To create a new resource type you should place the section below in your config.php file. Note that the options you can use are discribed in the Built-in resource types section.
Example: You want to create a resource type MSdocs which will only have files with the doc,ppt,xls extensions and be maximum 2 megabites large.
$config['ResourceType'] = Array( 'name' => 'MSdocs', 'url' => $baseUrl . 'MSdocs', 'directory' => $baseDir . 'MSdocs', 'maxSize' => 2M, 'allowedExtensions' => 'doc,ppt,xls,', 'deniedExtensions' => '');
When loading CKFinder, the "type" querystring parameter can be used to display a specific type only. If "type" is omitted in the URL, the "DefaultResourceTypes" settings is used (may contain the resource type names separated by a comma).
If left empty, all types are loaded. If you want to limit the CKFinder to use only MSdocs resource type, use the following code:
$config['DefaultResourceTypes'] = 'MSdocs';