diff --git a/README.md b/README.md
index 1668408..d186574 100644
--- a/README.md
+++ b/README.md
@@ -27,6 +27,9 @@ Create a configuration file at `config/packages/hawk.yaml` with the following co
 ```yaml
 hawk:
   integration_token: '%env(HAWK_TOKEN)%'
+
+  # Optional: Configure a custom beforeSend service
+  before_send_service: 'App\Hawk\BeforeSendService'
 ```
 
 In the `config/packages/monolog.yaml` file, specify the handler settings under the appropriate section (`dev` or `prod`):
@@ -91,6 +94,41 @@ public function test()
 }
 ```
 
+### Example: BeforeSendService Class
+
+If you want to process or modify error data before sending it to Hawk, you can define a custom service by implementing the `BeforeSendServiceInterface`.
+
+```php
+<?php
+
+namespace App\Hawk;
+
+use Hawk\EventPayload;
+use HawkBundle\Service\BeforeSendServiceInterface;
+
+class BeforeSendService implements BeforeSendServiceInterface
+{
+    public function __invoke(EventPayload $eventPayload): ?EventPayload
+    {
+        $user = $eventPayload->getUser();
+        
+        // Modify or add additional data to the error report
+        if (!empty($user['email'])){
+            unset($user['email']);
+        
+            $eventPayload->setUser($user);
+        }
+        
+        // Return null to prevent the event from being sent to Hawk
+        if ($eventPayload->getContext()['skip_sending'] ?? false) {
+            return null;
+        }
+
+        return $eventPayload;
+    }
+}
+```
+
 ## Issues and improvements
 
 Feel free to ask questions or improve the project.
diff --git a/composer.json b/composer.json
index 5b0ad5d..a8e3998 100644
--- a/composer.json
+++ b/composer.json
@@ -3,7 +3,7 @@
   "description": "Symfony errors Catcher module for Hawk.so",
   "keywords": ["hawk", "php", "error", "catcher", "monolog", "symfony"],
   "type": "library",
-  "version": "0.0.7",
+  "version": "0.0.8",
   "license": "MIT",
   "require": {
     "php": "^7.2 || ^8.0",
diff --git a/src/DependencyInjection/Configuration.php b/src/DependencyInjection/Configuration.php
index 067e4fe..4b46ff6 100644
--- a/src/DependencyInjection/Configuration.php
+++ b/src/DependencyInjection/Configuration.php
@@ -17,10 +17,13 @@ public function getConfigTreeBuilder(): TreeBuilder
 
         $rootNode
             ->children()
-            ->scalarNode('integration_token')
-            ->isRequired()
-            ->cannotBeEmpty()
-            ->end()
+                ->scalarNode('integration_token')
+                    ->isRequired()
+                    ->cannotBeEmpty()
+                ->end()
+                ->scalarNode('before_send_service')
+                    ->defaultNull()
+                ->end()
             ->end()
         ;
 
diff --git a/src/DependencyInjection/HawkExtension.php b/src/DependencyInjection/HawkExtension.php
index 78ee5af..73bb0ab 100644
--- a/src/DependencyInjection/HawkExtension.php
+++ b/src/DependencyInjection/HawkExtension.php
@@ -6,6 +6,7 @@
 
 use HawkBundle\Catcher;
 use HawkBundle\Monolog\Handler;
+use HawkBundle\Service\BeforeSendServiceInterface;
 use HawkBundle\Transport\GuzzlePromisesTransport;
 use Monolog\Logger;
 use Symfony\Component\Config\FileLocator;
@@ -34,9 +35,19 @@ public function load(array $configs, ContainerBuilder $container)
         // Register TransportInterface
         $container->register(GuzzlePromisesTransport::class);
 
+        $options = ['integrationToken' => $config['integration_token']];
+
+        if (
+            isset($config['before_send_service'])
+            && class_exists($config['before_send_service'])
+            && is_subclass_of($config['before_send_service'], BeforeSendServiceInterface::class)
+        ) {
+            $options['beforeSend'] = new Reference($config['before_send_service']);
+        }
+
         // Register Catcher
         $container->register(Catcher::class)
-            ->setArgument('$options', ['integrationToken' => $config['integration_token']])
+            ->setArgument('$options', $options)
             ->setArgument('$transport', new Reference(GuzzlePromisesTransport::class));
 
         // Register Monolog\Handler
diff --git a/src/Service/BeforeSendServiceInterface.php b/src/Service/BeforeSendServiceInterface.php
new file mode 100644
index 0000000..7f99d73
--- /dev/null
+++ b/src/Service/BeforeSendServiceInterface.php
@@ -0,0 +1,10 @@
+<?php
+
+declare(strict_types=1);
+
+namespace HawkBundle\Service;
+
+interface BeforeSendServiceInterface
+{
+
+}
\ No newline at end of file