diff --git a/Admin/Install/Workflow.install.json b/Admin/Install/Workflow.install.json
new file mode 100755
index 0000000..ac88d9a
--- /dev/null
+++ b/Admin/Install/Workflow.install.json
@@ -0,0 +1,41 @@
+{
+    "triggers": [
+    ],
+    "actions": {
+        "1006200001": {
+            "name": "Create blockchain",
+            "description": {
+                "en": "Create audit blockchain",
+                "de": "Erstelle Audit Blockchain"
+            },
+            "function_type": "Cli",
+            "function": "cliGenerateBlockchain",
+            "module": "Auditor",
+            "inputs": [
+            ],
+            "outputs": [
+            ],
+            "settings": {
+            }
+        }
+    },
+    "workflows": {
+        "Blockchain audit": [
+            {
+                "id": "1005500005",
+                "settings": {
+                    "interval": "* 2 * * *"
+                },
+                "children": [
+                    {
+                        "id": "1006200001",
+                        "comment": "Create blockchain",
+                        "settings": {},
+                        "children": [
+                        ]
+                    }
+                ]
+            }
+        ]
+    }
+}
\ No newline at end of file
diff --git a/Admin/Install/Workflow.php b/Admin/Install/Workflow.php
new file mode 100755
index 0000000..4ca287c
--- /dev/null
+++ b/Admin/Install/Workflow.php
@@ -0,0 +1,43 @@
+<?php
+/**
+ * Karaka
+ *
+ * PHP Version 8.1
+ *
+ * @package   Modules\Auditor\Admin\Install
+ * @copyright Dennis Eichhorn
+ * @license   OMS License 2.0
+ * @version   1.0.0
+ * @link      https://jingga.app
+ */
+declare(strict_types=1);
+
+namespace Modules\Auditor\Admin\Install;
+
+use phpOMS\Application\ApplicationAbstract;
+
+/**
+ * Workflow class.
+ *
+ * @package Modules\Auditor\Admin\Install
+ * @license OMS License 2.0
+ * @link    https://jingga.app
+ * @since   1.0.0
+ */
+class Workflow
+{
+    /**
+     * Install workflow providing
+     *
+     * @param ApplicationAbstract $app  Application
+     * @param string              $path Module path
+     *
+     * @return void
+     *
+     * @since 1.0.0
+     */
+    public static function install(ApplicationAbstract $app, string $path) : void
+    {
+        \Modules\Workflow\Admin\Installer::installExternal($app, ['path' => __DIR__ . '/Workflow.install.json']);
+    }
+}
diff --git a/Controller/CliController.php b/Controller/CliController.php
index 07241ac..5e4cb9d 100755
--- a/Controller/CliController.php
+++ b/Controller/CliController.php
@@ -15,7 +15,6 @@ declare(strict_types=1);
 namespace Modules\Auditor\Controller;
 
 use Modules\Auditor\Models\AuditMapper;
-use Modules\Auditor\Models\NullAudit;
 use phpOMS\Contract\RenderableInterface;
 use phpOMS\DataStorage\Database\Query\OrderType;
 use phpOMS\Message\RequestAbstract;
@@ -61,15 +60,15 @@ final class CliController extends Controller
             ->limit(1)
             ->execute();
 
-        if ($first->getId() === 1) {
+        if ($first->id === 1) {
             /** @var \Modules\Auditor\Models\Audit $first */
             $first = AuditMapper::get()
-                ->where('id', $first->getId() + 1)
+                ->where('id', $first->id + 1)
                 ->execute();
         }
 
         $count = 0;
-        if (!($first instanceof NullAudit)) {
+        if ($first->id > 0) {
             /** @var \Modules\Auditor\Models\Audit $last */
             $last = AuditMapper::get()
                 ->sort('id', OrderType::DESC)
@@ -78,13 +77,13 @@ final class CliController extends Controller
 
             /** @var \Modules\Auditor\Models\Audit $previous */
             $previous = AuditMapper::get()
-                ->where('id', $first->getId() - 1)
+                ->where('id', $first->id - 1)
                 ->execute();
 
             $current        = $first;
-            $endLastBatchId = $first->getId() - 1;
+            $endLastBatchId = $first->id - 1;
 
-            while ($current->getId() !== 0 && $current->getId() <= $last->getId()) {
+            while ($current->id !== 0 && $current->id <= $last->id) {
                 /** @var \Modules\Auditor\Models\Audit[] $batch */
                 $batch = AuditMapper::getAll()
                     ->where('id', $endLastBatchId, '>')
@@ -97,8 +96,8 @@ final class CliController extends Controller
 
