code: public static PdfAction gotoEmbedded(String filename, PdfTargetDictionary target, PdfObject dest, boolean newWindow) {
      	PdfAction action = new PdfAction();
      	action.put(PdfName.S, PdfName.GOTOE);
      	action.put(PdfName.T, target);
      	action.put(PdfName.D, dest);
      	action.put(PdfName.NEWWINDOW, new PdfBoolean(newWindow));
      	if (filename != null) {
      		action.put(PdfName.F, new PdfString(filename));
      	}
      	return action;
      }
docs: Creates a GoToE action to an embedded file.
  @param filename	the root document of the target (null if the target is in the same document)
  @param target	a path to the target document of this action
  @param dest		the destination inside the target document, can be of type PdfDestination, PdfName, or PdfString
  @param newWindow	if true, the destination document should be opened in a new window
  @return a GoToE action