diff --git a/Admin/Install/Navigation.php b/Admin/Install/Navigation.php
index 9a9446c..7340394 100755
--- a/Admin/Install/Navigation.php
+++ b/Admin/Install/Navigation.php
@@ -29,8 +29,8 @@ class Navigation
     /**
      * Install navigation providing
      *
-     * @param string       $path   Module path
-     * @param ApplicationAbstract $app Application
+     * @param string              $path Module path
+     * @param ApplicationAbstract $app  Application
      *
      * @return void
      *
diff --git a/Admin/Installer.php b/Admin/Installer.php
index 12738a4..f3f8e7b 100755
--- a/Admin/Installer.php
+++ b/Admin/Installer.php
@@ -34,24 +34,31 @@ use Modules\WarehouseManagement\Models\StockLocationMapper;
  */
 final class Installer extends InstallerAbstract
 {
-	/**
+    /**
      * {@inheritdoc}
      */
     public static function install(DatabasePool $dbPool, ModuleInfo $info, SettingsInterface $cfgHandler) : void
     {
         parent::install($dbPool, $info, $cfgHandler);
 
-        self::createStock();
+        self::createDefaultStock();
     }
 
-    private static function createStock() : void
+    /**
+     * Creates a default stock
+     *
+     * @return void
+     *
+     * @since 1.0.0
+     */
+    private static function createDefaultStock() : void
     {
-    	$stock = new Stock('Default');
-    	$stock->type = 0;
-    	StockMapper::create($stock);
+        $stock       = new Stock('Default');
+        $stock->type = 0;
+        StockMapper::create($stock);
 
-    	$stockLocation = new StockLocation((string) ($stock->getId() . '-1'));
-    	$stockLocation->stock = $stock;
-    	StockLocationMapper::create($stockLocation);
+        $stockLocation        = new StockLocation((string) ($stock->getId() . '-1'));
+        $stockLocation->stock = $stock;
+        StockLocationMapper::create($stockLocation);
     }
 }
diff --git a/Controller/ApiController.php b/Controller/ApiController.php
index 600ee61..471fdae 100755
--- a/Controller/ApiController.php
+++ b/Controller/ApiController.php
@@ -32,8 +32,8 @@ use Modules\WarehouseManagement\Models\StockShelfMapper;
  */
 final class ApiController extends Controller
 {
-	public function eventStockCreateInternal(
-		int $account,
+    public function eventStockCreateInternal(
+        int $account,
         mixed $old,
         mixed $new,
         int $type = 0,
@@ -42,23 +42,23 @@ final class ApiController extends Controller
         string $ref = null,
         string $content = null,
         string $ip = null
-	) : void
-	{
-		$stock = new Stock($new->number);
-		$stock->type = 1;
-		StockMapper::create($stock);
+    ) : void
+    {
+        $stock       = new Stock($new->number);
+        $stock->type = 1;
+        StockMapper::create($stock);
 
-		$stockLocation = new StockLocation($stock->name . '-1');
-		$stockLocation->stock = $stock->getId();
-		StockLocationMapper::create($stockLocation);
+        $stockLocation        = new StockLocation($stock->name . '-1');
+        $stockLocation->stock = $stock->getId();
+        StockLocationMapper::create($stockLocation);
 
-		$stockShelf = new StockShelf($stockLocation->name . '-1');
-		$stockShelf->location = $stockLocation->getId();
-		StockShelfMapper::create($stockShelf);
-	}
+        $stockShelf           = new StockShelf($stockLocation->name . '-1');
+        $stockShelf->location = $stockLocation->getId();
+        StockShelfMapper::create($stockShelf);
+    }
 
-	public function eventBillUpdateInternal(
-		int $account,
+    public function eventBillUpdateInternal(
+        int $account,
         mixed $old,
         mixed $new,
         int $type = 0,
@@ -67,24 +67,24 @@ final class ApiController extends Controller
         string $ref = null,
         string $content = null,
         string $ip = null
-	) : void
-	{
-		if ($trigger === 'POST:Module:Billing-bill_element-create') {
-			// @todo: if is bill element create, create stock movement
+    ) : void
+    {
+        if ($trigger === 'POST:Module:Billing-bill_element-create') {
+            // @todo: if is bill element create, create stock movement
 
