Create a folder or subfolder
    You can create folders and subfolders in the user's contact folder. The ParentFolderId is optional. When it is not provided and a  folder is created, the folder appears in the user's contact folder. In the following sample code, the folder called "Support folder" is created as a subfolder in the specified ParentFolderId.  
POST https://localhost:8443/api/folder/create HTTP/1.1 Content-Type: application/json X-Good-GD-AuthToken: <GDAuthToken> { "FolderName": "Support folder", "ParentFolderId":"AQMkADk0YzU4MjdkLWU1YjktNGE0OC1iZDczLWJjOTEyYjE2M..." }
If the request is successful, 
BEMS
 returns a 201 HTTP response code that the contact folder is successfully created.If a folder with the same name exists in the parent folder, 
BEMS
 returns a 200 HTTP response code and the folder is not saved.{ "ErrorMessage": "Support folder" already exists in this directory" }