diff --git a/Admin/Activate.php b/Admin/Activate.php
index 566fc4c..425f53c 100644
--- a/Admin/Activate.php
+++ b/Admin/Activate.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.0
+ * PHP Version 7.1
  *
  * @category   TBD
  * @package    TBD
@@ -16,7 +16,7 @@
 namespace Modules\EventManagement\Admin;
 
 
-use phpOMS\DataStorage\Database\Pool;
+use phpOMS\DataStorage\Database\DatabasePool;
 use phpOMS\Module\ActivateAbstract;
 use phpOMS\Module\InfoManager;
 
@@ -37,7 +37,7 @@ class Activate extends ActivateAbstract
     /**
      * {@inheritdoc}
      */
-    public static function activate(Pool $dbPool, InfoManager $info)
+    public static function activate(DatabasePool $dbPool, InfoManager $info)
     {
         parent::activate($dbPool, $info);
     }
diff --git a/Admin/Deactivate.php b/Admin/Deactivate.php
index fa09063..bd117c8 100644
--- a/Admin/Deactivate.php
+++ b/Admin/Deactivate.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.0
+ * PHP Version 7.1
  *
  * @category   TBD
  * @package    TBD
@@ -16,7 +16,7 @@
 namespace Modules\EventManagement\Admin;
 
 
-use phpOMS\DataStorage\Database\Pool;
+use phpOMS\DataStorage\Database\DatabasePool;
 use phpOMS\Module\DeactivateAbstract;
 use phpOMS\Module\InfoManager;
 
@@ -37,7 +37,7 @@ class Deactivate extends DeactivateAbstract
     /**
      * {@inheritdoc}
      */
-    public static function deactivate(Pool $dbPool, InfoManager $info)
+    public static function deactivate(DatabasePool $dbPool, InfoManager $info)
     {
         parent::deactivate($dbPool, $info);
     }
diff --git a/Admin/Install/Navigation.php b/Admin/Install/Navigation.php
index 5ec7968..0cded35 100644
--- a/Admin/Install/Navigation.php
+++ b/Admin/Install/Navigation.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.0
+ * PHP Version 7.1
  *
  * @category   TBD
  * @package    TBD
@@ -14,7 +14,7 @@
  * @link       http://orange-management.com
  */
 namespace Modules\EventManagement\Admin\Install;
-use phpOMS\DataStorage\Database\Pool;
+use phpOMS\DataStorage\Database\DatabasePool;
 
 /**
  * Navigation class.
@@ -29,7 +29,7 @@ use phpOMS\DataStorage\Database\Pool;
  */
 class Navigation
 {
-    public static function install(Pool $dbPool)
+    public static function install(string $path, DatabasePool $dbPool)
     {
         $navData = json_decode(file_get_contents(__DIR__ . '/Navigation.install.json'), true);
 
diff --git a/Admin/Installer.php b/Admin/Installer.php
index 36968f8..12d03f4 100644
--- a/Admin/Installer.php
+++ b/Admin/Installer.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.0
+ * PHP Version 7.1
  *
  * @category   TBD
  * @package    TBD
@@ -16,7 +16,7 @@
 namespace Modules\EventManagement\Admin;
 
 use phpOMS\DataStorage\Database\DatabaseType;
-use phpOMS\DataStorage\Database\Pool;
+use phpOMS\DataStorage\Database\DatabasePool;
 use phpOMS\Module\InfoManager;
 use phpOMS\Module\InstallerAbstract;
 
@@ -37,32 +37,33 @@ class Installer extends InstallerAbstract
     /**
      * {@inheritdoc}
      */
-    public static function install(Pool $dbPool, InfoManager $info)
+    public static function install(string $path, DatabasePool $dbPool, InfoManager $info)
     {
-        parent::install($dbPool, $info);
+        parent::install($path, $dbPool, $info);
 
         switch ($dbPool->get('core')->getType()) {
             case DatabaseType::MYSQL:
                 $dbPool->get('core')->con->prepare(
                     'CREATE TABLE if NOT EXISTS `' . $dbPool->get('core')->prefix . 'eventmanagement_event` (
                             `eventmanagement_event_id` int(11) NOT NULL AUTO_INCREMENT,
+                            `eventmanagement_event_name` varchar(255) NOT NULL,
                             `eventmanagement_event_type` tinyint(2) NOT NULL,
-                            `eventmanagement_event_event` int(11) NOT NULL,
+                            `eventmanagement_event_calendar` int(11) NOT NULL,
                             `eventmanagement_event_costs` int(11) NOT NULL,
                             `eventmanagement_event_budget` int(11) NOT NULL,
                             `eventmanagement_event_earnings` int(11) NOT NULL,
                             `eventmanagement_event_created_by` int(11) NOT NULL,
                             `eventmanagement_event_created_at` datetime NOT NULL,
                             PRIMARY KEY (`eventmanagement_event_id`),
-                            KEY `eventmanagement_event_event` (`eventmanagement_event_event`),
+                            KEY `eventmanagement_event_calendar` (`eventmanagement_event_calendar`),
                             KEY `eventmanagement_event_created_by` (`eventmanagement_event_created_by`)
                         )ENGINE=InnoDB DEFAULT CHARSET=utf8 AUTO_INCREMENT=1;'
                 )->execute();
 
