Add Details to Email

gistfile1.txt

for record in records:
  if record.model == 'project.task':
    task = env['project.task'].search([('id','=',record.res_id)])
    new_body = "<dl><dt>Project: </dt><dd>%s</dd>" % task.project_id.display_name
    new_body += "<dt>Customer: </dt><dd>%s</dd>" % task.partner_id.display_name
    new_body += "<dt>Deadline: </dt><dd>%s</dd>" % (task.date_deadline and task.date_deadline or 'N/A')
    record['body_html'] = record.body_html +  new_body + "</dl>"