                     $current->blockchain = \md5(
                         $previous->blockchain
-                        . $current->getId()
-                        . $current->createdBy->getId()
+                        . $current->id
+                        . $current->createdBy->id
                         . $current->createdAt->format('Y-m-d H:i:s')
                         . $current->type
                         . $current->trigger
@@ -115,7 +114,7 @@ final class CliController extends Controller
                     $previous = $current;
                 }
 
-                $endLastBatchId = $current->getId();
+                $endLastBatchId = $current->id;
             }
 
         }
diff --git a/Models/Audit.php b/Models/Audit.php
index c7780f5..a4f3d99 100755
--- a/Models/Audit.php
+++ b/Models/Audit.php
@@ -24,6 +24,8 @@ use phpOMS\Account\Account;
  * @license OMS License 2.0
  * @link    https://jingga.app
  * @since   1.0.0
+ *
+ * @todo: Add application id
  */
 class Audit
 {
@@ -33,7 +35,7 @@ class Audit
      * @var int
      * @since 1.0.0
      */
-    protected int $id = 0;
+    public int $id = 0;
 
     /**
      * Audit type.
diff --git a/Theme/Backend/audit-list.tpl.php b/Theme/Backend/audit-list.tpl.php
index 4f8fcbd..9ee34dd 100755
--- a/Theme/Backend/audit-list.tpl.php
+++ b/Theme/Backend/audit-list.tpl.php
@@ -66,9 +66,9 @@ echo $this->getData('nav')->render(); ?>
                 <?php
                 $count = 0;
                 foreach ($audits as $key => $audit) : ++$count;
-                    $url = UriFactory::build('{/base}/admin/audit/single?id=' . $audit->getId()); ?>
+                    $url = UriFactory::build('{/base}/admin/audit/single?id=' . $audit->id); ?>
                     <tr tabindex="0" data-href="<?= $url; ?>">
-                        <td><?= $audit->getId(); ?>
+                        <td><?= $audit->id; ?>
                         <td><?= $this->printHtml($audit->module); ?>
                         <td><?php if ($audit->old === null) : echo $this->getHtml('CREATE'); ?>
                             <?php elseif ($audit->old !== null && $audit->new !== null) : echo $this->getHtml('UPDATE'); ?>
@@ -77,7 +77,7 @@ echo $this->getData('nav')->render(); ?>
                             <?php endif; ?>
                         <td><?= $this->printHtml((string) $audit->type); ?>
                         <td><?= $this->printHtml($audit->trigger); ?>
-                        <td><a class="content" href="<?= UriFactory::build('{/base}/admin/account/settings?id=' . $audit->createdBy->getId()); ?>"><?= $this->printHtml(
+                        <td><a class="content" href="<?= UriFactory::build('{/base}/admin/account/settings?id=' . $audit->createdBy->id); ?>"><?= $this->printHtml(
                                 $this->renderUserName('%3$s %2$s %1$s', [$audit->createdBy->name1, $audit->createdBy->name2, $audit->createdBy->name3, $audit->createdBy->login])
                             ); ?></a>
                         <td><?= $this->printHtml((string) $audit->ref); ?>
diff --git a/Theme/Backend/audit-single.tpl.php b/Theme/Backend/audit-single.tpl.php
index 16e2ce8..0d9e290 100755
--- a/Theme/Backend/audit-single.tpl.php
+++ b/Theme/Backend/audit-single.tpl.php
@@ -53,7 +53,7 @@ echo $this->getData('nav')->render();
                         <td><?= $audit->type; ?>
                     <tr>
                         <th><?= $this->getHtml('By'); ?>
-                        <td><a href="<?= UriFactory::build('{/base}/admin/account/settings?{?}&id=' . $audit->createdBy->getId()); ?>"><?= $audit->createdBy->name1; ?> <?= $audit->createdBy->name2; ?></a>
+                        <td><a href="<?= UriFactory::build('{/base}/admin/account/settings?{?}&id=' . $audit->createdBy->id); ?>"><?= $audit->createdBy->name1; ?> <?= $audit->createdBy->name2; ?></a>
                     <tr>
                         <th><?= $this->getHtml('Ref'); ?>
                         <td><?= $this->printHtml((string) $audit->ref); ?>
diff --git a/info.json b/info.json
index 9fd7630..f0610cd 100755
--- a/info.json
+++ b/info.json
@@ -20,7 +20,8 @@
         "Admin": "1.0.0"
     },
     "providing": {
-        "Navigation": "*"
+        "Navigation": "*",
+        "Workflow": "*"
     },
     "load": [
         {
diff --git a/tests/Controller/ApiControllerTest.php b/tests/Controller/ApiControllerTest.php
index 05a3d99..5d2bf23 100755
--- a/tests/Controller/ApiControllerTest.php
+++ b/tests/Controller/ApiControllerTest.php
@@ -98,7 +98,7 @@ final class ApiControllerTest extends \PHPUnit\Framework\TestCase
         $logs = AuditMapper::getAll()->execute();
 
