diff --git a/Admin/Routes/Web/Api.php b/Admin/Routes/Web/Api.php
index 46e91dd..1c28373 100644
--- a/Admin/Routes/Web/Api.php
+++ b/Admin/Routes/Web/Api.php
@@ -1,31 +1,31 @@
-<?php
-
-use Modules\Exchange\Controller\ApiController;
-use Modules\Exchange\Models\PermissionState;
-use phpOMS\Account\PermissionType;
-use phpOMS\Router\RouteVerb;
-
-return [
-    '^.*/admin/exchange/import/profile.*$' => [
-        [
-            'dest' => '\Modules\Exchange\Controller\ApiController:apiExchangeImport',
-            'verb' => RouteVerb::SET,
-            'permission' => [
-                'module' => ApiController::MODULE_NAME,
-                'type'  => PermissionType::CREATE,
-                'state' => PermissionState::IMPORT,
-            ],
-        ],
-    ],
-    '^.*/admin/exchange/export/profile.*$' => [
-        [
-            'dest' => '\Modules\Exchange\Controller\ApiController:apiExchangeExport',
-            'verb' => RouteVerb::SET,
-            'permission' => [
-                'module' => ApiController::MODULE_NAME,
-                'type'  => PermissionType::CREATE,
-                'state' => PermissionState::EXPORT,
-            ],
-        ],
-    ],
-];
+<?php declare(strict_types=1);
+
+use Modules\Exchange\Controller\ApiController;
+use Modules\Exchange\Models\PermissionState;
+use phpOMS\Account\PermissionType;
+use phpOMS\Router\RouteVerb;
+
+return [
+    '^.*/admin/exchange/import/profile.*$' => [
+        [
+            'dest' => '\Modules\Exchange\Controller\ApiController:apiExchangeImport',
+            'verb' => RouteVerb::SET,
+            'permission' => [
+                'module' => ApiController::MODULE_NAME,
+                'type'  => PermissionType::CREATE,
+                'state' => PermissionState::IMPORT,
+            ],
+        ],
+    ],
+    '^.*/admin/exchange/export/profile.*$' => [
+        [
+            'dest' => '\Modules\Exchange\Controller\ApiController:apiExchangeExport',
+            'verb' => RouteVerb::SET,
+            'permission' => [
+                'module' => ApiController::MODULE_NAME,
+                'type'  => PermissionType::CREATE,
+                'state' => PermissionState::EXPORT,
+            ],
+        ],
+    ],
+];
diff --git a/Admin/Routes/Web/Backend.php b/Admin/Routes/Web/Backend.php
index 0a14e9f..26a150b 100644
--- a/Admin/Routes/Web/Backend.php
+++ b/Admin/Routes/Web/Backend.php
@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 
 use Modules\Exchange\Controller\BackendController;
 use Modules\Exchange\Models\PermissionState;
diff --git a/Controller/ApiController.php b/Controller/ApiController.php
index b6966a4..e12e7e3 100644
--- a/Controller/ApiController.php
+++ b/Controller/ApiController.php
@@ -58,7 +58,7 @@ final class ApiController extends Controller
         $response->set($request->getUri()->__toString(), [
             'status' => $status,
             'title' => 'Exchange',
-            'message' => $message
+            'message' => $message,
         ]);
     }
 
diff --git a/Interfaces/GSD/Model/GSDCostCenterMapper.php b/Interfaces/GSD/Model/GSDCostCenterMapper.php
index 49fa710..3fe12eb 100644
--- a/Interfaces/GSD/Model/GSDCostCenterMapper.php
+++ b/Interfaces/GSD/Model/GSDCostCenterMapper.php
@@ -1,67 +1,67 @@
-<?php
-/**
- * Orange Management
- *
- * PHP Version 7.2
- *
- * @package    Modules\Exchange\Interfaces\GSD\Model
- * @copyright  Dennis Eichhorn
- * @license    OMS License 1.0
- * @version    1.0.0
- * @link       http://website.orange-management.de
- */
-declare(strict_types=1);
-
-namespace Modules\Exchange\Interfaces\GSD\Model;
-
-use phpOMS\DataStorage\Database\DataMapperAbstract;
-
-/**
- * Mapper class.
