diff --git a/Authentication.php b/Authentication.php
index 1c766bf..0a636fe 100644
--- a/Authentication.php
+++ b/Authentication.php
@@ -14,10 +14,9 @@ class Authentication
   public function handle($request, Closure $next)
   {
     if ($request->input('gql_session') === 'SUPER_SECRET_TOKEN') {
-      return "false";
-    }
-    else {
-      return "true";
+      return 'false';
+    } else {
+      return 'true';
     }
 
     return $next($request);
diff --git a/Plugin.php b/Plugin.php
index 50e54a9..745582c 100644
--- a/Plugin.php
+++ b/Plugin.php
@@ -43,8 +43,11 @@ class Plugin extends PluginBase
     $this->app->singleton(DatabaseManager::class, function ($app) {
       return $app->make('db');
     });
-    \Illuminate\Support\Facades\Broadcast::routes(['prefix' => '', 'middleware' => 'GermanAirlinesVA\\Graphql\\Classes\\Authentication']);
-    require("channels/channels.php");
+    \Illuminate\Support\Facades\Broadcast::routes([
+      'prefix' => '',
+      'middleware' => 'GermanAirlinesVA\\Graphql\\Classes\\Authentication',
+    ]);
+    require 'channels/channels.php';
 
     Config::set('database.connections.germanairlinesva_graphql', Config::get('germanairlinesva.graphql::connection'));
   }
diff --git a/classes/Authentication.php b/classes/Authentication.php
index f5a2624..74284c8 100644
--- a/classes/Authentication.php
+++ b/classes/Authentication.php
@@ -15,10 +15,9 @@ class Authentication
   public function handle($request, Closure $next)
   {
     if ($request->header('Gql-Session') === 'SUPER_SECRET_KEY_HEADER') {
-      return "";
-    }
-    else {
-      throw new AccessDeniedHttpException;
+      return '';
+    } else {
+      throw new AccessDeniedHttpException();
     }
 
     return $next($request);
diff --git a/classes/Dummy.php b/classes/Dummy.php
index b485336..a687471 100644
--- a/classes/Dummy.php
+++ b/classes/Dummy.php
@@ -69,6 +69,6 @@ class Dummy extends GraphQLSubscription
    */
   public function resolve($root, array $args, GraphQLContext $context, ResolveInfo $resolveInfo): array
   {
-    return array($root);
+    return [$root];
   }
 }
diff --git a/controllers/GraphqlKey.php b/controllers/GraphqlKey.php
index 3dad937..a8d7b0a 100644
--- a/controllers/GraphqlKey.php
+++ b/controllers/GraphqlKey.php
@@ -5,12 +5,12 @@ use BackendMenu;
 
 class GraphqlKey extends Controller
 {
-    public $implement = [        'Backend\Behaviors\ListController'    ];
-    
-    public $listConfig = 'config_list.yaml';
+  public $implement = ['Backend\Behaviors\ListController'];
 
