protected function getItemData($itemIdentifier)
    {
        $serviceContext = $this->getServiceContext();
        $itemRef = $this->getRunnerService()->getItemHref($serviceContext, $itemIdentifier);
        $itemData = $this->getRunnerService()->getItemData($serviceContext, $itemRef);
        $baseUrl = $this->getRunnerService()->getItemPublicUrl($serviceContext, $itemRef);

        $itemState = $this->getRunnerService()->getItemState($serviceContext, $itemIdentifier);
        if ($itemState === null || !count($itemState)) {
            $itemState = new stdClass();
        }

        return [
            'baseUrl' => $baseUrl,
            'itemData' => $itemData,
            'itemState' => $itemState,
            'itemIdentifier' => $itemIdentifier,
        ];
    }