- *
- * @package    Modules\Exchange\Interfaces\GSD\Model
- * @license    OMS License 1.0
- * @link       http://website.orange-management.de
- * @since      1.0.0
- */
-final class GSDCostCenterMapper extends DataMapperAbstract
-{
-
-    /**
-     * Columns.
-     *
-     * @var array<string, array<string, bool|string>>
-     * @since 1.0.0
-     */
-    protected static $columns = [
-        'ROW_ID'          => ['name' => 'ROW_ID', 'type' => 'int', 'internal' => 'id'],
-        'row_create_time' => ['name' => 'row_create_time', 'type' => 'DateTime', 'internal' => 'createdAt'],
-        'row_create_user' => ['name' => 'row_create_user', 'type' => 'int', 'internal' => 'createdBy'],
-        'KST'             => ['name' => 'KST', 'type' => 'string', 'internal' => 'costcenter'],
-        'Bezeichnung'     => ['name' => 'Bezeichnung', 'type' => 'string', 'internal' => 'description'],
-    ];
-
-    /**
-     * Primary table.
-     *
-     * @var string
-     * @since 1.0.0
-     */
-    protected static $table = 'FiKostenstellen';
-
-    /**
-     * Created at.
-     *
-     * @var string
-     * @since 1.0.0
-     */
-    protected static $createdAt = 'row_create_time';
-
-    /**
-     * Primary field name.
-     *
-     * @var string
-     * @since 1.0.0
-     */
-    protected static $primaryField = 'ROW_ID';
-}
+<?php
+/**
+ * Orange Management
+ *
+ * PHP Version 7.2
+ *
+ * @package    Modules\Exchange\Interfaces\GSD\Model
+ * @copyright  Dennis Eichhorn
+ * @license    OMS License 1.0
+ * @version    1.0.0
+ * @link       http://website.orange-management.de
+ */
+declare(strict_types=1);
+
+namespace Modules\Exchange\Interfaces\GSD\Model;
+
+use phpOMS\DataStorage\Database\DataMapperAbstract;
+
+/**
+ * Mapper class.
+ *
+ * @package    Modules\Exchange\Interfaces\GSD\Model
+ * @license    OMS License 1.0
+ * @link       http://website.orange-management.de
+ * @since      1.0.0
+ */
+final class GSDCostCenterMapper extends DataMapperAbstract
+{
+
+    /**
+     * Columns.
+     *
+     * @var array<string, array<string, bool|string>>
+     * @since 1.0.0
+     */
+    protected static $columns = [
+        'ROW_ID'          => ['name' => 'ROW_ID', 'type' => 'int', 'internal' => 'id'],
+        'row_create_time' => ['name' => 'row_create_time', 'type' => 'DateTime', 'internal' => 'createdAt'],
+        'row_create_user' => ['name' => 'row_create_user', 'type' => 'int', 'internal' => 'createdBy'],
+        'KST'             => ['name' => 'KST', 'type' => 'string', 'internal' => 'costcenter'],
+        'Bezeichnung'     => ['name' => 'Bezeichnung', 'type' => 'string', 'internal' => 'description'],
+    ];
+
+    /**
+     * Primary table.
+     *
+     * @var string
+     * @since 1.0.0
+     */
+    protected static $table = 'FiKostenstellen';
+
+    /**
+     * Created at.
+     *
+     * @var string
+     * @since 1.0.0
+     */
+    protected static $createdAt = 'row_create_time';
+
+    /**
+     * Primary field name.
+     *
+     * @var string
+     * @since 1.0.0
+     */
+    protected static $primaryField = 'ROW_ID';
+}
diff --git a/Interfaces/GSD/Model/GSDCostObjectMapper.php b/Interfaces/GSD/Model/GSDCostObjectMapper.php
index 6cd4db4..e25b1eb 100644
--- a/Interfaces/GSD/Model/GSDCostObjectMapper.php
+++ b/Interfaces/GSD/Model/GSDCostObjectMapper.php
@@ -1,67 +1,67 @@
-<?php
-/**
- * Orange Management
- *
- * PHP Version 7.2
- *
- * @package    Modules\Exchange\Interfaces\GSD\Model
- * @copyright  Dennis Eichhorn
- * @license    OMS License 1.0
- * @version    1.0.0
- * @link       http://website.orange-management.de
- */
-declare(strict_types=1);
-
-namespace Modules\Exchange\Interfaces\GSD\Model;
-
-use phpOMS\DataStorage\Database\DataMapperAbstract;
-
-/**
- * Mapper class.
