<?php 
var $components  = array('Auth');
var $helpers = array('Auth');

function beforeFilter(){ 
    //Set Authentication System
    $this->initAuth();
} 
    
/**
 * Setup Authentication Component
*/
protected function initAuth(){
   $this->Auth->sessionKey = 'SomeRandomStringValue';
   $this->set('authSessionKey', $this->Auth->sessionKey);
} 

?>