diff --git a/Classes/Utility/ApiUtility.php b/Classes/Utility/ApiUtility.php
new file mode 100644
index 0000000..8d4d5fd
--- /dev/null
+++ b/Classes/Utility/ApiUtility.php
@@ -0,0 +1,193 @@
+<?php
+namespace Cjel\TemplatesAide\Utility;
+
+/***
+ *
+ * This file is part of the "" Extension for TYPO3 CMS.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ *  (c) 2019 Philipp Dieter 
+ *
+ ***/
+
+use TYPO3\CMS\Core\Utility\GeneralUtility;
+use TYPO3\CMS\Extbase\Object\ObjectManager;
+use TYPO3\CMS\Extbase\Service\ImageService;
+
+/**
+ *
+ */
+class ApiUtility
+{
+    /**
+     * @var \TYPO3\CMS\Extbase\Service\ImageService
+     */
+    protected $imageService;
+
+    /*
+     * objectManager
+     */
+    protected $objectManager = null;
+
+    /*
+     *
+     */
+    public function queryResultToArray(
+        $queryResult,
+        $additionalAttributes = [],
+        $mapping              = [],
+        $rootRowClass         = null
+    ) {
+        $httpHost = GeneralUtility::getIndpEnv('HTTP_HOST');
+        $requestHost = GeneralUtility::getIndpEnv('TYPO3_REQUEST_HOST');
+        $this->objectManager = GeneralUtility::makeInstance(
+            ObjectManager::class
+        );
+        $this->imageService = $this->objectManager->get(
+            imageService::class
+        );
+        if (1 == 0) {
+            $rows = $queryResult->toArray();
+        } else {
+            $rows = $queryResult;
+        }
+        $result = [];
+        foreach ($rows as $row) {
+            $rowClass = (new \ReflectionClass($row))->getShortName();
+            $methods = get_class_methods($row);
+            $rowResult = [];
+            // Prevent endless recursion?
+            //@todo: improve, dont rely on classes
+            if ($rootRowClass == $rowClass) {
+                $rowResult['uid'] = $row->getUid();
+                $result[] = $rowResult;
+                continue;
+            }
+
+            $propertieResults = [];
+            foreach ($methods as $method) {
+                if (substr($method, 0, 3) === 'get') {
+                    $methodResult = call_user_func([$row, $method]);
+                    $attributeName = lcfirst(substr($method, 3));
+                    $propertieResults[$attributeName] = $methodResult;
+                }
+            }
+            foreach ((array)$additionalAttributes as $attribute => $value) {
+                if (
+                    !array_key_exists($attribute, $propertieResults)
+                    && $row->$attribute
+                ) {
+                    $propertieResults[$attribute]
+                        = $row->$attribute;
+                }
+            }
+            foreach ($propertieResults as $attributeName => $methodResult) {
+                if (gettype($methodResult) == 'string'
+                    || gettype($methodResult) == 'integer'
+                    || gettype($methodResult) == 'boolean'
+                ) {
+                    $rowResult[$attributeName] = $methodResult;
+                }
+                if (array_key_exists($rowClass, $mapping)
+                    && array_key_exists($attributeName, $mapping[$rowClass])
+                ) {
+                    $mappingFunction = $mapping[$rowClass][$attributeName];
+                    $rowResult[$attributeName] = $mappingFunction(
+                        $methodResult,
+                        $row
+                    );
+                }
+                if (gettype($methodResult) == 'object'
+                    && get_class($methodResult) == 'DateTime'
+                ) {
+                    $rowResult[$attributeName] = $methodResult->format('c');
+                }
+                if (gettype($methodResult) == 'object'
+                    && get_class($methodResult)
+                        == 'TYPO3\CMS\Extbase\Persistence\ObjectStorage'
+                ) {
+                    if ($rootRowClass == null) {
+                        $nextLevelClass = $rowClass;
+                    } else {
+                        $nextLevelClass = $rootRowClass;
+                    }
+                    $rowResult[$attributeName] = self::queryResultToArray(
+                        $methodResult,
+                        $additionalAttributes[$attributeName],
+                        $mapping,
+                        $nextLevelClass
+                    );
+                }
+                //@todo: build unversal solution without fixed class name
+                if (gettype($methodResult) == 'object'
+                    && get_class($methodResult)
+                        == 'Glanzstueck\FesCustomerportal\Domain\Model'
+                            .  '\FrontendUser'
+                ) {