- *
- * @package    Modules\Exchange\Interfaces\GSD\Model
- * @license    OMS License 1.0
- * @link       http://website.orange-management.de
- * @since      1.0.0
- */
-final class GSDCostObjectMapper extends DataMapperAbstract
-{
-
-    /**
-     * Columns.
-     *
-     * @var array<string, array<string, bool|string>>
-     * @since 1.0.0
-     */
-    protected static $columns = [
-        'ROW_ID'          => ['name' => 'ROW_ID', 'type' => 'int', 'internal' => 'id'],
-        'row_create_time' => ['name' => 'row_create_time', 'type' => 'DateTime', 'internal' => 'createdAt'],
-        'row_create_user' => ['name' => 'row_create_user', 'type' => 'int', 'internal' => 'createdBy'],
-        'KTR'             => ['name' => 'KTR', 'type' => 'string', 'internal' => 'costobject'],
-        'Bezeichnung'     => ['name' => 'Bezeichnung', 'type' => 'string', 'internal' => 'description'],
-    ];
-
-    /**
-     * Primary table.
-     *
-     * @var string
-     * @since 1.0.0
-     */
-    protected static $table = 'FiKostentraeger';
-
-    /**
-     * Created at.
-     *
-     * @var string
-     * @since 1.0.0
-     */
-    protected static $createdAt = 'row_create_time';
-
-    /**
-     * Primary field name.
-     *
-     * @var string
-     * @since 1.0.0
-     */
-    protected static $primaryField = 'ROW_ID';
-}
+<?php
+/**
+ * Orange Management
+ *
+ * PHP Version 7.2
+ *
+ * @package    Modules\Exchange\Interfaces\GSD\Model
+ * @copyright  Dennis Eichhorn
+ * @license    OMS License 1.0
+ * @version    1.0.0
+ * @link       http://website.orange-management.de
+ */
+declare(strict_types=1);
+
+namespace Modules\Exchange\Interfaces\GSD\Model;
+
+use phpOMS\DataStorage\Database\DataMapperAbstract;
+
+/**
+ * Mapper class.
+ *
+ * @package    Modules\Exchange\Interfaces\GSD\Model
+ * @license    OMS License 1.0
+ * @link       http://website.orange-management.de
+ * @since      1.0.0
+ */
+final class GSDCostObjectMapper extends DataMapperAbstract
+{
+
+    /**
+     * Columns.
+     *
+     * @var array<string, array<string, bool|string>>
+     * @since 1.0.0
+     */
+    protected static $columns = [
+        'ROW_ID'          => ['name' => 'ROW_ID', 'type' => 'int', 'internal' => 'id'],
+        'row_create_time' => ['name' => 'row_create_time', 'type' => 'DateTime', 'internal' => 'createdAt'],
+        'row_create_user' => ['name' => 'row_create_user', 'type' => 'int', 'internal' => 'createdBy'],
+        'KTR'             => ['name' => 'KTR', 'type' => 'string', 'internal' => 'costobject'],
+        'Bezeichnung'     => ['name' => 'Bezeichnung', 'type' => 'string', 'internal' => 'description'],
+    ];
+
+    /**
+     * Primary table.
+     *
+     * @var string
+     * @since 1.0.0
+     */
+    protected static $table = 'FiKostentraeger';
+
+    /**
+     * Created at.
+     *
+     * @var string
+     * @since 1.0.0
+     */
+    protected static $createdAt = 'row_create_time';
+
+    /**
+     * Primary field name.
