FileObject 
  constructor(name: String, id: String?, updatedAt: Instant?, createdAt: Instant?, lastAccessedAt: Instant?, metadata: JsonObject?)(source)
Parameters
name
The name of the item
id
The id of the item
updatedAt 
The last update date of the item
createdAt 
The creation date of the item
lastAccessedAt  
The last access date of the item
metadata
The metadata of the item