def get_notification_commands(self, o_type):
        """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]
        """
        # service_notification_commands for service
        notif_commands_prop = o_type + '_notification_commands'
        notif_commands = getattr(self, notif_commands_prop)
        return notif_commands