+     *
+     * @var string
+     * @since 1.0.0
+     */
+    protected static $primaryField = 'ROW_ID';
+}
diff --git a/Interfaces/GSD/en.lang.php b/Interfaces/GSD/en.lang.php
index 381a57a..1f04288 100644
--- a/Interfaces/GSD/en.lang.php
+++ b/Interfaces/GSD/en.lang.php
@@ -1,22 +1,22 @@
-<?php
-/**
- * Orange Management
- *
- * PHP Version 7.2
- *
- * @package    TBD
- * @copyright  Dennis Eichhorn
- * @license    OMS License 1.0
- * @version    1.0.0
- * @link       http://website.orange-management.de
- */
-return [
-    'Accounts' => 'Accounts',
-    'Articles' => 'Articles',
-    'CostCenters' => 'Cost Centers',
-    'CostObjects' => 'Cost Objects',
-    'Customers' => 'Customers',
-    'Invoices' => 'Invoices',
-    'Options' => 'Options',
-    'Suppliers' => 'Suppliers',
-];
+<?php declare(strict_types=1);
+/**
+ * Orange Management
+ *
+ * PHP Version 7.2
+ *
+ * @package    TBD
+ * @copyright  Dennis Eichhorn
+ * @license    OMS License 1.0
+ * @version    1.0.0
+ * @link       http://website.orange-management.de
+ */
+return [
+    'Accounts' => 'Accounts',
+    'Articles' => 'Articles',
+    'CostCenters' => 'Cost Centers',
+    'CostObjects' => 'Cost Objects',
+    'Customers' => 'Customers',
+    'Invoices' => 'Invoices',
+    'Options' => 'Options',
+    'Suppliers' => 'Suppliers',
+];
diff --git a/Models/InterfaceManager.php b/Models/InterfaceManager.php
index c9589da..8bc7056 100644
--- a/Models/InterfaceManager.php
+++ b/Models/InterfaceManager.php
@@ -1,206 +1,206 @@
-<?php
-/**
- * Orange Management
- *
- * PHP Version 7.2
- *
- * @package    phpOMS\Module
- * @copyright  Dennis Eichhorn
- * @license    OMS License 1.0
- * @version    1.0.0
- * @link       http://website.orange-management.de
- */
-declare(strict_types=1);
-
-namespace Modules\Exchange\Models;
-
-use phpOMS\System\File\PathException;
-use phpOMS\Utils\ArrayUtils;
-
-/**
- * InfoManager class.
- *
- * Handling the info files for modules
- *
- * @package    phpOMS\Module
- * @license    OMS License 1.0
- * @link       http://website.orange-management.de
- * @since      1.0.0
- */
-class InterfaceManager
-{
-    /**
-     * Interface ID.
-     *
-     * @var int
-     * @since 1.0.0
-     */
-    private $id = 0;
-
-    /**
-     * File path.
-     *
-     * @var string
-     * @since 1.0.0
-     */
-    private $path = '';
-
-    /**
-     * Info data.
-     *
-     * @var array<string, mixed>
-     * @since 1.0.0
-     */
-    private $info = [];
-
-    /**
-     * Object constructor.
-     *
-     * @param string $path Info file path
-     *
-     * @since  1.0.0
-     */
-    public function __construct(string $path = '')
-    {
-        $this->path = $path;
-    }
-
-    /**
-     * Get id
-     *
-     * @return int
-     *
-     * @since  1.0.0
-     */
-    public function getId() : int
-    {
-        return $this->id;
-    }
-
-    /**
-     * Get info path
-     *
-     * @return string
-     *
-     * @since  1.0.0
-     */
-    public function getPath() : string
-    {
-        return $this->path;
-    }
-
-    /**
-     * Get info path
-     *
-     * @return string
-     *
-     * @since  1.0.0
-     */
-    public function getInterfacePath() : string
-    {
-        return $this->info['path'];
-    }
-
-    /**
-     * Get info name
-     *
-     * @return string
-     *
-     * @since  1.0.0
-     */
-    public function getName() : string
-    {
-        return $this->info['name'];
-    }
-
-    /**
-     * Provides import interface
-     *
-     * @return bool
-     *
-     * @since  1.0.0
-     */
-    public function hasImport() : bool
-    {
-        return $this->info['import'];
-    }
-
-    /**
-     * Provides export interface
-     *
-     * @return bool
-     *
-     * @since  1.0.0
-     */
-    public function hasExport() : bool
-    {
-        return $this->info['export'];
-    }
-
-    /**
-     * Load info data from path.
