<?xml version="1.0"?>
<data><xpath expr="//div[@name='send_buttons']" position="inside">
                <button name="action_send_sms" help="Send SMS to attendees" type="object" string="SMS" icon="fa-mobile" invisible="not user_can_edit"/>
            </xpath>
            <xpath expr="//field[@name='phone']" position="attributes">
                <attribute name="options">{'enable_sms': false}</attribute>
            </xpath>
        </data>