code: public void addMenuItem(CmsAdminMenuItem item, float position) {
  
          m_container.addIdentifiableObject(item.getId(), item, position);
      }
docs: Adds a menu item at the given position.<p>
  
  @param item the item
  @param position the position
  
  @see org.opencms.workplace.tools.CmsIdentifiableObjectContainer#addIdentifiableObject(String, Object, float)