FileSystemService.setDescription Method
        
 Sets the description on the given file or folder.
 
         
        Parameters
        
            - id
            
 
            - 
                
Type: String
The ID of the file or folder to set the description on. 
            - description
            
 
            - 
                
Type: String
The new description to set. 
        
        Return Value
        
Type: jQuery.Promise
        
Value: String
        
A promise object that is resolved when the call is complete.