cooperative-market/beesdoo_website_posorder_amount/templates/portal_posorder_amount.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
     Copyright 2018 Rémy Taymans <remytaymans@gmail.com>
     License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
-->
<openerp>

  <!-- Add pos.order total amount -->
  <template
    id="total_pos_order_amount"
    name="Portal total POS order amount"
    priority="40"
    inherit_id="website_portal_v10.portal_layout">
    <xpath expr="//div[@class='o_my_details']" position="after">
      <div class="o_my_details_eater">
        <h3 class="page-header">Purchases</h3>
        <p>
          You have purchased a total amount of
          <span t-esc="posorder_amount"
            t-esc-options='{"widget": "monetary", "display_currency": "company_currency"}'/>.
        </p>
      </div>
    </xpath>
  </template>

</openerp>