>REQUIRED if mode is <code>MUTUAL</code>. The path to the file holding the
client&rsquo;s private key.
Should be empty if mode is <code>ISTIO_MUTUAL</code>.</p>

</td>
</tr>
<tr id="ClientTLSSettings-ca_certificates">
<td><div class="field"><div class="name"><code><a href="#ClientTLSSettings-ca_certificates">caCertificates</a></code></div>
<div class="type">string</div>
</div></td>
<td>
<p>OPTIONAL: The path to the file containing certificate authority
certificates to use in verifying a presented server cer