-		} elseif ($trigger === 'POST:Module:Billing-bill_element-update') {
-			// quantity change
-			// lot changes
-			// stock changes
-			// all other changes ignore!
-			// check availability again, if not available abort bill
-		} elseif ($trigger === 'POST:Module:Billing-bill_element-delete') {
-			// @todo: delete stock movement
-		} elseif ($trigger === 'POST:Module:Billing-bill-delete') {
-			// @todo: delete stock movements
-		} elseif ($trigger === 'POST:Module:Billing-bill-update') {
-			// is receiver update -> change all movements
-			// is status update -> change all movements (delete = delete)
-		}
-	}
+        } elseif ($trigger === 'POST:Module:Billing-bill_element-update') {
+            // quantity change
+            // lot changes
+            // stock changes
+            // all other changes ignore!
+            // check availability again, if not available abort bill
+        } elseif ($trigger === 'POST:Module:Billing-bill_element-delete') {
+            // @todo: delete stock movement
+        } elseif ($trigger === 'POST:Module:Billing-bill-delete') {
+            // @todo: delete stock movements
+        } elseif ($trigger === 'POST:Module:Billing-bill-update') {
+            // is receiver update -> change all movements
+            // is status update -> change all movements (delete = delete)
+        }
+    }
 }
diff --git a/Controller/BackendController.php b/Controller/BackendController.php
index 00c205b..49daa90 100755
--- a/Controller/BackendController.php
+++ b/Controller/BackendController.php
@@ -31,7 +31,7 @@ use phpOMS\Views\View;
  */
 final class BackendController extends Controller
 {
-	/**
+    /**
      * Routing end-point for application behaviour.
      *
      * @param RequestAbstract  $request  Request
diff --git a/Models/PermissionState.php b/Models/PermissionState.php
index 84778ca..bfbd91a 100755
--- a/Models/PermissionState.php
+++ b/Models/PermissionState.php
@@ -27,5 +27,6 @@ use phpOMS\Stdlib\Base\Enum;
 abstract class PermissionState extends Enum
 {
     public const STOCK = 1;
+
     public const STOCK_LOCATION = 2;
 }
diff --git a/Models/Stock.php b/Models/Stock.php
index 114955f..a46bd27 100755
--- a/Models/Stock.php
+++ b/Models/Stock.php
@@ -32,17 +32,37 @@ class Stock
      */
     private int $id = 0;
 
+    /**
+     * NAme.
+     *
+     * @var string
+     * @since 1.0.0
+     */
     public string $name = '';
 
     public int $type = 0;
 
+    /**
+     * Constructor.
+     *
+     * @param string $name Stock name
+     *
+     * @since 1.0.0
+     */
     public function __construct(string $name = '')
     {
         $this->name = $name;
     }
 
+    /**
+     * Get id.
+     *
+     * @return int
+     *
+     * @since 1.0.0
+     */
     public function getId() : int
     {
-    	return $this->id;
+        return $this->id;
     }
 }
diff --git a/Models/StockLocation.php b/Models/StockLocation.php
index 57f1625..ae00691 100755
--- a/Models/StockLocation.php
+++ b/Models/StockLocation.php
@@ -42,13 +42,27 @@ class StockLocation
 
     public int $z = 0;
 
+    /**
+     * Constructor.
+     *
+     * @param string $name Stock name
+     *
+     * @since 1.0.0
+     */
     public function __construct(string $name = '')
     {
         $this->name = $name;
     }
 
+    /**
+     * Get id.
+     *
+     * @return int
+     *
+     * @since 1.0.0
+     */
     public function getId() : int
     {
-    	return $this->id;
+        return $this->id;
     }
 }
diff --git a/Models/StockMovement.php b/Models/StockMovement.php
index 160e917..01d0905 100755
--- a/Models/StockMovement.php
+++ b/Models/StockMovement.php
@@ -67,6 +67,11 @@ class StockMovement
      */
     public \DateTimeImmutable $createdAt;
 
+    /**
+     * Constructor.
+     *
+     * @since 1.0.0
+     */
     public function __construct()
     {
         $this->createdBy = new NullAccount();
diff --git a/Models/StockMovementType.php b/Models/StockMovementType.php
index 0739bd3..bce4045 100755
--- a/Models/StockMovementType.php
+++ b/Models/StockMovementType.php
@@ -26,21 +26,21 @@ use phpOMS\Stdlib\Base\Enum;
  */
 abstract class StockMovementType extends Enum
 {
-    public const MERGE = 1;
-    public const SPLIT = 2;
+    public const MERGE    = 1;
+    public const SPLIT    = 2;
     public const INCREASE = 4;
     public const DECREASE = 8;
     public const TRANSFER = 16;
 
 
     // @todo: subtypes, maybe creates as database subtypes during install.
-    public const DESTROY = 1; // 8
-    public const RETURN = 1; // 8
-    public const INVENTORY_PLUS = 1; // 4
-    public const INVENTORY_MINUS = 1; // 8
-    public const PURCHASE = 1; // 4
-    public const SALE = 1; // 4
+    public const DESTROY            = 1; // 8
+    public const RETURN             = 1; // 8
+    public const INVENTORY_PLUS     = 1; // 4
+    public const INVENTORY_MINUS    = 1; // 8
+    public const PURCHASE           = 1; // 4
+    public const SALE               = 1; // 4
     public const MANUFACTURE_CREATE = 1; // 4
-    public const MANUFACTURE_USE = 1; // 8
-    public const MANUAL = 1; // 1-16
+    public const MANUFACTURE_USE    = 1; // 8
+    public const MANUAL             = 1; // 1-16
 }
diff --git a/Models/StockShelf.php b/Models/StockShelf.php
index d2ce756..e0358dd 100755
--- a/Models/StockShelf.php
+++ b/Models/StockShelf.php
@@ -42,13 +42,27 @@ class StockShelf
 
     public int $z = 0;
 
+    /**
+     * Constructor.
+     *
+     * @param string $name Shelf name
+     *
+     * @since 1.0.0
+     */
     public function __construct(string $name = '')
     {
         $this->name = $name;
     }
 
+    /**
+     * Get id.
+     *
+     * @return int
+     *
+     * @since 1.0.0
+     */
     public function getId() : int
     {
-    	return $this->id;
+        return $this->id;
     }
 }