
            </search>
        