code: @Override
      protected void initModel() {
          // Load the Presentation content
          final List<Slide> slideList = getPresentationService().getPresentation().getSlides().getSlide();
          if (!slideList.isEmpty()) {
              this.slidePosition = 0;
              displaySlide(slideList.get(this.slidePosition), false);
          }
      }
docs: {@inheritDoc}