diff --git a/classes/Interface/Settings/interface.xdhtSettingsInterface.php b/classes/Interface/Settings/interface.xdhtSettingsInterface.php
index c538793..f6ca609 100644
--- a/classes/Interface/Settings/interface.xdhtSettingsInterface.php
+++ b/classes/Interface/Settings/interface.xdhtSettingsInterface.php
@@ -121,6 +121,17 @@ public function getRecommenderSystemServer() : int;
     public function setRecommenderSystemServer(int $recommender_system_server)/*:void*/ ;
 
 
+    /**
+     * @return array
+     */
+    public function getRecommenderSystemServerBuiltInDebugCompetences() : array;
+
+
+    /**
+     * @param array $recommender_system_server_built_in_debug_competences
+     */
+    public function setRecommenderSystemServerBuiltInDebugCompetences(array $recommender_system_server_built_in_debug_competences)/*:void*/ ;
+
     /**
      * @return int
      */
diff --git a/classes/Recommender/debug/api/v1/_helper/_init.php b/classes/Recommender/debug/api/v1/_helper/_init.php
index 9dcc468..73f9ca2 100644
--- a/classes/Recommender/debug/api/v1/_helper/_init.php
+++ b/classes/Recommender/debug/api/v1/_helper/_init.php
@@ -24,6 +24,22 @@
 
 $random_recomander_id = $all_questions[rand(0, (count($all_questions) - 1))];
 
+$random_competences = $facade->settings()->getRecommenderSystemServerBuiltInDebugCompetences();
+if (!empty($random_competences)) {
+    $random_competences = array_map(function (array $skill_ids) : int {
+        return $skill_ids[rand(0, (count($skill_ids) - 1))];
+    }, array_reduce($random_competences, function (array $random_competences, array $competence) : array {
+        if (!isset($random_competences[$competence["competence_id"]])) {
+            $random_competences[$competence["competence_id"]] = [];
+        }
+        $random_competences[$competence["competence_id"]][] = $competence["skill_id"];
+
+        return $random_competences;
+    }, []));
+} else {
+    $random_competences = null;
+}
+
 try {
     $post = json_decode(file_get_contents("php://input"), true);
 } catch (Throwable $ex) {
diff --git a/classes/Recommender/debug/api/v1/answer.php b/classes/Recommender/debug/api/v1/answer.php
index 6cf062b..6932c42 100644
--- a/classes/Recommender/debug/api/v1/answer.php
+++ b/classes/Recommender/debug/api/v1/answer.php
@@ -13,11 +13,7 @@
     "progress"                 => 0.5,
     "progress_type"            => RecommenderResponse::MESSAGE_TYPE_QUESTION,
     "learning_progress_status" => RecommenderResponse::LEARNING_PROGRESS_STATUS_IN_PROGRESS,
-    "competences"              => [
-        11 => 12,
-        12 => 15,
-        13 => 18
-    ]
+    "competences"              => $random_competences
 ];
 
 require_once __DIR__ . "/_helper/_output.php";
diff --git a/classes/Recommender/debug/api/v1/rating.php b/classes/Recommender/debug/api/v1/rating.php
index 7b831e5..ec3c030 100644
--- a/classes/Recommender/debug/api/v1/rating.php
+++ b/classes/Recommender/debug/api/v1/rating.php
@@ -13,11 +13,7 @@
     "progress"                 => 1,
     "progress_type"            => RecommenderResponse::MESSAGE_TYPE_SUCCESS,
     "learning_progress_status" => RecommenderResponse::LEARNING_PROGRESS_STATUS_COMPLETED,
-    "competences"              => [
-        11 => 13,
-        12 => 16,
-        13 => 19
-    ]
+    "competences"              => $random_competences
 ];
 
 require_once __DIR__ . "/_helper/_output.php";
diff --git a/classes/Recommender/debug/api/v1/start.php b/classes/Recommender/debug/api/v1/start.php
index a431ed9..16539da 100644
--- a/classes/Recommender/debug/api/v1/start.php
+++ b/classes/Recommender/debug/api/v1/start.php
@@ -13,11 +13,7 @@
     "progress"                 => 0,
     "progress_type"            => RecommenderResponse::MESSAGE_TYPE_INFO,
     "learning_progress_status" => RecommenderResponse::LEARNING_PROGRESS_STATUS_NOT_ATTEMPTED,
-    "competences"              => [
-        11 => 11,
-        12 => 14,
-        13 => 17
-    ]
+    "competences"              => $random_competences
 ];
 
