Storage::getPid() 

\nn\t3::Storage()->getPid($extName = NULL); 

In the controller: Get current StoragePid for a plug-in. Alias to \nn\t3::Settings()->getStoragePid()

\nn\t3::Storage()->getPid();
\nn\t3::Storage()->getPid('news');

| @return string

public function getPid ( $extName = null )
{
	return \nn\t3::Settings()->getStoragePid( $extName );
}