Check::onCheckCollateDocuments

static function onCheckCollateDocuments(Main\Event $event): ?Main\EventResult
{
	$entities = $event->getParameter('ENTITIES');
	if (is_array($entities))
	{
		foreach ($entities as $entity)
		{
			if ($entity instanceof Crm\Order\Payment && Crm\Terminal\PaymentHelper::isTerminalPayment($entity))
			{
				return new Main\EventResult(Main\EventResult::ERROR);
			}
		}
	}

	return null;
}