 require_once __DIR__ . "/_helper/_output.php";
diff --git a/classes/Settings/class.xdhtSettings.php b/classes/Settings/class.xdhtSettings.php
index f5ef961..e7c0fe4 100644
--- a/classes/Settings/class.xdhtSettings.php
+++ b/classes/Settings/class.xdhtSettings.php
@@ -88,6 +88,14 @@ class xdhtSettings extends ActiveRecord implements xdhtSettingsInterface
      * @db_is_notnull true
      */
     protected $recommender_system_server = self::RECOMMENDER_SYSTEM_SERVER_EXTERNAL;
+    /**
+     * @var array
+     *
+     * @db_has_field  true
+     * @db_fieldtype  text
+     * @db_is_notnull true
+     */
+    protected $rec_sys_ser_bui_in_deb_comp = [];
     /**
      * @var int
      *
@@ -117,6 +125,38 @@ public function getConnectorContainerName()
     }
 
 
+    /**
+     * @inheritDoc
+     */
+    public function sleep(/*string*/ $field_name)
+    {
+        $field_value = $this->{$field_name};
+
+        switch ($field_name) {
+            case "rec_sys_ser_bui_in_deb_comp":
+                return json_encode($field_value);
+
+            default:
+                return null;
+        }
+    }
+
+
+    /**
+     * @inheritDoc
+     */
+    public function wakeUp(/*string*/ $field_name, $field_value)
+    {
+        switch ($field_name) {
+            case "rec_sys_ser_bui_in_deb_comp":
+                return json_decode($field_value, true) ?? [];
+
+            default:
+                return null;
+        }
+    }
+
+
     /**
      * @return int
      */
@@ -283,6 +323,24 @@ public function setRecommenderSystemServer(int $recommender_system_server)/*:voi
     }
 
 
+    /**
+     * @inheritDoc
+     */
+    public function getRecommenderSystemServerBuiltInDebugCompetences() : array
+    {
+        return $this->rec_sys_ser_bui_in_deb_comp;
+    }
+
+
+    /**
+     * @inheritDoc
+     */
+    public function setRecommenderSystemServerBuiltInDebugCompetences(array $recommender_system_server_built_in_debug_competences)/*:void*/
+    {
+        $this->rec_sys_ser_bui_in_deb_comp = $recommender_system_server_built_in_debug_competences;
+    }
+
+
     /**
      * @inheritDoc
      */
diff --git a/classes/Settings/class.xdhtSettingsFormGUI.php b/classes/Settings/class.xdhtSettingsFormGUI.php
index daffe87..b42595c 100644
--- a/classes/Settings/class.xdhtSettingsFormGUI.php
+++ b/classes/Settings/class.xdhtSettingsFormGUI.php
@@ -1,5 +1,6 @@
 <?php
 
+use srag\CustomInputGUIs\DhbwTraining\MultiLineNewInputGUI\MultiLineNewInputGUI;
 use srag\DIC\DhbwTraining\DICTrait;
 use srag\Plugins\DhbwTraining\Config\Config;
 
