code: def get_notification_commands(self, o_type):
          
          # service_notification_commands for service
          notif_commands_prop = o_type + '_notification_commands'
          notif_commands = getattr(self, notif_commands_prop)
          return notif_commands
docs: Get notification commands for object type
  
          :param o_type: object type (host or service)
          :type o_type: str
          :return: command list
          :rtype: list[alignak.objects.command.Command]