Layout::exec

public function exec(): void
{
	if ($this->execCustom())
	{
		return;
	}

	$breakpoint = trim(HtmlFilter::encode($this->fields['BREAKPOINT']));
	if(!$breakpoint)
	{
		$breakpoint = self::DEFAULT_BREAKPOINT;
	}

	// Manager::setPageView('BodyClass', $bodyClass);
	Manager::setPageView('MainClass', 'landing-layout-breakpoint--' . $breakpoint);
}