mail_template.xml

<record id="email_template_edi_sale" model="mail.template">
    <field name="name">Sales Order: Send by email</field>
    <field name="model_id" ref="sale.model_sale_order"/>
    <field name="report_template" ref="action_report_saleorder"/>
    <field name="report_name">${(object.name or '').replace('/','_')}</field>
    <field name="lang">${object.partner_id.lang}</field>
    <field name="user_signature" eval="False"/>
    <field name="email_from">${object.user_id.email_formatted |safe}</field>
    <field name="partner_to">${object.partner_id.id}</field>
    <field name="auto_delete" eval="True"/>
    <field name="subject">${object.company_id.name} ${object.state in ('draft', 'sent') and 'Quotation' or 'Order'} (Ref ${object.name or 'n/a' })</field>
    <field name="body_html" type="html">

<div style="margin: 0px; padding: 0px;">
    <p style="margin: 0px; padding: 0px; font-size: 13px;">
        % set doc_name = 'quotation' if object.state in ('draft', 'sent') else 'order'
        Dear ${object.partner_id.name}
        % if object.partner_id.parent_id:
            (${object.partner_id.parent_id.name})
        % endif
        <br /><br />
        Here is
        % if ctx.get('proforma'):
            in attachment your pro-forma invoice
        % else:
            the ${doc_name} <strong>${object.name}</strong>
        % endif
        % if object.origin:
            (with reference: ${object.origin} )
        % endif
        amounting in <strong>${format_amount(object.amount_total, object.pricelist_id.currency_id)}</strong>
        from ${object.company_id.name}.
        ${format_date(object.date)}
        ${format_tz(dt, tz=False, format=False)}  # v12
        ${format_datetime(dt, tz=False, dt_format=False, lang_code=False)}  # v14
        <br /><br />
        Do not hesitate to contact us if you have any question.
    </p>
</div>

    </field>
</record>


Variations :
user
ctx
lang
object