         foreach($logs as $log) {
-            if ($log->getId() > 0
+            if ($log->id > 0
                 && $log->type === 1
                 && $log->trigger === 'test-trigger'
                 && $log->module === 'Auditor'
@@ -127,7 +127,7 @@ final class ApiControllerTest extends \PHPUnit\Framework\TestCase
 
         $found = false;
         foreach($logs as $log) {
-            if ($log->getId() > 0
+            if ($log->id > 0
                 && $log->type === 1
                 && $log->trigger === 'test-trigger'
                 && $log->module === 'Auditor'
@@ -169,7 +169,7 @@ final class ApiControllerTest extends \PHPUnit\Framework\TestCase
         $logs = AuditMapper::getAll()->execute();
 
         foreach($logs as $log) {
-            if ($log->getId() > 0
+            if ($log->id > 0
                 && $log->type === 1
                 && $log->trigger === 'test-trigger'
                 && $log->module === 'Auditor'
diff --git a/tests/Models/AuditMapperTest.php b/tests/Models/AuditMapperTest.php
index 183250d..b812cfc 100755
--- a/tests/Models/AuditMapperTest.php
+++ b/tests/Models/AuditMapperTest.php
@@ -42,11 +42,11 @@ final class AuditMapperTest extends \PHPUnit\Framework\TestCase
         );
 
         $id = AuditMapper::create()->execute($audit);
-        self::assertGreaterThan(0, $audit->getId());
-        self::assertEquals($id, $audit->getId());
+        self::assertGreaterThan(0, $audit->id);
+        self::assertEquals($id, $audit->id);
 
         $auditR = AuditMapper::get()
-            ->where('id', $audit->getId())
+            ->where('id', $audit->id)
             ->execute();
 
         self::assertEquals($audit->type, $auditR->type);
diff --git a/tests/Models/AuditTest.php b/tests/Models/AuditTest.php
index 66f3d4e..d8b22ed 100755
--- a/tests/Models/AuditTest.php
+++ b/tests/Models/AuditTest.php
@@ -32,7 +32,7 @@ final class AuditTest extends \PHPUnit\Framework\TestCase
     public function testDefault() : void
     {
         $audit = new Audit();
-        self::assertEquals(0, $audit->getId());
+        self::assertEquals(0, $audit->id);
         self::assertEquals(0, $audit->type);
         self::assertEquals('', $audit->trigger);
         self::assertNull($audit->module);
@@ -41,7 +41,7 @@ final class AuditTest extends \PHPUnit\Framework\TestCase
         self::assertNull($audit->old);
         self::assertNull($audit->new);
         self::assertEquals(0, $audit->ip);
-        self::assertEquals(0, $audit->createdBy->getId());
+        self::assertEquals(0, $audit->createdBy->id);
         self::assertInstanceOf('\DateTimeImmutable', $audit->createdAt);
     }
 
@@ -70,6 +70,6 @@ final class AuditTest extends \PHPUnit\Framework\TestCase
         self::assertEquals('old', $audit->old);
         self::assertEquals('new', $audit->new);
         self::assertEquals(\ip2long('127.0.0.1'), $audit->ip);
-        self::assertEquals(0, $audit->createdBy->getId());
+        self::assertEquals(0, $audit->createdBy->id);
     }
 }
diff --git a/tests/Models/NullAuditTest.php b/tests/Models/NullAuditTest.php
index f2dc869..6e1f589 100755
--- a/tests/Models/NullAuditTest.php
+++ b/tests/Models/NullAuditTest.php
@@ -37,6 +37,6 @@ final class NullAuditTest extends \PHPUnit\Framework\TestCase
     public function testId() : void
     {
         $null = new NullAudit(2);
-        self::assertEquals(2, $null->getId());
+        self::assertEquals(2, $null->id);
     }
 }