pability.</p></dd>


<dt>identity</dt>
<dd><p>User name or account ID (if credentials are applicable).</p></dd>


<dt>secret</dt>
<dd><p>User password or token (if credentials are applicable).</p></dd>


<dt>format</dt>
<dd><p>Data format, to help resource resolver identification and coercing to other formats, optional.</p></dd>

</dl></div>

    <div id="ref-examples">
    <h2>Examples</h2>
    <div class="sourceCode"><pre class="sourceCode r"><code><span class="r-in"><span class="op">{</span></span>
<span