defined as IMAGE or BOTH type)</p></dd>
      <dt>highlighted</dt>
      <dd><p>Displays in an alternate mode, e.g. with a colored background or foreground. Depends on the IVI system</p></dd>
      <dt>buttonId</dt>
      <dd><p>Value which is returned via OnButtonPress / OnButtonEvent</p></dd>
      <dt>systemAction</dt>
      <dd><p>Parameter indicating whether selecting a SoftButton shall call a specific system action</p></dd>
      <dt>handler</dt>
      <dd><p>A handler that may optionally be run when 