-    public function __construct()
-    {
-        parent::__construct();
-    }
+  public $listConfig = 'config_list.yaml';
+
+  public function __construct()
+  {
+    parent::__construct();
+  }
 }
diff --git a/controllers/graphqlkey/_list_toolbar.htm b/controllers/graphqlkey/_list_toolbar.htm
index c651229..ee2b577 100644
--- a/controllers/graphqlkey/_list_toolbar.htm
+++ b/controllers/graphqlkey/_list_toolbar.htm
@@ -1,17 +1,18 @@
 <div data-control="toolbar">
-            <button
-        class="btn btn-default oc-icon-trash-o"
-        disabled="disabled"
-        onclick="$(this).data('request-data', {
+  <button
+    class="btn btn-default oc-icon-trash-o"
+    disabled="disabled"
+    onclick="$(this).data('request-data', {
             checked: $('.control-list').listWidget('getChecked')
         })"
-        data-request="onDelete"
-        data-request-confirm="<?= e(trans('backend::lang.list.delete_selected_confirm')) ?>"
-        data-trigger-action="enable"
-        data-trigger=".control-list input[type=checkbox]"
-        data-trigger-condition="checked"
-        data-request-success="$(this).prop('disabled', true)"
-        data-stripe-load-indicator>
-        <?= e(trans('backend::lang.list.delete_selected')) ?>
-    </button>
+    data-request="onDelete"
+    data-request-confirm="<?= e(trans('backend::lang.list.delete_selected_confirm')) ?>"
+    data-trigger-action="enable"
+    data-trigger=".control-list input[type=checkbox]"
+    data-trigger-condition="checked"
+    data-request-success="$(this).prop('disabled', true)"
+    data-stripe-load-indicator
+  >
+    <?= e(trans('backend::lang.list.delete_selected')) ?>
+  </button>
 </div>
diff --git a/controllers/graphqlkey/config_list.yaml b/controllers/graphqlkey/config_list.yaml
index 5d34fbf..be994f1 100644
--- a/controllers/graphqlkey/config_list.yaml
+++ b/controllers/graphqlkey/config_list.yaml
@@ -6,6 +6,6 @@ showSetup: true
 showCheckboxes: true
 recordsPerPage: 20
 toolbar:
-    buttons: list_toolbar
-    search:
-        prompt: 'backend::lang.list.search_prompt'
+  buttons: list_toolbar
+  search:
+    prompt: 'backend::lang.list.search_prompt'
diff --git a/graphs/cms.htm b/graphs/cms.htm
index 24753ea..93d9adc 100644
--- a/graphs/cms.htm
+++ b/graphs/cms.htm
@@ -1,5 +1,4 @@
-title = "CMS"
-==
+title = "CMS" ==
 <?php
 use Cms\Classes\Theme;
 use Cms\Classes\Content;
@@ -12,12 +11,6 @@ function resolveCmsContent($root, $args) {
     return Content::loadCached($theme, $args['name']);
 }
 ?>
-==
-# Content
-extend type Query { cmsContent(name: String!): CmsContent! }
-type CmsContent { fileName: String! content: String markup: String parsedMarkup: String }
-# CMS-wide types
-# Backend\Models\User
-type BackendUser { id: ID! }
-#System\Models\File
-type SystemFile { id: ID path: String title: String description: String }
+== # Content extend type Query { cmsContent(name: String!): CmsContent! } type CmsContent { fileName: String! content:
+String markup: String parsedMarkup: String } # CMS-wide types # Backend\Models\User type BackendUser { id: ID! }
+#System\Models\File type SystemFile { id: ID path: String title: String description: String }
diff --git a/graphs/fleet.htm b/graphs/fleet.htm
index ef01929..54c9370 100644
--- a/graphs/fleet.htm
+++ b/graphs/fleet.htm
@@ -1,32 +1,8 @@
-title = "Fleet"
-==
-==
-# Content
-extend type Query {
-  aircraft: [Aircraft] @all(model: "GermanAirlinesVa\\Fleet\\Models\\Aircraft")
-  aircraftType: [AircraftType] @all(model: "GermanAirlinesVa\\Fleet\\Models\\AircraftType")
-}
-
-extend type Subscription {
-  aircraftAdded: Aircraft @subscription(class: "GermanAirlinesVa\\Fleet\\Classes\\AircraftAdded")
-}
-
-extend type Mutation {
-  addAircraft(
-    aircraft_type_id: ID!,
-    home_airport_id: ID!,
-    name: String!,
-    registration: String!
-  ): Aircraft
-    @create(model: "GermanAirlinesVa\\Fleet\\Models\\Aircraft")
-    @broadcast(subscription: "aircraftAdded")
-}
-
-type Aircraft {
-  id: ID!
-  aircraft_type_id: ID!
-  home_airport_id: ID!
-  name: String!
-  registration: String!
-}
-type AircraftType { type: String! aircrafts: [Aircraft] @hasMany }
+title = "Fleet" == == # Content extend type Query { aircraft: [Aircraft] @all(model:
+"GermanAirlinesVa\\Fleet\\Models\\Aircraft") aircraftType: [AircraftType] @all(model:
+"GermanAirlinesVa\\Fleet\\Models\\AircraftType") } extend type Subscription { aircraftAdded: Aircraft
+@subscription(class: "GermanAirlinesVa\\Fleet\\Classes\\AircraftAdded") } extend type Mutation { addAircraft(
+aircraft_type_id: ID!, home_airport_id: ID!, name: String!, registration: String! ): Aircraft @create(model:
+"GermanAirlinesVa\\Fleet\\Models\\Aircraft") @broadcast(subscription: "aircraftAdded") } type Aircraft { id: ID!
+aircraft_type_id: ID! home_airport_id: ID! name: String! registration: String! } type AircraftType { type: String!
+aircrafts: [Aircraft] @hasMany }