-     *
-     * @return void
-     *
-     * @throws PathException This exception is thrown in case the info file path doesn't exist.
-     *
-     * @since  1.0.0
-     */
-    public function load() : void
-    {
-        if (!\file_exists($this->path)) {
-            throw new PathException($this->path);
-        }
-
-        $content    = \file_get_contents($this->path);
-        $this->info = \json_decode($content !== false ? $content : '[]', true);
-    }
-
-    /**
-     * Update info file
-     *
-     * @return void
-     *
-     * @since  1.0.0
-     */
-    public function update() : void
-    {
-        if (!\file_exists($this->path)) {
-            throw new PathException($this->path);
-        }
-
-        \file_put_contents($this->path, \json_encode($this->info, JSON_PRETTY_PRINT));
-    }
-
-    /**
-     * Set data
-     *
-     * @param string $path  Value path
-     * @param mixed  $data  Scalar or array of data to set
-     * @param string $delim Delimiter of path
-     *
-     * @return void
-     *
-     * @since  1.0.0
-     */
-    public function set(string $path, $data, string $delim = '/') : void
-    {
-        if (!\is_scalar($data) && !\is_array($data) && !($data instanceof \JsonSerializable)) {
-            throw new \InvalidArgumentException('Type of $data "' . \gettype($data) . '" is not supported.');
-        }
-
-        ArrayUtils::setArray($path, $this->info, $data, $delim, true);
-    }
-
-    /**
-     * Get info data.
-     *
-     * @return array<string, mixed>
-     *
-     * @since  1.0.0
-     */
-    public function get() : array
-    {
-        return $this->info;
-    }
-}
+<?php
+/**
+ * Orange Management
+ *
+ * PHP Version 7.2
+ *
+ * @package    phpOMS\Module
+ * @copyright  Dennis Eichhorn
+ * @license    OMS License 1.0
+ * @version    1.0.0
+ * @link       http://website.orange-management.de
+ */
+declare(strict_types=1);
+
+namespace Modules\Exchange\Models;
+
+use phpOMS\System\File\PathException;
+use phpOMS\Utils\ArrayUtils;
+
+/**
+ * InfoManager class.
+ *
+ * Handling the info files for modules
+ *
+ * @package    phpOMS\Module
+ * @license    OMS License 1.0
+ * @link       http://website.orange-management.de
+ * @since      1.0.0
+ */
+class InterfaceManager
+{
+    /**
+     * Interface ID.
+     *
+     * @var int
+     * @since 1.0.0
+     */
+    private $id = 0;
+
+    /**
+     * File path.
+     *
+     * @var string
+     * @since 1.0.0
+     */
+    private $path = '';
+
+    /**
+     * Info data.
+     *
+     * @var array<string, mixed>
+     * @since 1.0.0
+     */
+    private $info = [];
+
+    /**
+     * Object constructor.
+     *
+     * @param string $path Info file path
+     *
+     * @since  1.0.0
+     */
+    public function __construct(string $path = '')
+    {
+        $this->path = $path;
+    }
+
+    /**
+     * Get id
+     *
+     * @return int
+     *
+     * @since  1.0.0
+     */
+    public function getId() : int
+    {
+        return $this->id;
+    }
+
+    /**
+     * Get info path
+     *
+     * @return string
+     *
+     * @since  1.0.0
+     */
+    public function getPath() : string
+    {
+        return $this->path;
+    }
+
+    /**
+     * Get info path
+     *
+     * @return string
+     *
+     * @since  1.0.0
+     */
+    public function getInterfacePath() : string
+    {
+        return $this->info['path'];
+    }
+
+    /**
+     * Get info name
+     *
+     * @return string
+     *
+     * @since  1.0.0
+     */
+    public function getName() : string
+    {
+        return $this->info['name'];
+    }
+
+    /**
+     * Provides import interface
+     *
+     * @return bool
+     *
+     * @since  1.0.0
+     */
+    public function hasImport() : bool
+    {
+        return $this->info['import'];
+    }
+
+    /**
+     * Provides export interface
+     *
+     * @return bool
+     *
+     * @since  1.0.0
+     */
+    public function hasExport() : bool
+    {
+        return $this->info['export'];
+    }
+
+    /**
+     * Load info data from path.
