docs: def current(self):
          """A namedtuple contains `uuid`, `project`, `action`.
  
          Example::
  
              @app.route('/webhook/broadcast-news')
              def broadcast_news():
                  if rio.current.action.startswith('news-'):
                      broadcast(request.get_json())
          """
          event = request.headers.get('X-RIO-EVENT')
          data = dict([elem.split('=') for elem in event.split(',')])
          return Current(**data)