diff --git a/src/Laracasts/Flash/FlashServiceProvider.php b/src/Laracasts/Flash/FlashServiceProvider.php
index 7ac3425..726a0d3 100644
--- a/src/Laracasts/Flash/FlashServiceProvider.php
+++ b/src/Laracasts/Flash/FlashServiceProvider.php
@@ -2,6 +2,7 @@
 
 namespace Laracasts\Flash;
 
+use Illuminate\Http\RedirectResponse;
 use Illuminate\Support\ServiceProvider;
 
 class FlashServiceProvider extends ServiceProvider
@@ -28,6 +29,20 @@ public function register()
         $this->app->singleton('flash', function () {
             return $this->app->make('Laracasts\Flash\FlashNotifier');
         });
+        
+        RedirectResponse::macro('withFlash', function ($message = null, $level = 'info', $important = false) {
+            $flash = app('flash');
+
+            if (!is_null($message)) {
+                $flash->message($message, $level);
+                
+                if ($important) {
+                    $flash->important();
+                }
+            }
+            
+            return $this;
+        });
     }
 
     /**