>
  <td class="comment">Special field used by ACN to indicate the presence/absence of optional fields that do not have the present when property.
  <br/>
  <ul type="square">
  <li>bit1 == 1 &#8658 <font  color="#5F9EA0" >commandArgument</font> is present</li>
  </ul></td>
  <td class="optional">always</td>
  <td class="type">Bit mask</td>
  <td class="constraint">N.A.</td>
  <td class="min">1</td>
  <td class="max">1</td>
  </tr>
  <tr class="EvenRow">
  <td class="no">2</td>
  <td class="field">commandArg