 headers.  Generally, get_resp_header is more useful.</td></tr>

<tr><td><code> resp_body(rd()) -&gt; 'undefined' | binary() </code></td><td>The outgoing response body, if one has been set.  Usually, append_to_response_body is the best way to set this.</td></tr>
<tr><td><code> app_root(rd()) -&gt; string() </code></td><td>Indicates the "height" above the requested URI that this resource is dispatched from.  Typical values are <code> "." </code>, <code> ".." </code>, <code> "../.." </code> and so on.</td></t