BaseManager::registerB24EventHandler

static function registerB24EventHandler(): void
{
	$eventManager = MainEventManager::getInstance();
	$handlers = $eventManager->findEventHandlers('main', 'OnEpilog');
	$onEpilog = array_filter($handlers, static function($handler) {
		return $handler['TO_METHOD'] === 'b24DomainVerificationHandler';
	});
	if (!$onEpilog)
	{
		$eventManager->registerEventHandler(
			'main',
			'OnEpilog',
			'sale',
			'BitrixSaleDomainVerificationService',
			'b24DomainVerificationHandler');
	}
}