code: @Override
  	public String uploadSlideshowFromFile(String username, String password, File slideshowFile, String title,
  										  String description) {
  		return uploadSlideshowFromFile(username, password, slideshowFile, title, description, null, true, null, null,
  									   null, null);
  	}
docs: api@slideshare.com with your developer account username describing the use case.