code: protected void openLaunchpad() throws JspException {
  
          try {
              openWorkplaceLink(
                  OpenCms.getSystemInfo().getWorkplaceContext() + "#!" + CmsAppHierarchyConfiguration.APP_ID);
          } catch (Exception e) {
              // forward failed
              throw new JspException(e.getMessage(), e);
          }
      }
docs: Opens the launch pad view.<p>
  
  @throws JspException in case writing to the JSP output stream fails