+     *
+     * @return void
+     *
+     * @throws PathException this exception is thrown in case the info file path doesn't exist
+     *
+     * @since  1.0.0
+     */
+    public function load() : void
+    {
+        if (!\file_exists($this->path)) {
+            throw new PathException($this->path);
+        }
+
+        $content    = \file_get_contents($this->path);
+        $this->info = \json_decode($content !== false ? $content : '[]', true);
+    }
+
+    /**
+     * Update info file
+     *
+     * @return void
+     *
+     * @since  1.0.0
+     */
+    public function update() : void
+    {
+        if (!\file_exists($this->path)) {
+            throw new PathException($this->path);
+        }
+
+        \file_put_contents($this->path, \json_encode($this->info, \JSON_PRETTY_PRINT));
+    }
+
+    /**
+     * Set data
+     *
+     * @param string $path  Value path
+     * @param mixed  $data  Scalar or array of data to set
+     * @param string $delim Delimiter of path
+     *
+     * @return void
+     *
+     * @since  1.0.0
+     */
+    public function set(string $path, $data, string $delim = '/') : void
+    {
+        if (!\is_scalar($data) && !\is_array($data) && !($data instanceof \JsonSerializable)) {
+            throw new \InvalidArgumentException('Type of $data "' . \gettype($data) . '" is not supported.');
+        }
+
+        ArrayUtils::setArray($path, $this->info, $data, $delim, true);
+    }
+
+    /**
+     * Get info data.
+     *
+     * @return array<string, mixed>
+     *
+     * @since  1.0.0
+     */
+    public function get() : array
+    {
+        return $this->info;
+    }
+}
diff --git a/Models/InterfaceManagerMapper.php b/Models/InterfaceManagerMapper.php
index 5d130fa..655bb96 100644
--- a/Models/InterfaceManagerMapper.php
+++ b/Models/InterfaceManagerMapper.php
@@ -1,61 +1,61 @@
-<?php
-/**
- * Orange Management
- *
- * PHP Version 7.2
- *
- * @package    Modules\Exchange
- * @copyright  Dennis Eichhorn
- * @license    OMS License 1.0
- * @version    1.0.0
- * @link       http://website.orange-management.de
- */
-declare(strict_types=1);
-
-namespace Modules\Exchange\Models;
-
-use phpOMS\DataStorage\Database\DataMapperAbstract;
-
-/**
- * Mapper class.
- *
- * @package    Modules\Exchange
- * @license    OMS License 1.0
- * @link       http://website.orange-management.de
- * @since      1.0.0
- */
-final class InterfaceManagerMapper extends DataMapperAbstract
-{
-
-    /**
-     * Columns.
-     *
-     * @var array<string, array<string, bool|string>>
-     * @since 1.0.0
-     */
-    protected static $columns = [
-        'exchange_id'      => ['name' => 'exchange_id', 'type' => 'int', 'internal' => 'id'],
-        'exchange_title'   => ['name' => 'exchange_title', 'type' => 'string', 'internal' => 'info/name'],
-        'exchange_path'    => ['name' => 'exchange_path', 'type' => 'string', 'internal' => 'info/path'],
-        'exchange_version' => ['name' => 'exchange_version', 'type' => 'string', 'internal' => 'info/version'],
-        'exchange_export'  => ['name' => 'exchange_export', 'type' => 'bool', 'internal' => 'info/export'],
-        'exchange_import'  => ['name' => 'exchange_import', 'type' => 'bool', 'internal' => 'info/import'],
-        'exchange_website' => ['name' => 'exchange_website', 'type' => 'string', 'internal' => 'info/website'],
-    ];
-
-    /**
-     * Primary table.
-     *
-     * @var string
-     * @since 1.0.0
-     */
-    protected static $table = 'exchange';
-
-    /**
-     * Primary field name.
