<?xml version="1.0"?>
<search>
                <field name="name"/>
                <field name="user_ids"/>
                <filter name="filter_activated" string="Activated" domain="[('state', '=', 'activated')]"/>
                <filter name="filter_deactivated" string="Deactivated" domain="[('state', '=', 'deactivated')]"/>
                <group expand="1" string="Group by">
                    <filter string="Periodicity" name="periodicity" context="{'group_by': 'periodicity'}"/>
                </group>
            </search>
        