Adds a folder to leads section.
| Argument | Data Type | Required | Description |
| foldername | string | Yes | name of folder |
| parent | integer | No | parent id of the folder |
| XML Response | JSON Response |
| <response> <folderid>1</folderid> <success>Folder Added</success> </response> |
{
"folderid": "1",
"success": "Folder Added"
} |