diff --git a/README.md b/README.md
index ce765d9..dc1f314 100644
--- a/README.md
+++ b/README.md
@@ -51,7 +51,7 @@ Writing messages with extra data:
 ], 'category');
 ```
 
-### Extra callback
+### Extra/Tags callback
 
 `extraCallback` property can modify extra's data as callable function:
  
@@ -66,11 +66,18 @@ Writing messages with extra data:
                 // some manipulation with data
                 $extra['some_data'] = \Yii::$app->someComponent->someMethod();
                 return $extra;
-            }
+            },
+            'tagsCallback' => function ($message, $tags) {
+                // some manipulation with tags
+                $tags['custom_tag'] = \Yii::$app->someComponent->getTag();
+                return $tags;
+            }		
         ],
     ],
 ```
 
+
+
 ### Tags
 
 Writing messages with additional tags. If need to add additional tags for event, add `tags` key in message. Tags are various key/value pairs that get assigned to an event, and can later be used as a breakdown or quick access to finding related events.
diff --git a/src/SentryTarget.php b/src/SentryTarget.php
index 52c00e0..5de3701 100644
--- a/src/SentryTarget.php
+++ b/src/SentryTarget.php
@@ -47,6 +47,10 @@ class SentryTarget extends Target
      * @var callable Callback function that can modify extra's array
      */
     public $extraCallback;
+    /**
+     * @var callable Callback function that can modify tags array
+     */
+    public $tagsCallback;
 
     /**
      * @inheritDoc
@@ -145,12 +149,14 @@ public function export()
                     $data['extra']['context'] = parent::getContextMessage();
                 }
 
-                $data = $this->runExtraCallback($text, $data);
-
                 $scope->setUser($data['userData']);
+                
+                $data = $this->runExtraCallback($text, $data);
                 foreach ($data['extra'] as $key => $value) {
                     $scope->setExtra((string) $key, $value);
                 }
+                
+                $data = $this->runTagsCallback($text, $data);
                 foreach ($data['tags'] as $key => $value) {
                     if ($value) {
                         $scope->setTag($key, $value);
@@ -189,6 +195,23 @@ public function runExtraCallback($text, $data)
         return $data;
     }
 
+    /**
+     * Calls the tags callback if it exists
+     *
+     * @param mixed $text
+     * @param array $data
+     *
+     * @return array
+     */
+    public function runTagsCallback($text, $data)
+    {
+        if (is_callable($this->tagsCallback)) {
+            $data['tags'] = call_user_func($this->tagsCallback, $text, $data['tags'] ?? []);
+        }
+
+        return $data;
+    }    
+    
     /**
      * Returns the text display of the specified level for the Sentry.
      *