Deal::onBeforeCrmDealDelete

static function onBeforeCrmDealDelete(int $id): bool
{
	global $APPLICATION;
	$result = true;

	$orderList = self::getEntityOrderList($id);
	foreach ($orderList as $order)
	{
		$deleteResult = Crm\Order\Order::delete($order->getId());
		if (!$deleteResult->isSuccess())
		{
			$result = false;

			\Bitrix\Crm\Service\Container::getInstance()->getLocalization()->loadMessages();
			$APPLICATION->ThrowException(
				Loc::getMessage(
					'CRM_DELETE_ERROR',
					['#ERROR#' => implode('
', $deleteResult->getErrorMessages())]
				),
				'system'
			);
			break;
		}
	}

	return $result;
}