ImOpenLinesManager::sendOrderNotify

public function sendOrderNotify(Order $order, $dialogId, bool $isNew = true)
{
	$result = new Result();
	if($this->isEnabled())
	{
		$urlInfo = $this->getPublicUrlInfoForOrder($order);
		if(!$urlInfo)
		{
			$result->addError(new Error('Page not found'));
			return $result;
		}

		$messageId = Im::addMessage([
			'DIALOG_ID' => $dialogId,
			'AUTHOR_ID' => Driver::getInstance()->getUserId(),
			'FROM_USER_ID' => Driver::getInstance()->getUserId(),
			'SYSTEM' => 'Y',
			'PARAMS' => $this->getCommonImParams(),
			'ATTACH' => $this->createImSystemAttachByOrder($order, $isNew),
			'SKIP_CONNECTOR' => 'Y',
		]);

		if(!$messageId)
		{
			global $APPLICATION;
			$result->addError(new Error($APPLICATION->LAST_ERROR));
		}
	}

	return $result;
}