code: private void readResourceExtendedAttributes(Project.Resources.Resource xml, Resource mpx)
     {
        for (Project.Resources.Resource.ExtendedAttribute attrib : xml.getExtendedAttribute())
        {
           int xmlFieldID = Integer.parseInt(attrib.getFieldID()) & 0x0000FFFF;
           ResourceField mpxFieldID = MPPResourceField.getInstance(xmlFieldID);
           TimeUnit durationFormat = DatatypeConverter.parseDurationTimeUnits(attrib.getDurationFormat(), null);
           DatatypeConverter.parseExtendedAttribute(m_projectFile, mpx, attrib.getValue(), mpxFieldID, durationFormat);
        }
     }
docs: This method processes any extended attributes associated with a resource.
  
  @param xml MSPDI resource instance
  @param mpx MPX resource instance