diff --git a/README.md b/README.md
index 7432f86..3ae364e 100644
--- a/README.md
+++ b/README.md
@@ -66,6 +66,13 @@ add Font-awesome cdn for font-awesome plugin
 <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css">
 ```
 
+To add the license key for the whole yii2-project add this to params-local.php: 
+```php
+return [
+    'froala_license' => 'my-froala-license',
+];
+```
+
 ## Upload example
 
 Using the basic Yii template make a new folder under /web/ called uploads.
diff --git a/src/FroalaEditorWidget.php b/src/FroalaEditorWidget.php
index 1bfa14f..cc57474 100644
--- a/src/FroalaEditorWidget.php
+++ b/src/FroalaEditorWidget.php
@@ -92,6 +92,12 @@ public function registerClientScript()
         if ($langType != 'es_gb') {
             $view->registerJsFile("{$asset->baseUrl}/js/languages/{$langType}.js", ['depends' => '\froala\froalaeditor\FroalaEditorAsset']);
         }
+        
+        // license key
+        if(isset(Yii::$app->params['froala_license'])){
+            $this->clientOptions['key'] = Yii::$app->params['froala_license'];
+            $this->clientOptions['attribution'] = false;
+        }
 
         $id = $this->options['id'];
         if (empty($this->clientPlugins)) {