{"en_US": "<data><field name=\"send_sms\" position=\"after\">\n                    <field name=\"send_letter\"/>\n                </field>\n                <field name=\"mail_template_id\" position=\"attributes\">\n                    <attribute name=\"invisible\">not send_email and not send_letter</attribute>\n                </field>\n                <field name=\"join_invoices\" position=\"attributes\">\n                    <attribute name=\"invisible\">not send_email and not send_letter</attribute>\n                </field>\n            </data>"}