-     *
-     * @var string
-     * @since 1.0.0
-     */
-    protected static $primaryField = 'exchange_id';
-}
+<?php
+/**
+ * Orange Management
+ *
+ * PHP Version 7.2
+ *
+ * @package    Modules\Exchange
+ * @copyright  Dennis Eichhorn
+ * @license    OMS License 1.0
+ * @version    1.0.0
+ * @link       http://website.orange-management.de
+ */
+declare(strict_types=1);
+
+namespace Modules\Exchange\Models;
+
+use phpOMS\DataStorage\Database\DataMapperAbstract;
+
+/**
+ * Mapper class.
+ *
+ * @package    Modules\Exchange
+ * @license    OMS License 1.0
+ * @link       http://website.orange-management.de
+ * @since      1.0.0
+ */
+final class InterfaceManagerMapper extends DataMapperAbstract
+{
+
+    /**
+     * Columns.
+     *
+     * @var array<string, array<string, bool|string>>
+     * @since 1.0.0
+     */
+    protected static $columns = [
+        'exchange_id'      => ['name' => 'exchange_id', 'type' => 'int', 'internal' => 'id'],
+        'exchange_title'   => ['name' => 'exchange_title', 'type' => 'string', 'internal' => 'info/name'],
+        'exchange_path'    => ['name' => 'exchange_path', 'type' => 'string', 'internal' => 'info/path'],
+        'exchange_version' => ['name' => 'exchange_version', 'type' => 'string', 'internal' => 'info/version'],
+        'exchange_export'  => ['name' => 'exchange_export', 'type' => 'bool', 'internal' => 'info/export'],
+        'exchange_import'  => ['name' => 'exchange_import', 'type' => 'bool', 'internal' => 'info/import'],
+        'exchange_website' => ['name' => 'exchange_website', 'type' => 'string', 'internal' => 'info/website'],
+    ];
+
+    /**
+     * Primary table.
+     *
+     * @var string
+     * @since 1.0.0
+     */
+    protected static $table = 'exchange';
+
+    /**
+     * Primary field name.
+     *
+     * @var string
+     * @since 1.0.0
+     */
+    protected static $primaryField = 'exchange_id';
+}
diff --git a/Models/PermissionState.php b/Models/PermissionState.php
index 34e7d80..885acbe 100644
--- a/Models/PermissionState.php
+++ b/Models/PermissionState.php
@@ -1,32 +1,32 @@
-<?php
-/**
- * Orange Management
- *
- * PHP Version 7.2
- *
- * @package    Modules\Exchange
- * @copyright  Dennis Eichhorn
- * @license    OMS License 1.0
- * @version    1.0.0
- * @link       http://website.orange-management.de
- */
-declare(strict_types=1);
-
-namespace Modules\Exchange\Models;
-
-use phpOMS\Stdlib\Base\Enum;
-
-/**
- * Permision state enum.
- *
- * @package    Modules\Exchange
- * @license    OMS License 1.0
- * @link       http://website.orange-management.de
- * @since      1.0.0
- */
-abstract class PermissionState extends Enum
-{
-    public const IMPORT    = 1;
-    public const EXPORT    = 2;
-    public const DASHBOARD = 3;
-}
+<?php
+/**
+ * Orange Management
+ *
+ * PHP Version 7.2
+ *
+ * @package    Modules\Exchange
+ * @copyright  Dennis Eichhorn
+ * @license    OMS License 1.0
+ * @version    1.0.0
+ * @link       http://website.orange-management.de
+ */
+declare(strict_types=1);
+
+namespace Modules\Exchange\Models;
+
+use phpOMS\Stdlib\Base\Enum;
+
+/**
+ * Permision state enum.
