OnWebLogin system event

<?php

// Handle event
$e = & $modx->Event;
switch($e->name)
{
    case "OnWebLogin":
        
		$ourFileName = "file.txt";		
		$path = $modx->config['base_path'].$ourFileName;
		
		$ourFileHandle = fopen($path, 'w');
		fclose($ourFileHandle);
        
        break;

    case "OnWebLogout":
        // code here
    break;

}
?>