function getCheckedOutDocs($repositoryId, $folderId = null, $filter = '', $includeAllowableActions, $includeRelationships, $maxItems = 0, $skipCount = 0)
{
$checkedout = array();
$results = $this->ktapi->get_checkedout_docs(false);
foreach ($results as $document) {
$CMISDocument = new CMISDocumentObject($document->getId(), $this->ktapi);
// set version label property - possibly belongs in document class
$CMISDocument->setProperty('VersionLabel', $CMISDocument->getProperty('VersionSeriesCheckedOutId'));
$checkedout[] = $CMISDocument->getProperties();
}
return $checkedout;
}