                 $dbPool->get('core')->con->prepare(
                     'ALTER TABLE `' . $dbPool->get('core')->prefix . 'eventmanagement_event`
-                            ADD CONSTRAINT `' . $dbPool->get('core')->prefix . 'eventmanagement_event_ibfk_1` FOREIGN KEY (`eventmanagement_event_event`) REFERENCES `' . $dbPool->get('core')->prefix . 'calendar_event` (`calendar_event_id`),
-                            ADD CONSTRAINT `' . $dbPool->get('core')->prefix . 'eventmanagement_event_ibfk_2` FOREIGN KEY (`eventmanagement_event_created_by`) REFERENCES `' . $dbPool->get('core')->prefix . 'account_id` (`calendar_event_created_by`);'
+                            ADD CONSTRAINT `' . $dbPool->get('core')->prefix . 'eventmanagement_event_ibfk_1` FOREIGN KEY (`eventmanagement_event_calendar`) REFERENCES `' . $dbPool->get('core')->prefix . 'calendar` (`calendar_id`),
+                            ADD CONSTRAINT `' . $dbPool->get('core')->prefix . 'eventmanagement_event_ibfk_2` FOREIGN KEY (`eventmanagement_event_created_by`) REFERENCES `' . $dbPool->get('core')->prefix . 'account` (`account_id`);'
                 )->execute();
 
                 $dbPool->get('core')->con->prepare(
diff --git a/Admin/Uninstall.php b/Admin/Uninstall.php
index b643bce..1344195 100644
--- a/Admin/Uninstall.php
+++ b/Admin/Uninstall.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.0
+ * PHP Version 7.1
  *
  * @category   TBD
  * @package    TBD
@@ -16,7 +16,7 @@
 namespace Modules\EventManagement\Admin;
 
 
-use phpOMS\DataStorage\Database\Pool;
+use phpOMS\DataStorage\Database\DatabasePool;
 use phpOMS\Module\UninstallAbstract;
 
 /**
@@ -36,7 +36,7 @@ class Uninstall extends UninstallAbstract
     /**
      * {@inheritdoc}
      */
-    public static function uninstall(Pool $dbPool, InfoManager $info)
+    public static function uninstall(DatabasePool $dbPool, InfoManager $info)
     {
         parent::uninstall($dbPool, $info);
     }
diff --git a/Admin/Update.php b/Admin/Update.php
index 69adba8..6bcf0e8 100644
--- a/Admin/Update.php
+++ b/Admin/Update.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.0
+ * PHP Version 7.1
  *
  * @category   TBD
  * @package    TBD
@@ -16,7 +16,7 @@
 namespace Modules\EventManagement\Admin;
 
 
-use phpOMS\DataStorage\Database\Pool;
+use phpOMS\DataStorage\Database\DatabasePool;
 use phpOMS\Module\UpdateAbstract;
 use phpOMS\System\File\Directory;
 
@@ -37,7 +37,7 @@ class Update extends UpdateAbstract
     /**
      * {@inheritdoc}
      */
-    public static function update(Pool $dbPool, array $info)
+    public static function update(DatabasePool $dbPool, array $info)
     {
         Directory::deletePath(__DIR__ . '/Update');
         mkdir('Update');
diff --git a/Controller.php b/Controller.php
index 603d995..4fd68d6 100644
--- a/Controller.php
+++ b/Controller.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.0
+ * PHP Version 7.1
  *
  * @category   TBD
  * @package    TBD
@@ -41,7 +41,7 @@ class Controller extends ModuleAbstract implements WebInterface
      * @var string
      * @since 1.0.0
      */
-    const MODULE_PATH = __DIR__;
+    /* public */ const MODULE_PATH = __DIR__;
 
     /**
      * Module version.
@@ -49,7 +49,7 @@ class Controller extends ModuleAbstract implements WebInterface
      * @var string
      * @since 1.0.0
      */
-    const MODULE_VERSION = '1.0.0';
+    /* public */ const MODULE_VERSION = '1.0.0';
 
