private function determinePageIdFromArguments()
    {
        if (empty($this->argumentNameOfPageId)) {
            return 0;
        }

        if (false === array_key_exists($this->argumentNameOfPageId, $this->restler->apiMethodInfo->arguments)) {
            return 0;
        }

        $index = $this->restler->apiMethodInfo->arguments[$this->argumentNameOfPageId];
        $pageId = (integer) $this->restler->apiMethodInfo->parameters[$index];
        return $pageId;
    }