'Enables notifications for all services on the specified host.
Note that this does not enable notifications for the host.
Syntax: ENABLE_HOST_SVC_NOTIFICATIONS;<host_name>'

def enable_host_svc_notifications(self, host):

    cmd = 'ENABLE_HOST_SVC_NOTIFICATIONS'
    notif_str = self._fmt_notif_str(cmd, host)
    nagios_return = self._write_command(notif_str)
    if nagios_return:
        return notif_str
    else:
        return 'Fail:    could    not    write    to    the    command    file'
