code: public void addChangeTitle(String title) {
  
          CmsPropertyModification propChange = new CmsPropertyModification(
              m_entryId,
              CmsClientProperty.PROPERTY_NAVTEXT,
              title,
              true);
          m_propertyModifications.add(propChange);
          m_ownInternalProperties.put("NavText", new CmsClientProperty("NavText", title, null));
      }
docs: Adds a property change for a changed title.<p>
  
  @param title the changed title