diff --git a/README.md b/README.md
index 012c4bf..ae996ce 100644
--- a/README.md
+++ b/README.md
@@ -54,8 +54,9 @@ You can easily send a message to all registered users with the command
     OneSignal::sendNotificationToAll("Some Message");
     OneSignal::sendNotificationToAll("Some Message", $url);
     OneSignal::sendNotificationToAll("Some Message", $url, $data);
+    OneSignal::sendNotificationToAll("Some Message", $url, $data, $buttons);
     
-`$url` and `$data` fields are exceptional. If you provide a `$url` parameter, users will be redirecting to that url.
+`$url` , `$data` and `$buttons` fields are exceptional. If you provide a `$url` parameter, users will be redirecting to that url.
     
 
 ### Sending a Notification To A Specific User
@@ -65,9 +66,10 @@ After storing a user's tokens in a table, you can simply send a message with
     OneSignal::sendNotificationToUser("Some Message", $userId);
     OneSignal::sendNotificationToUser("Some Message", $userId, $url);
     OneSignal::sendNotificationToUser("Some Message", $userId, $url, $data);
+    OneSignal::sendNotificationToUser("Some Message", $userId, $url, $data, $buttons);
     
 `$userId` is the user's unique id where he/she is registered for notifications. Read https://documentation.onesignal.com/docs/website-sdk-api#getUserId for additional details.
-`$url` and `$data` fields are exceptional. If you provide a `$url` parameter, users will be redirecting to that url.
+`$url` , `$data` and `$buttons` fields are exceptional. If you provide a `$url` parameter, users will be redirecting to that url.
 
 
 ### Sending a Notification To Segment
@@ -77,8 +79,9 @@ You can simply send a notification to a specific segment with
     OneSignal::sendNotificationToSegment("Some Message", $segment);
     OneSignal::sendNotificationToSegment("Some Message", $segment, $url);
     OneSignal::sendNotificationToSegment("Some Message", $segment, $url, $data);
+    OneSignal::sendNotificationToSegment("Some Message", $segment, $url, $data, $buttons);
     
-`$url` and `$data` fields are exceptional. If you provide a `$url` parameter, users will be redirecting to that url.
+`$url` , `$data` and `$buttons` fields are exceptional. If you provide a `$url` parameter, users will be redirecting to that url.
 
 ### Sending a Custom Notification
 
diff --git a/config/onesignal.php b/config/onesignal.php
index 878ac73..8eb3448 100644
--- a/config/onesignal.php
+++ b/config/onesignal.php
@@ -19,5 +19,5 @@
 	|
 	*/
     'rest_api_key' => 'YOUR-REST-API-KEY-HERE',
-    'user_auth_key' => 'YOUR-'
+    'user_auth_key' => 'YOUR-USER-AUTH-KEY'
 );
\ No newline at end of file
diff --git a/src/OneSignalClient.php b/src/OneSignalClient.php
index b2fa78d..0085360 100644
--- a/src/OneSignalClient.php
+++ b/src/OneSignalClient.php
@@ -16,6 +16,7 @@ class OneSignalClient
     private $appId;
     private $restApiKey;
     private $userAuthKey;
+    private $additionalParams;
 
     /**
      * @var bool
@@ -58,6 +59,7 @@ public function __construct($appId, $restApiKey, $userAuthKey)
 
         $this->client = new Client();
         $this->headers = ['headers' => []];
+        $this->additionalParams = [];
     }
 
     public function testCredentials() {
@@ -72,7 +74,21 @@ private function usesJSON() {
         $this->headers['headers']['Content-Type'] = 'application/json';
     }
 
-    public function sendNotificationToUser($message, $userId, $url = null, $data = null) {
+    public function addParams($params = [])
+    {
+        $this->additionalParams = $params;
+
+        return $this;
+    }
+
+    public function setParam($key, $value)
+    {
+        $this->additionalParams[$key] = $value;
+
+        return $this;
+    }
+
+    public function sendNotificationToUser($message, $userId, $url = null, $data = null, $buttons = null) {
         $contents = array(
             "en" => $message
         );
@@ -91,10 +107,14 @@ public function sendNotificationToUser($message, $userId, $url = null, $data = n
             $params['data'] = $data;
         }
 
+        if (isset($button)) {
+            $params['buttons'] = $buttons;
+        }
+
         $this->sendNotificationCustom($params);
     }
 
-    public function sendNotificationToAll($message, $url = null, $data = null) {
+    public function sendNotificationToAll($message, $url = null, $data = null, $buttons = null) {
         $contents = array(
             "en" => $message
         );
@@ -113,10 +133,14 @@ public function sendNotificationToAll($message, $url = null, $data = null) {
             $params['data'] = $data;
         }
 
+        if (isset($button)) {
+            $params['buttons'] = $buttons;
+        }
+
         $this->sendNotificationCustom($params);
     }
 
-    public function sendNotificationToSegment($message, $segment, $url = null, $data = null) {
+    public function sendNotificationToSegment($message, $segment, $url = null, $data = null, $buttons = null) {
         $contents = array(
             "en" => $message
         );
@@ -135,6 +159,10 @@ public function sendNotificationToSegment($message, $segment, $url = null, $data
             $params['data'] = $data;
         }
 
+        if (isset($button)) {
+            $params['buttons'] = $buttons;
+        }
+
         $this->sendNotificationCustom($params);
     }
 
@@ -156,7 +184,10 @@ public function sendNotificationCustom($parameters = []){
             $parameters['included_segments'] = ['all'];
         }
 
+        $parameters = array_merge($parameters, $this->additionalParams);
+
         $this->headers['body'] = json_encode($parameters);
+        $this->headers['buttons'] = json_encode($parameters);
         $this->headers['verify'] = false;
         return $this->post(self::ENDPOINT_NOTIFICATIONS);
     }
diff --git a/src/OneSignalServiceProvider.php b/src/OneSignalServiceProvider.php
index b1698c1..50bca43 100644
--- a/src/OneSignalServiceProvider.php
+++ b/src/OneSignalServiceProvider.php
@@ -14,13 +14,12 @@ class OneSignalServiceProvider extends ServiceProvider
     public function boot()
     {
         $configPath = __DIR__ . '/../config/onesignal.php';
-        $app = $this->app;
-        
-        if (class_exists('Illuminate\Foundation\Application') && $app instanceof LaravelApplication && $app->runningInConsole()) {
-            $this->publishes([$configPath => config_path('onesignal.php')]);
-            $this->mergeConfigFrom($configPath, 'onesignal');
-        } else if ( class_exists('Laravel\Lumen\Application', false) ) {
-            $app->configure('onesignal');
+
+        $this->publishes([$configPath => config_path('onesignal.php')]);
+        $this->mergeConfigFrom($configPath, 'onesignal');
+
+        if ( class_exists('Laravel\Lumen\Application') ) {
+            $this->app->configure('onesignal');
         }
     }