docs: function setTabId (sections) {
  
      sections.forEach(function (section, sectionIndex) {
  
          if (!Array.isArray(section)) {
              return;
          }
  
          section.forEach(function (tab, tabIndex) {
  
              // Replace white space from tab.label with "-", make it lowercase and add the index number at the end.
              // sectionIndex and tabIndex number are added at the end to make the tabID unique in case when more then one tab have the same label (title)
              tab.tabId = (tab.label).replace(/\s+/g, '-').toLowerCase() + '-' + sectionIndex + '-' + tabIndex;
  
          });
  
      });
  
  }