tr></thead>
<tbody>
<tr>
<td>
                    <p>
                      <code class="computeroutput"><span class="identifier">payload</span></code>
                    </p>
                  </td>
<td>
                    <p>
                      The payload of the ping message, which may be empty.
                    </p>
                  </td>
</tr>
<tr>
<td>
                    <p>
                      <code class="computeroutput"><span class="identifier">ec</span></code>
                    </p>
