if (BPConfig::$guardian_enable !== true || Guardian::authorize(Session::user(BPConfig::$guardian_identity_session_key), "META", $bpKey, null)) {
         if (!empty($filterSignature)) {
             Log::debug("* filterSignature = {$filterSignature}");
         }
         switch ($view) {
             case "xml":
                 // Render XML
                 $xmlRendering = DraftingDesk::renderFilter("FilterXMLDrafter", $entitySignature, $filterSignature, $params);
                 // Prepare response
                 $xml->addChild("status", "success");
                 $xml->addChild("message", "Successfully rendered a filter as xml");
                 $xml->addChild("xml", $xmlRendering);
                 break;
             case "html":
                 // Render html
                 $html = DraftingDesk::renderFilter($renderer, $entitySignature, $filterSignature, $params);
                 // Encode html for packaging in xml
                 $encodedHtml = htmlentities($html);
                 // Prepare response
                 $xml->addChild("status", "success");
                 $xml->addChild("message", "Successfully rendered a filter");
                 $xml->addChild("html", $encodedHtml);
             default:
         }
     } else {
         Log::warning("* Guardian denied access to META {$bpKey}");
         $xml->addChild("status", "error");
         $xml->addChild("message", "Access Denied");
     }
 } catch (Exception $e) {
     Log::error("Caught: " . $e->getMessage());
    if (empty($sessionFilters) || !is_array($sessionFilters)) {
        Log::warning("* Create a new set of session filters");
        $sessionFilters = array();
    }
    foreach ($filterKeys as $keyPath) {
        Log::debug("* Saving filter: {$keyPath}");
        $sessionFilters["{$keyPath}"] = $filters["{$keyPath}"];
    }
    // save changes to Session
    Session::user("_CONDUIT_FILTERS", $sessionFilters);
    /*
    // Render a new filter to include in response
    */
    // ? Guardian: test for META access
    try {
        $xmlRendering = DraftingDesk::renderFilter("FilterXMLDrafter", $entitySignature, $filterSignature, $params);
        $responseNode->appendChild($dom->createElement("status", "success"));
        $responseNode->appendChild($dom->createELement("message", "Updated filters for {$entitySignature}"));
        $xmlRenderingDom = new DomDocument();
        $xmlRenderingDom->loadXML($xmlRendering);
        $bpXmlDraftRenderingNode = $xmlRenderingDom->getElementsByTagName("bpXmlDraftRendering")->item(0);
        $importNode = $dom->importNode($bpXmlDraftRenderingNode, true);
        $xmlNode = $dom->createElement("xml");
        $responseNode->appendChild($xmlNode);
        $xmlNode->appendChild($importNode);
    } catch (Exception $e) {
        Log::error("* Caught Exception: " . $e->getMessage());
        $xml->addChild("status", "error");
        $xml->addChild("message", "Caught Exception: " . $e->getMessage());
    }
} else {
DraftingDesk::renderList("ListDrafter", "Member.entity.xml");
echo "using ListUlDrafter<br/>";
echo "using ListUlDrafter with a ListBlueprint<br/>";
DraftingDesk::renderList("ListUlDrafter", "Member.entity.xml", "Member.Directory.list.xml");
$params = array();
$params["order"] = "lname DESC";
$params["filters"] = array();
$params["filters"]["filter_fname_like"] = "Be";
DraftingDesk::renderList("ListTableDrafter", "Member.entity.xml", null, $params);
echo "<br/><br/><hr/><br/><br/>";
echo "Test FilterDrafter<br/><br/>";
$drafter = new FilterDrafter($entityBP);
$html = $drafter->render();
echo $html;
echo "<br/><br/>";
echo "Test Reading a Filter Blueprint<br/><br/>";
$filterBP = BlueprintReader::read("Member.Name.filter.xml");
echo "Test class instance..<br>";
if ($filterBP instanceof FilterBlueprint) {
    echo "filterBP is an instance of FilterBlueprint<br><br>";
} else {
    echo "filterBP is not an instance of FilterBlueprint<br><br>";
}
echo "Test FilterDrafter with a FilterBlueprint<br/><br/>";
$drafter = new FilterDrafter($entityBP, $filterBP);
$html = $drafter->render();
echo $html;
echo "<br/><br/><hr/><br/><br/>";
echo "Testing DraftingDesk, renderFilter()...<br/>";
DraftingDesk::renderFilter("FilterDrafter", "Member.entity.xml", "Member.Name.filter.xml");