diff --git a/lang/en/lang.php b/lang/en/lang.php
index 2414f80..5aa0ad1 100644
--- a/lang/en/lang.php
+++ b/lang/en/lang.php
@@ -1,33 +1,35 @@
 <?php return [
-    'plugin' => [
-        'name' => 'GA GraphQL',
-        'description' => '',
+  'plugin' => [
+    'name' => 'GA GraphQL',
+    'description' => '',
+  ],
+  'menu' => [
+    'main' => 'GA GraphQL',
+    'keys' => 'GraphQL Keys',
+    'playground' => 'GraphiQL',
+  ],
+  'permission' => [
+    'tab' => [
+      'schemas' => 'German Airlines VA - GraphQL',
     ],
-    'menu' => [
-        'main' => 'GA GraphQL',
-        'keys' => 'GraphQL Keys',
-        'playground' => 'GraphiQL',
+    'label' => [
+      'schemas' => 'Access GraphiQL',
     ],
-    'permission' => [
-        'tab' => [
-            'schemas' => 'German Airlines VA - GraphQL',
-        ],
-        'label' => [
-            'schemas' => 'Access GraphiQL',
-        ],
+  ],
+  'settings' => [
+    'label' => 'German Airlines VA - GraphQL',
+    'description' => 'Configure GrapQL',
+    'general' => 'General',
+    'engine' => 'Engine',
+    'enable_cache' => [
+      'label' => 'Enable Schema Cache',
+      'comment' =>
+        'A large part of the Schema generation is parsing the various graph definition into an AST. These operations are pretty expensive so it is recommended to enable caching in production mode.',
     ],
-    'settings' => [
-        'label' => 'German Airlines VA - GraphQL',
-        'description' => 'Configure GrapQL',
-        'general' => 'General',
-        'engine' => 'Engine',
-        'enable_cache' => [
-            'label' => 'Enable Schema Cache',
-            'comment' => 'A large part of the Schema generation is parsing the various graph definition into an AST. These operations are pretty expensive so it is recommended to enable caching in production mode.',
-        ],
-        'batched_queries' => [
-            'label' => 'Batched Queries',
-            'comment' => 'GraphQL query batching means sending multiple queries to the server in one request. You may set this flag to process/deny batched queries.',
-        ],
+    'batched_queries' => [
+      'label' => 'Batched Queries',
+      'comment' =>
+        'GraphQL query batching means sending multiple queries to the server in one request. You may set this flag to process/deny batched queries.',
     ],
-];
\ No newline at end of file
+  ],
+];
diff --git a/models/graphqlkey/columns.yaml b/models/graphqlkey/columns.yaml
index 0e45288..3b52c63 100644
--- a/models/graphqlkey/columns.yaml
+++ b/models/graphqlkey/columns.yaml
@@ -1,13 +1,13 @@
 columns:
-    id:
-        label: id
-        type: number
-    member_id:
-        label: member_id
-        type: number
-    valid_from:
-        label: valid_from
-        type: datetime
-    key:
-        label: key
-        type: text
+  id:
+    label: id
+    type: number
+  member_id:
+    label: member_id
+    type: number
+  valid_from:
+    label: valid_from
+    type: datetime
+  key:
+    label: key
+    type: text
diff --git a/plugin.yaml b/plugin.yaml
index 0a19b9f..57e11cb 100644
--- a/plugin.yaml
+++ b/plugin.yaml
@@ -1,26 +1,26 @@
 plugin:
-    name: 'germanairlinesva.graphql::lang.plugin.name'
-    description: 'germanairlinesva.graphql::lang.plugin.description'
-    author: 'German Airlines VA'
-    icon: oc-icon-database
-    homepage: ''
+  name: 'germanairlinesva.graphql::lang.plugin.name'
+  description: 'germanairlinesva.graphql::lang.plugin.description'
+  author: 'German Airlines VA'
+  icon: oc-icon-database
+  homepage: ''
 permissions:
-    schemas:
-        tab: 'germanairlinesva.graphql::lang.permission.tab.schemas'
-        label: 'germanairlinesva.graphql::lang.permission.label.schemas'
+  schemas:
+    tab: 'germanairlinesva.graphql::lang.permission.tab.schemas'
+    label: 'germanairlinesva.graphql::lang.permission.label.schemas'
 navigation:
-    menu:
-        label: 'germanairlinesva.graphql::lang.menu.main'
-        url: /
+  menu:
+    label: 'germanairlinesva.graphql::lang.menu.main'
+    url: /
+    icon: icon-database
+    permissions:
+      - schemas
+    sideMenu:
+      side-menu-item:
+        label: 'germanairlinesva.graphql::lang.menu.playground'
+        url: germanairlinesva/graphql/playground
         icon: icon-database
-        permissions:
-            - schemas
-        sideMenu:
-            side-menu-item:
-                label: 'germanairlinesva.graphql::lang.menu.playground'
-                url: germanairlinesva/graphql/playground
-                icon: icon-database
-            side-menu-item2:
-                label: 'germanairlinesva.graphql::lang.menu.keys'
-                url: germanairlinesva/graphql/graphqlkey
-                icon: icon-key
+      side-menu-item2:
+        label: 'germanairlinesva.graphql::lang.menu.keys'
+        url: germanairlinesva/graphql/graphqlkey
+        icon: icon-key