Hola,

% set transaction = object.get_portal_last_transaction() Su pedido ${object.name} con importe ${format_amount(object.amount_total, object.currency_id)} % if object.state == 'sale' or (transaction and transaction.state in ('done', 'authorized')) : ha sido confirmado.
¡Gracias por su confianza! % elif transaction and transaction.state == 'pending' : está pendiente. Será confirmado cuando su pago sea recibido. % if object.reference: Su referencia de pago es ${object.reference}. % endif % endif

No dude en contactarnos si tiene alguna pregunta.

% if object.website_id:
Productos Cantidad % if object.user_id.has_group('account.group_show_line_subtotals_tax_excluded'): impuestos incluidos. % else impuestos no incluidos. % endif
% for line in object.order_line: % if not line.is_delivery and line.display_type in ['line_section', 'line_note']:
% if line.display_type == 'line_section': ${line.name} % elif line.display_type == 'line_note': ${line.name} % endif
% elif not line.is_delivery
Product image ${line.product_id.name} ${line.product_uom_qty} % if object.user_id.has_group('account.group_show_line_subtotals_tax_excluded'): ${format_amount(line.price_reduce_taxexcl, object.currency_id)} % else ${format_amount(line.price_reduce_taxinc, object.currency_id)} % endif
% endif % endfor
% if object.carrier_id:
Envío: ${format_amount(object.amount_delivery, object.currency_id)}
Subtotal: ${format_amount(object.amount_untaxed, object.currency_id)}% else:
SubTotal: ${format_amount(object.amount_untaxed, object.currency_id)}% endif
Impuestos: ${format_amount(object.amount_tax, object.currency_id)}
Total: ${format_amount(object.amount_total, object.currency_id)}% if object.partner_invoice_id:
Facturar a: ${object.partner_invoice_id.street or ''} ${object.partner_invoice_id.city or ''} ${object.partner_invoice_id.state_id.name or ''} ${object.partner_invoice_id.zip or ''} ${object.partner_invoice_id.country_id.name or ''}
Método de pago: % if transaction.payment_token_id: ${transaction.payment_token_id.name} % else: ${transaction.acquirer_id.name} % endif (${format_amount(transaction.amount, object.currency_id)})
% endif % if object.partner_shipping_id and not object.only_services:

Enviar a: ${object.partner_shipping_id.street or ''} ${object.partner_shipping_id.city or ''} ${object.partner_shipping_id.state_id.name or ''} ${object.partner_shipping_id.zip or ''} ${object.partner_shipping_id.country_id.name or ''}
% if object.carrier_id:
Forma de envío: ${object.carrier_id.name} % if object.carrier_id.fixed_price == 0.0: (Gratuito) % else: (${format_amount(object.carrier_id.fixed_price, object.currency_id)}) % endif
% endif
% endif % endif

the email looks like

Same problem. Odoo v15.