<?xml version="1.0"?>
<search string="Search history">
                    <field name="name"/>
                    <group expand="0" string="Group By...">
                        <filter name="group_by_channel" string="Channel" domain="[]" context="{'group_by':'livechat_channel_id'}"/>
                        <separator orientation="vertical"/>
                        <filter name="group_by_month" string="Creation Date" domain="[]" context="{'group_by':'create_date:month'}"/>
                    </group>
                </search>
            