+ *
+ * @package    Modules\Exchange
+ * @license    OMS License 1.0
+ * @link       http://website.orange-management.de
+ * @since      1.0.0
+ */
+abstract class PermissionState extends Enum
+{
+    public const IMPORT    = 1;
+    public const EXPORT    = 2;
+    public const DASHBOARD = 3;
+}
diff --git a/Theme/Backend/Lang/Navigation.en.lang.php b/Theme/Backend/Lang/Navigation.en.lang.php
index cd6ae5c..869993d 100644
--- a/Theme/Backend/Lang/Navigation.en.lang.php
+++ b/Theme/Backend/Lang/Navigation.en.lang.php
@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 /**
  * Orange Management
  *
diff --git a/Theme/Backend/Lang/en.lang.php b/Theme/Backend/Lang/en.lang.php
index 699c6b0..461b543 100644
--- a/Theme/Backend/Lang/en.lang.php
+++ b/Theme/Backend/Lang/en.lang.php
@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 /**
  * Orange Management
  *
diff --git a/Theme/Backend/exchange-dashboard.tpl.php b/Theme/Backend/exchange-dashboard.tpl.php
index 39a6dc5..61e6787 100644
--- a/Theme/Backend/exchange-dashboard.tpl.php
+++ b/Theme/Backend/exchange-dashboard.tpl.php
@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 /**
  * Orange Management
  *
@@ -14,4 +14,4 @@
 /**
  * @var \phpOMS\Views\View $this
  */
-echo $this->getData('nav')->render(); ?>
+echo $this->getData('nav')->render();
diff --git a/Theme/Backend/exchange-export-list.tpl.php b/Theme/Backend/exchange-export-list.tpl.php
index b7cc019..80afc3f 100644
--- a/Theme/Backend/exchange-export-list.tpl.php
+++ b/Theme/Backend/exchange-export-list.tpl.php
@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 /**
  * Orange Management
  *
diff --git a/Theme/Backend/exchange-export.tpl.php b/Theme/Backend/exchange-export.tpl.php
index d27956a..61e6787 100644
--- a/Theme/Backend/exchange-export.tpl.php
+++ b/Theme/Backend/exchange-export.tpl.php
@@ -1,17 +1,17 @@
-<?php
-/**
- * Orange Management
- *
- * PHP Version 7.2
- *
- * @package    TBD
- * @copyright  Dennis Eichhorn
- * @license    OMS License 1.0
- * @version    1.0.0
- * @link       http://website.orange-management.de
- */
-
-/**
+<?php declare(strict_types=1);
+/**
+ * Orange Management
+ *
+ * PHP Version 7.2
+ *
+ * @package    TBD
+ * @copyright  Dennis Eichhorn
+ * @license    OMS License 1.0
+ * @version    1.0.0
+ * @link       http://website.orange-management.de
+ */
+
+/**
  * @var \phpOMS\Views\View $this
- */
-echo $this->getData('nav')->render(); ?>
+ */
+echo $this->getData('nav')->render();
diff --git a/Theme/Backend/exchange-import-list.tpl.php b/Theme/Backend/exchange-import-list.tpl.php
index e1163bb..cc3aa77 100644
--- a/Theme/Backend/exchange-import-list.tpl.php
+++ b/Theme/Backend/exchange-import-list.tpl.php
@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 /**
  * Orange Management
  *
diff --git a/Theme/Backend/exchange-import.tpl.php b/Theme/Backend/exchange-import.tpl.php
index da65b62..7f7c7f0 100644
--- a/Theme/Backend/exchange-import.tpl.php
+++ b/Theme/Backend/exchange-import.tpl.php
@@ -1,21 +1,21 @@
-<?php
-/**
- * Orange Management
- *
- * PHP Version 7.2
- *
- * @package    TBD
- * @copyright  Dennis Eichhorn
- * @license    OMS License 1.0
- * @version    1.0.0
- * @link       http://website.orange-management.de
- */
-
- $lang = $this->getData('lang');
-
-/**
+<?php declare(strict_types=1);
+/**
+ * Orange Management
+ *
+ * PHP Version 7.2
+ *
+ * @package    TBD
+ * @copyright  Dennis Eichhorn
+ * @license    OMS License 1.0
+ * @version    1.0.0
+ * @link       http://website.orange-management.de
+ */
+
+ $lang = $this->getData('lang');
+
+/**
  * @var \phpOMS\Views\View $this
- */
-echo $this->getData('nav')->render();
-
-include __DIR__ . '/../../Interfaces/' . $this->getData('interface')->getInterfacePath() . '/import.tpl.php';
+ */
+echo $this->getData('nav')->render();
+
+include __DIR__ . '/../../Interfaces/' . $this->getData('interface')->getInterfacePath() . '/import.tpl.php';