     /**
      * Module name.
@@ -57,7 +57,7 @@ class Controller extends ModuleAbstract implements WebInterface
      * @var string
      * @since 1.0.0
      */
-    const MODULE_NAME = 'EventManagement';
+    /* public */ const MODULE_NAME = 'EventManagement';
 
     /**
      * Providing.
diff --git a/Models/Event.php b/Models/Event.php
index 8a0088c..8fe915c 100644
--- a/Models/Event.php
+++ b/Models/Event.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.0
+ * PHP Version 7.1
  *
  * @category   TBD
  * @package    TBD
@@ -15,7 +15,7 @@
  */
 namespace Modules\EventManagement\Models;
 
-use Modules\Calendar\Models\Event as CalendarEvent;
+use Modules\Calendar\Models\Calendar;
 use Modules\Tasks\Models\Task;
 use phpOMS\Datatypes\Exception\InvalidEnumValue;
 use phpOMS\Localization\Money;
@@ -44,7 +44,9 @@ class Event
 
     private $type = EventType::DEFAULT;
 
-    private $event = null;
+    private $name = '';
+
+    private $calendar = null;
 
     private $costs = null;
 
@@ -72,33 +74,33 @@ class Event
 
     public function __construct(string $name = '')
     {
-        $this->event = new CalendarEvent();
-        $this->costs = new Money();
-        $this->budget = new Money();
-        $this->earnings = new Money();
+        $this->calendar  = new Calendar();
+        $this->costs     = new Money();
+        $this->budget    = new Money();
+        $this->earnings  = new Money();
         $this->createdAt = new \DateTime('now');
 
         $this->setName($name);
     }
 
-    public function getEvent() : CalendarEvent
+    public function getCalendar() : Calendar
     {
-        return $this->event;
+        return $this->calendar;
     }
 
-    public function setName(string $name) 
+    public function setName(string $name)
     {
-        $this->event->setName($name);
+        $this->name = $name;
     }
 
     public function getName() : string
     {
-        return $this->event->getName();
+        return $this->name;
     }
 
     public function addTask(Task $task)
     {
-        if($task->getId() !== 0) {
+        if ($task->getId() !== 0) {
             $this->tasks[$task->getId()] = $task;
         } else {
             $this->tasks[] = $task;
@@ -107,7 +109,7 @@ class Event
 
     public function removeTask(int $id) : bool
     {
-        if(isset($this->tasks[$id])) {
+        if (isset($this->tasks[$id])) {
             unset($this->tasks[$id]);
 
             return true;
@@ -121,12 +123,12 @@ class Event
         return $this->tasks[$id] ?? new Task();
     }
 
-    public function getTasks() : array 
+    public function getTasks() : array
     {
         return $this->tasks;
     }
 
-    public function countTasks() : int 
+    public function countTasks() : int
     {
         return count($this->tasks);
     }
@@ -138,7 +140,7 @@ class Event
 
     public function setType(int $type)
     {
-        if(!EventType::isValidValue($type)) {
+        if (!EventType::isValidValue($type)) {
             throw new InvalidEnumValue($type);
         }
 
@@ -150,32 +152,32 @@ class Event
         return $this->type;
     }
 
-    public function getCosts() : Money 
+    public function getCosts() : Money
     {
         return $this->costs;
     }
 
-    public function getBudget() : Money 
+    public function getBudget() : Money
     {
         return $this->budget;
     }
 
-    public function getEarnings() : Money 
+    public function getEarnings() : Money
     {
         return $this->earnings;
     }
 
-    public function setCosts(Money $costs) 
+    public function setCosts(Money $costs)
     {
         $this->costs = $costs;
     }
 
-    public function setBudget(Money $budget) 
+    public function setBudget(Money $budget)
     {
         $this->budget = $budget;
     }
 
-    public function setEarnings(Money $earnings) 
+    public function setEarnings(Money $earnings)
     {
         $this->earnings = $earnings;
     }
@@ -200,7 +202,7 @@ class Event
     public function setCreatedAt(\DateTime $createdAt)
     {
         $this->createdAt = $createdAt;
-        $this->event->setCreatedAt($this->createdAt);
+        $this->calendar->setCreatedAt($this->createdAt);
     }
 
