Adding new tabs to the Plone Site

We can customize the site by adding new tabs. This depends upon the requirements of the client.We added two tabs about us and contact us. These are steps to be followed for adding a new tab.

Return to the ZMI, and click portal_actions. Scroll to the bottom of the form to the add form.
Fill the form with the following values:

• Title: about us
  
• Id: about us_tab
• URL(Expression): string:$portal_url/about us
• Permission: View
• Category: portal_tabs
• Visible: selected

Click on the Add button and then click Save.On returning to the plone interface we can see a new tab "about us" being added.