You may create new folder in file storage by using this file/list-command:
svc=file/mkdir¶ms={"itemId":<long>, "storageType":<uint>, "path":<text>}
| Param | Description | 
|---|---|
| itemId | element id | 
| storageType |  storage type: 1 - public(all users may see/download files ), 2 - protected (that users may see/down- load files who being grant rights)  | 
	
| path | relative path from root folder to the file | 
{} /* empty object if execution successful, if not - error code */
IF the path does not exist then:
{ "error": 5 }
  |