'Enables notifications for a particular host.
Note that this command does not enable notifications for
services associated with this host.
Syntax: ENABLE_HOST_NOTIFICATIONS;<host_name>'

def enable_host_notifications(self, host):

    cmd = 'ENABLE_HOST_NOTIFICATIONS'
    notif_str = self._fmt_notif_str(cmd, host)
    self._write_command(notif_str)
