Odoo 12电子邮件模板中的多个附件

如何在Odoo 12电子邮件模板中添加多个附件

我的电子邮件模板在这里

<record id="indenter_notification_email_template" model="mail.template">
  <field name="name">notification template</field>
  <field name="email_from">${object.company_id and object.company_id.email or ''}</field>
  <field name="subject">Congratz ${object.partner_id.name}</field>
  <field name="email_to">${object.partner_id.email|safe}</field>
  <field name="lang">${object.partner_id.lang}</field>
  <field name="model_id" ref="payment_ref" />
  <field name="auto_delete" eval="True" />
  <field name="body_html">
    <![CDATA[
          <p>Dear ${(object.partner_id.name)},<br/><br/>
        ]]>
  </field>
  <field name="report_template" ref="action_print_purchase_form_1" />
  <field name="report_name">${(object.indent_id)}</field>
</record>

通知模板
${object.company\u id和object.company\u id.email或“”}
恭喜${object.partner_id.name}
${object.partner_id.email | safe}
${object.partner_id.lang}
亲爱的${（object.partner\u id.name）}，


]]>
${（object.indent_id）}