@@ -102,6 +103,16 @@ public function initForm()
             $recommender_system_server_built_in_debug->setInfo(nl2br(str_replace("\\n", "\n", self::plugin()
                 ->translate("recommender_system_server_built_in_debug_info", "", ["[[question_id]]", "recomander_id", self::plugin()->directory() . "/classes/Recommender/debug/api/v1"])), false));
             $recommender_system_server->addOption($recommender_system_server_built_in_debug);
+            $recommender_system_server_built_in_debug_competences = new MultiLineNewInputGUI("competences", "recommender_system_server_built_in_debug_competences");
+            $recommender_system_server_built_in_debug_competences->setShowSort(false);
+            $recommender_system_server_built_in_debug_competences->setInfo(self::plugin()->translate("recommender_system_server_built_in_debug_competences_info", "", ["competence_id", "skill_id"]));
+            $recommender_system_server_built_in_debug_competences_competence_id = new ilNumberInputGUI("competence_id", "competence_id");
+            $recommender_system_server_built_in_debug_competences_competence_id->setRequired(true);
+            $recommender_system_server_built_in_debug_competences->addInput($recommender_system_server_built_in_debug_competences_competence_id);
+            $recommender_system_server_built_in_debug_competences_skill_id = new ilNumberInputGUI("skill_id", "skill_id");
+            $recommender_system_server_built_in_debug_competences_skill_id->setRequired(true);
+            $recommender_system_server_built_in_debug_competences->addInput($recommender_system_server_built_in_debug_competences_skill_id);
+            $recommender_system_server_built_in_debug->addSubItem($recommender_system_server_built_in_debug_competences);
         }
 
         $ti = new ilTextInputGUI(self::plugin()->translate("url"), 'url');
@@ -155,6 +166,7 @@ public function fillForm()
         $values['url'] = $this->facade->settings()->getUrl();
         $values['log'] = $this->facade->settings()->getLog();
         $values['recommender_system'] = $this->facade->settings()->getRecommenderSystemServer();
+        $values['recommender_system_server_built_in_debug_competences'] = $this->facade->settings()->getRecommenderSystemServerBuiltInDebugCompetences();
         if (Config::getField(Config::KEY_LEARNING_PROGRESS)) {
             $values['learning_progress'] = $this->facade->settings()->getLearningProgress();
         }
@@ -193,6 +205,7 @@ public function fillObject()
         $this->facade->settings()->setUrl($this->getInput('url'));
         $this->facade->settings()->setLog($this->getInput('log'));
         $this->facade->settings()->setRecommenderSystemServer(intval($this->getInput('recommender_system')));
+        $this->facade->settings()->setRecommenderSystemServerBuiltInDebugCompetences((array) $this->getInput('recommender_system_server_built_in_debug_competences'));
         if (Config::getField(Config::KEY_LEARNING_PROGRESS)) {
             $this->facade->settings()->setLearningProgress(intval($this->getInput('learning_progress')));
         }
diff --git a/lang/ilias_de.lang b/lang/ilias_de.lang
index 68f1abc..5708f87 100644
--- a/lang/ilias_de.lang
+++ b/lang/ilias_de.lang
@@ -78,4 +78,5 @@ config_configuration#:#Konfiguration
 config_configuration_saved#:#Konfiguration gespeichert
 config_save#:#Speichern
 config_salt#:#Salt
-config_salt_info#:#Wird für die Anonymisierung des Benutzers mit dem Recommender System verwendet
\ No newline at end of file
+config_salt_info#:#Wird für die Anonymisierung des Benutzers mit dem Recommender System verwendet
+recommender_system_server_built_in_debug_competences_info#:#Wenn mehrere gleiche %1$s, wird eine zufällige %2$s genommen
\ No newline at end of file
diff --git a/lang/ilias_en.lang b/lang/ilias_en.lang
index 039e34a..629ef06 100644
--- a/lang/ilias_en.lang
+++ b/lang/ilias_en.lang
@@ -78,4 +78,5 @@ config_configuration#:#Configuration
 config_configuration_saved#:#Configuration saved
 config_save#:#Save
 config_salt#:#Salt
-config_salt_info#:#Used to anonymize the user with the recommender system
\ No newline at end of file
+config_salt_info#:#Used to anonymize the user with the recommender system
+recommender_system_server_built_in_debug_competences_info#:#If multiple same %1$s, a random %2$s will be taken
\ No newline at end of file
diff --git a/sql/dbupdate.php b/sql/dbupdate.php
index 0183037..aa83af0 100644
--- a/sql/dbupdate.php
+++ b/sql/dbupdate.php
@@ -29,3 +29,7 @@
 \srag\Plugins\DhbwTraining\Config\Config::updateDB();
 \srag\Plugins\DhbwTraining\Config\Config::initDefaultSalt();
 ?>
+<#8>
+<?php
+\xdhtSettings::updateDB();
+?>