code: public static function SetAuthClass ($authClass) {
  		$toolClass = \MvcCore\Application::GetInstance()->GetToolClass();
  		if ($toolClass::CheckClassInterface($authClass, 'MvcCore\Ext\Auths\Basics\IAuth', TRUE, TRUE)) 
  			self::$authClass = $authClass;
  	}
docs: Set authentication module full class name implementing `\MvcCore\Ext\Auths\Basics\IAuth`.
  @return string|NULL