code: def broadcast_url(self, broadcast_id=None, stop=False, layout=False):
          
          url = self.api_url + '/v2/project/' + self.api_key + '/broadcast'
  
          if broadcast_id:
              url = url + '/' + broadcast_id
          if stop:
              url = url + '/stop'
          if layout:
              url = url + '/layout'
          return url
docs: this method returns urls for working with broadcast