Application received.
{rtrim($wa->url(true), '/')}{$wa_backend_url}crm/contact/{$customer.id|escape}
Firstname: {$customer.firstname|escape}
Lastname: {$customer.lastname|escape}
Email: {$customer->get('email', 'default')|escape}
Phone: {$customer->get('phone', 'default')|escape}
--
{$company_name}