public function __construct($idSite)
{
$name = 'urls';
$pluginName = 'WebsiteMeasurable';
$defaultValue = array('http://siteUrl.com/', 'http://siteUrl2.com/');
$type = FieldConfig::TYPE_ARRAY;
parent::__construct($name, $defaultValue, $type, $pluginName, $idSite);
}