     /**
@@ -223,6 +225,6 @@ class Event
     public function setCreatedBy(int $createdBy)
     {
         $this->createdBy = $createdBy;
-        $this->event->setCreatedBy($this->createdBy);
+        $this->calendar->setCreatedBy($this->createdBy);
     }
 }
diff --git a/Models/EventMapper.php b/Models/EventMapper.php
index 9dffee1..18c552a 100644
--- a/Models/EventMapper.php
+++ b/Models/EventMapper.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.0
+ * PHP Version 7.1
  *
  * @category   TBD
  * @package    TBD
@@ -37,37 +37,38 @@ class EventMapper extends DataMapperAbstract
     /**
      * Columns.
      *
-     * @var array<string, array>
+     * @var array
      * @since 1.0.0
      */
     protected static $columns = [
-        'eventmanagement_event_id'          => ['name' => 'eventmanagement_event_id', 'type' => 'int', 'internal' => 'id'],
-        'eventmanagement_event_type'          => ['name' => 'eventmanagement_event_type', 'type' => 'int', 'internal' => 'type'],
-        'eventmanagement_event_event'          => ['name' => 'eventmanagement_event_event', 'type' => 'int', 'internal' => 'event'],
-        'eventmanagement_event_costs'          => ['name' => 'eventmanagement_event_costs', 'type' => 'Serializable', 'internal' => 'costs'],
-        'eventmanagement_event_budget'          => ['name' => 'eventmanagement_event_budget', 'type' => 'Serializable', 'internal' => 'budget'],
-        'eventmanagement_event_earnings'          => ['name' => 'eventmanagement_event_earnings', 'type' => 'Serializable', 'internal' => 'earnings'],
-        'eventmanagement_event_created_by'          => ['name' => 'eventmanagement_event_created_by', 'type' => 'int', 'internal' => 'createdBy'],
-        'eventmanagement_event_created_at'          => ['name' => 'eventmanagement_event_created_at', 'type' => 'DateTime', 'internal' => 'createdAt'],
+        'eventmanagement_event_id'         => ['name' => 'eventmanagement_event_id', 'type' => 'int', 'internal' => 'id'],
+        'eventmanagement_event_name'       => ['name' => 'eventmanagement_event_name', 'type' => 'string', 'internal' => 'name'],
+        'eventmanagement_event_type'       => ['name' => 'eventmanagement_event_type', 'type' => 'int', 'internal' => 'type'],
+        'eventmanagement_event_calendar'   => ['name' => 'eventmanagement_event_calendar', 'type' => 'int', 'internal' => 'calendar'],
+        'eventmanagement_event_costs'      => ['name' => 'eventmanagement_event_costs', 'type' => 'Serializable', 'internal' => 'costs'],
+        'eventmanagement_event_budget'     => ['name' => 'eventmanagement_event_budget', 'type' => 'Serializable', 'internal' => 'budget'],
+        'eventmanagement_event_earnings'   => ['name' => 'eventmanagement_event_earnings', 'type' => 'Serializable', 'internal' => 'earnings'],
+        'eventmanagement_event_created_by' => ['name' => 'eventmanagement_event_created_by', 'type' => 'int', 'internal' => 'createdBy'],
+        'eventmanagement_event_created_at' => ['name' => 'eventmanagement_event_created_at', 'type' => 'DateTime', 'internal' => 'createdAt'],
     ];
 
     /**
      * Has one relation.
      *
-     * @var array<string, array>
+     * @var array
      * @since 1.0.0
      */
-    protected static $hasOne = [
-        'event' => [
-            'mapper' => \Modules\Calendar\Models\EventMapper::class,
-            'src'    => 'eventmanagement_event_event',
+    protected static $ownsOne = [
+        'calendar' => [
+            'mapper' => \Modules\Calendar\Models\CalendarMapper::class,
+            'src'    => 'eventmanagement_event_calendar',
         ],
     ];
 
     /**
      * Has many relation.
      *
-     * @var array<string, array>
+     * @var array
      * @since 1.0.0
      */
     protected static $hasMany = [
@@ -153,9 +154,9 @@ class EventMapper extends DataMapperAbstract
     public static function find(...$columns) : Builder
     {
         return parent::find(...$columns)->from('account_permission')
-                     ->where('account_permission.account_permission_for', '=', 'calendar_event')
-                     ->where('account_permission.account_permission_id1', '=', 1)
-                     ->where('calendar_event.calendar_event_id', '=', new Column('account_permission.account_permission_id2'))
-                     ->where('account_permission.account_permission_r', '=', 1);
+            ->where('account_permission.account_permission_for', '=', 'calendar_event')
+            ->where('account_permission.account_permission_id1', '=', 1)
+            ->where('calendar_event.calendar_event_id', '=', new Column('account_permission.account_permission_id2'))
+            ->where('account_permission.account_permission_r', '=', 1);
     }
 }
diff --git a/Models/EventType.php b/Models/EventType.php
index 787ea76..34433f9 100644
--- a/Models/EventType.php
+++ b/Models/EventType.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.0
+ * PHP Version 7.1
  *
  * @category   TBD
  * @package    TBD
@@ -30,27 +30,27 @@ use phpOMS\Datatypes\Enum;
  */
 abstract class EventType extends Enum
 {
-    const DEFAULT = 0;
+    /* public */ const DEFAULT = 0;
 
