def METHOD_NAME(self):
    self.alertnotify_dir = os.path.join(self.options.tmpdir, "alertnotify")
    self.blocknotify_dir = os.path.join(self.options.tmpdir, "blocknotify")
    self.walletnotify_dir = os.path.join(self.options.tmpdir, "walletnotify")
    os.mkdir(self.alertnotify_dir)
    os.mkdir(self.blocknotify_dir)
    os.mkdir(self.walletnotify_dir)
    # -alertnotify and -blocknotify on node0, walletnotify on node1
    self.extra_args = [
        [
            "-alertnotify=echo > {}".format(
                os.path.join(self.alertnotify_dir, "%s")
            ),
            "-blocknotify=echo > {}".format(
                os.path.join(self.blocknotify_dir, "%s")
            ),
        ],
        [
            "-blockversion=211",
            "-rescan",
            "-walletnotify=echo > {}".format(
                os.path.join(self.walletnotify_dir, "%s")
            ),
        ],
    ]
    super().METHOD_NAME()