diff --git a/composer.json b/composer.json
index 95b3153..4e578e7 100644
--- a/composer.json
+++ b/composer.json
@@ -29,6 +29,11 @@
     "phpunit/phpunit": "^9.0 | ^10.0",
     "squizlabs/php_codesniffer": "^3.0"
   },
+  "autoload": {
+    "psr-4": {
+      "SimpleSAML\\Module\\drupalauth\\": "src/"
+    }
+  },
   "autoload-dev": {
     "classmap": ["src/", "tests/"]
   },
diff --git a/src/DrupalHelper.php b/src/DrupalHelper.php
index 8488c55..460d43b 100644
--- a/src/DrupalHelper.php
+++ b/src/DrupalHelper.php
@@ -3,6 +3,7 @@
 namespace SimpleSAML\Module\drupalauth;
 
 use Drupal\Core\DrupalKernel;
+use SimpleSAML\Module\drupalauth\Event\SetAttributesEvent;
 use Symfony\Component\HttpFoundation\Request;
 
 class DrupalHelper
@@ -38,7 +39,7 @@ public function getAttributes($drupaluser, $requested_attributes): array
         $forbiddenAttributes = $this->forbiddenAttributes;
 
         if (empty($requested_attributes)) {
-            return $this->getAllAttributes($drupaluser, $forbiddenAttributes);
+            $attributes = $this->getAllAttributes($drupaluser, $forbiddenAttributes);
         } else {
             foreach ($requested_attributes as $attribute) {
                 $field_name = $attribute['field_name'];
@@ -78,7 +79,10 @@ public function getAttributes($drupaluser, $requested_attributes): array
                 }
             }
         }
-
+        $event = new SetAttributesEvent($this, $drupaluser, $requested_attributes, $attributes);
+        $event_dispatcher = \Drupal::service('event_dispatcher');
+        $event_dispatcher->dispatch($event, SetAttributesEvent::EVENT_NAME);
+        $attributes = $event->getAttributes();
         return $attributes;
     }
 
@@ -116,7 +120,7 @@ protected function getAllAttributes($drupaluser, $forbiddenAttributes): array
         return $attributes;
     }
 
-    protected function getPropertyName($attribute_definition)
+    public function getPropertyName($attribute_definition)
     {
         $property_name = 'value';
         if (!empty($attribute_definition['field_property'])) {
@@ -126,7 +130,7 @@ protected function getPropertyName($attribute_definition)
         return $property_name;
     }
 
-    protected function getAttributeName($attribute_definition)
+    public function getAttributeName($attribute_definition)
     {
         if (!empty($attribute_definition['attribute_name'])) {
             return $attribute_definition['attribute_name'];
diff --git a/src/Event/SetAttributesEvent.php b/src/Event/SetAttributesEvent.php
new file mode 100644
index 0000000..6a1077e
--- /dev/null
+++ b/src/Event/SetAttributesEvent.php
@@ -0,0 +1,71 @@
+<?php
+
+namespace SimpleSAML\Module\drupalauth\Event;
+
+use Drupal\Component\EventDispatcher\Event;
+use Drupal\user\UserInterface;
+use SimpleSAML\Module\drupalauth\DrupalHelper;
+
+/**
+ * Event that is fired after SAML attributes are set
+ */
+class SetAttributesEvent extends Event
+{
+    public const EVENT_NAME = 'simplesamlphp_drupalauth_set_attributes';
+
+
+    /**
+     * Contstruct the event.
+     *
+     * @param \SimpleSAML\Module\drupalauth\DrupalHelper $drupalHelper
+     * @param \Drupal\user\UserInterface $user
+     * @param array $attributes
+     */
+    public function __construct(
+        protected readonly DrupalHelper $drupalHelper,
+        protected readonly UserInterface $user,
+        protected readonly array $requestedAttributes,
+        protected array $attributes
+    ) {
+    }
+
+    /**
+     * Get the drupal helper.
+     */
+    public function getDrupalHelper(): DrupalHelper
+    {
+        return $this->drupalHelper;
+    }
+
+    /**
+     * Get the requested attributes.
+     */
+    public function getRequestedAttributes(): array
+    {
+        return $this->requestedAttributes;
+    }
+
+    /**
+     * Get user who logged in.
+     */
+    public function getUser(): UserInterface
+    {
+        return $this->user;
+    }
+
+    /**
+     * Get the attributes set.
+     */
+    public function getAttributes(): array
+    {
+        return $this->attributes;
+    }
+
+    /**
+     * Set the attributes.
+     */
+    public function setAttributes(array $attributes)
+    {
+        $this->attributes = $attributes;
+    }
+}