-    const COURSE = 1;
+    /* public */ const COURSE = 1;
 
-    const EVENT = 2;
+    /* public */ const EVENT = 2;
 
-    const FAIR = 3;
+    /* public */ const FAIR = 3;
 
-    const CONGRESS = 4;
+    /* public */ const CONGRESS = 4;
 
-    const DEMO = 5;
+    /* public */ const DEMO = 5;
 
-    const CONFERENCE = 6;
+    /* public */ const CONFERENCE = 6;
 
-    const SEMINAR = 7;
+    /* public */ const SEMINAR = 7;
 
-    const MEETING = 8;
+    /* public */ const MEETING = 8;
 
-    const TRADESHOW = 9;
+    /* public */ const TRADESHOW = 9;
 
-    const LAUNCH = 10;
+    /* public */ const LAUNCH = 10;
 
-    const CELEBRATION = 11;
+    /* public */ const CELEBRATION = 11;
 }
diff --git a/Theme/Backend/eventmanagement-create.tpl.php b/Theme/Backend/eventmanagement-create.tpl.php
index 2029ee9..42ba21b 100644
--- a/Theme/Backend/eventmanagement-create.tpl.php
+++ b/Theme/Backend/eventmanagement-create.tpl.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.0
+ * PHP Version 7.1
  *
  * @category   TBD
  * @package    TBD
diff --git a/Theme/Backend/eventmanagement-list.tpl.php b/Theme/Backend/eventmanagement-list.tpl.php
index 03d071b..4b56f8a 100644
--- a/Theme/Backend/eventmanagement-list.tpl.php
+++ b/Theme/Backend/eventmanagement-list.tpl.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.0
+ * PHP Version 7.1
  *
  * @category   TBD
  * @package    TBD
diff --git a/Theme/backend/Lang/Navigation.en.lang.php b/Theme/backend/Lang/Navigation.en.lang.php
index 7396b10..b24958f 100644
--- a/Theme/backend/Lang/Navigation.en.lang.php
+++ b/Theme/backend/Lang/Navigation.en.lang.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.0
+ * PHP Version 7.1
  *
  * @category   TBD
  * @package    TBD
diff --git a/Theme/backend/Lang/api.en.lang.php b/Theme/backend/Lang/api.en.lang.php
index 4f9f946..afe845f 100644
--- a/Theme/backend/Lang/api.en.lang.php
+++ b/Theme/backend/Lang/api.en.lang.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.0
+ * PHP Version 7.1
  *
  * @category   TBD
  * @package    TBD
diff --git a/Theme/backend/Lang/en.lang.php b/Theme/backend/Lang/en.lang.php
index 64facff..c74926b 100644
--- a/Theme/backend/Lang/en.lang.php
+++ b/Theme/backend/Lang/en.lang.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.0
+ * PHP Version 7.1
  *
  * @category   TBD
  * @package    TBD
diff --git a/Theme/backend/eventmanagement-create.tpl.php b/Theme/backend/eventmanagement-create.tpl.php
index 2029ee9..42ba21b 100644
--- a/Theme/backend/eventmanagement-create.tpl.php
+++ b/Theme/backend/eventmanagement-create.tpl.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.0
+ * PHP Version 7.1
  *
  * @category   TBD
  * @package    TBD
diff --git a/Theme/backend/eventmanagement-list.tpl.php b/Theme/backend/eventmanagement-list.tpl.php
index 03d071b..4b56f8a 100644
--- a/Theme/backend/eventmanagement-list.tpl.php
+++ b/Theme/backend/eventmanagement-list.tpl.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.0
+ * PHP Version 7.1
  *
  * @category   TBD
  * @package    TBD
diff --git a/Theme/backend/eventmanagement-profile.tpl.php b/Theme/backend/eventmanagement-profile.tpl.php
index b4092da..01c1a1e 100644
--- a/Theme/backend/eventmanagement-profile.tpl.php
+++ b/Theme/backend/eventmanagement-profile.tpl.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.0
+ * PHP Version 7.1
  *
  * @category   TBD
  * @package    TBD