importmlreportgen.ppt.*; pre = Presentation('myPresentation.pptx'); dispatcher = MessageDispatcher.getTheDispatcher; dispatcher.Filter.DebugMessagesPass = true; l = addlistener(dispatcher,'Message',...@(src,evtdata) disp(evtdata.Message.formatAsText)); dispatch(dispatcher,ErrorMessage('invalid slide',pre)); open(pre); titleText = Text('This is a Title'); titleText.Style = {Bold}; replace(pre,'Title',titleText); close(pre); delete(l);