"Events and Messages : Reactive" - Send SMS when a specific user logs in

Event in zFTPServer:
OnLoggedIn

Message in zFTPServer:
User logged in, proceed.%EXECUTE("C:\Scripts\NotifyOnLoggedIn.cmd" %USERNAME%)%

Contents of file "C:\Scripts\NotifyOnLoggedIn.cmd":
@echo off

rem Setup variables
set USER=<sms username>
set PASS=<sms password>
set TEXT=Login%%3A%1
set TO=555123456
set FROM=zFTPLogin
set PARAMS=acc=%USER%^^^&pass=%PASS%^^^&msg=%TEXT%^^^&to=%TO%^^^&from=%FROM%^^^&prio=3

rem Notify on certain users logging in
if /I "%1" == "Administrator" wget --delete-after http://smsgateway/send.php?%PARAMS% >NUL
if /I "%1" == "Backup" wget --delete-after http://smsgateway/send.php?%PARAMS% >NUL
if /I "%1" == "John" wget --delete-after http://smsgateway/send.php?%PARAMS% >NUL