$httpClient =
Zend_Gdata_ClientLogin::getHttpClient(
$username = '****@gmail.com',
$password = '*****',
$service = 'youtube',
$client = null,
$source = 'testphp',
$loginToken = null,
$loginCaptcha = null,
$authenticationURL);
I have got the above code from code.google.com. I want to know what authenticationURL
should be. I new to this help me out