<?xml version="1.0"?>
<data><field name="page_ids" position="after">
                <field name="mobile" widget="phone"/>
            </field>
            <xpath expr="//div[hasclass('w_visitor_kanban_actions')]" position="inside">
                <button name="action_send_sms" type="object" class="btn btn-secondary" attrs="{'invisible': [('mobile', '=', False)]}">SMS
                </button>
            </xpath>
            <xpath expr="//div[hasclass('w_visitor_kanban_actions_ungrouped')]" position="inside">
                <button name="action_send_sms" type="object" class="btn btn-secondary border" attrs="{'invisible': [('mobile', '=', False)]}">SMS
                </button>
            </xpath>
        </data>