BaseManager::registerLandingEventHandler

static function registerLandingEventHandler(): void
{
	$eventManager = MainEventManager::getInstance();
	$handlers = $eventManager->findEventHandlers('landing', 'onPubHttpStatus');
	$onPubHttStatus = array_filter($handlers, static function($handler) {
		return $handler['TO_METHOD'] === 'landingDomainVerificationHandler';
	});
	if (!$onPubHttStatus)
	{
		$eventManager->registerEventHandler(
			'landing',
			'onPubHttpStatus',
			'sale',
			'BitrixSaleDomainVerificationService',
			'landingDomainVerificationHandler'
		);
	}
}