+                    if ($rootRowClass == null) {
+                        $nextLevelClass = $rowClass;
+                    } else {
+                        $nextLevelClass = $rootRowClass;
+                    }
+                    $rowResult[$attributeName] = self::queryResultToArray(
+                        [$methodResult],
+                        $additionalAttributes[$attributeName],
+                        $mapping,
+                        $nextLevelClass
+                    )[0];
+                }
+                if (gettype($methodResult) == 'object'
+                    && get_class($methodResult)
+                        == 'TYPO3\CMS\Extbase\Persistence\Generic'
+                            . '\LazyObjectStorage'
+                ) {
+                    $rowResult[$attributeName] = [];
+                    foreach ($methodResult as $object) {
+                        $publicUrl = $object->getOriginalResource()
+                            ->getPublicUrl();
+                        $absoluteUrl = $requestHost
+                            . '/'
+                            . $publicUrl;
+                        $imagePreview = $this->imageService->getImage(
+                            $publicUrl,
+                            null,
+                            0
+                        );
+                        $processingInstructionsPreview = array(
+                            //'width' => '1024c',
+                            //'height' => '768c',
+                            //'minWidth' => $minWidth,
+                            //'minHeight' => $minHeight,
+                            'maxWidth' => '1024',
+                            'maxHeight' => '768',
+                            //'crop' => $crop,
+                        );
+                        $processedImagePreview = $this->imageService
+                           ->applyProcessingInstructions(
+                               $imagePreview,
+                               $processingInstructionsPreview
+                           );
+                        $publicUrlPreview = $this->imageService
+                             ->getImageUri(
+                                $processedImagePreview
+                            );
+                        $absoluteUrlPreview = $requestHost
+                            . '/'
+                            . $publicUrlPreview;
+                        $rowResult[$attributeName][] = [
+                            'uid' => $object->getUid(),
+                            'publicUrl' => $publicUrl,
+                            'absoluteUrl' => $absoluteUrl,
+                            'publicUrlPreview' => $publicUrlPreview,
+                            'absoluteUrlPreview' => $absoluteUrlPreview,
+                        ];
+                    }
+                }
+            }
+            $result[] = $rowResult;
+        }
+        return $result;
+    }
+}
diff --git a/Classes/ViewHelpers/HeaderDataViewHelper.php b/Classes/ViewHelpers/HeaderDataViewHelper.php
index 431436f..0308b55 100644
--- a/Classes/ViewHelpers/HeaderDataViewHelper.php
+++ b/Classes/ViewHelpers/HeaderDataViewHelper.php
@@ -25,12 +25,12 @@ class HeaderDataViewHelper extends AbstractViewHelper
         }
         switch ($type){
             case 'tracking':
-                if(GeneralUtility::getApplicationContext()->isProduction()){
+                //if(GeneralUtility::getApplicationContext()->isProduction()){
                     $GLOBALS['TSFE']->additionalHeaderData[] = $data;
-                } else {
-                    $GLOBALS['TSFE']->additionalHeaderData[]
-                        = '<meta name="placeholder" content="tracking" />';
-                }
+                //} else {
+                //    $GLOBALS['TSFE']->additionalHeaderData[]
+                //        = '<meta name="placeholder" content="tracking" />';
+                //}
                 break;
             case 'title':
                 $GLOBALS['TSFE']->additionalHeaderData[]
diff --git a/Resources/Public/Css/backend/dev/visual.css b/Resources/Public/Css/backend/dev/visual.css
index 4ef5186..421c5c3 100644
--- a/Resources/Public/Css/backend/dev/visual.css
+++ b/Resources/Public/Css/backend/dev/visual.css
@@ -12,3 +12,17 @@
 	#151515
     )
 }
+
+.yui-layout-unit-left .inputEx-ListField-childContainer div div,
+#left div.inputEx-Field {
+  width: 100%;
+}
+
+#propertiesForm div.inputEx-Group .inputEx-StringField-wrapper input[type="text"],
+#propertiesForm div.inputEx-Group .inputEx-StringField-wrapper textarea {
+  width: calc(100% - 10px);
+}
+
+#propertiesForm div.inputEx-Group .inputEx-StringField-wrapper textarea {
+  height: 150px;
+}