e></td>
  </tr>

  <tr>
    <td>echo</td>
    <td>Echo the command usage (for access analysis or debugging)
    </td>
    <td><code class="noHighlight">false</code></td>
  </tr>

  <tr>
    <td>if</td>
    <td>Only execute if a property of the given name <b>exists</b> in the current project.
    </td>
    <td></td>
  </tr>

  <tr>
    <td>unless</td>
    <td>Only execute if a property of the given name <b>not exists</b> in the current project.
    </td>
    <td></td>
  </tr>

</table>

<p>
Example to open a