flectra/addons/payment_buckaroo/views/payment_buckaroo_templates.xml

<?xml version="1.0" encoding="utf-8"?>
<flectra>
    <data noupdate="1">
        <template id="buckaroo_form">
            <input type="hidden" name="data_set" t-att-data-action-url="tx_url" data-remove-me=""/>
            <input type="hidden" name="Brq_websitekey" t-att-value="Brq_websitekey"/>
            <input type="hidden" name="Brq_amount" t-att-value="Brq_amount"/>
            <input type="hidden" name="Brq_currency" t-att-value="Brq_currency"/>
            <input type="hidden" name="Brq_invoicenumber" t-att-value="Brq_invoicenumber"/>
            <input type="hidden" name="Brq_signature" t-att-value="Brq_signature"/>
            <input type="hidden" name="brq_test" t-att-value="brq_test"/>
            <input type="hidden" name="Brq_culture" t-att-value="Brq_culture"/>
            <!-- URLs -->
            <input t-if="Brq_return" type='hidden' name='Brq_return'
                t-att-value="Brq_return"/>
            <input t-if="Brq_returncancel" type='hidden' name='Brq_returncancel'
                t-att-value="Brq_returncancel"/>
            <input t-if="Brq_returnerror" type='hidden' name='Brq_returnerror'
                t-att-value="Brq_returnerror"/>
            <input t-if="Brq_returnreject" type='hidden' name='Brq_returnreject'
                t-att-value="Brq_returnreject"/>
            <input type='hidden' name='add_returndata' t-att-value="add_returndata"/>
        </template>
    </data>
</flectra>