code: def response(args):
      
      e_tree = getattr(xml, args['verb'].lower())(**args)
  
      response = make_response(etree.tostring(
          e_tree,
          pretty_print=True,
          xml_declaration=True,
          encoding='UTF-8',
      ))
      response.headers['Content-Type'] = 'text/xml'
      return response
docs: Response endpoint.