The UploadHandler type exposes the following properties.
|AllFilesUploadedCallback||Gets or sets the callback function which is called when the whole upload session is completed and all the converted files and metadata are received on the server side.|
|CacheAliveTimeout||Gets or sets a maximum time (in seconds) the upload session cache will be saved.|
|FileUploadedCallback||Gets or sets the callback function called when all the converted files and metadata related to a particular user-selected file are successfully uploaded.|
|UploadCacheDirectory||Gets or sets a path to the folder where UploadHandler saves the upload session cache.|