Redis configuration.

config/broadcasting.php

@@ -30,11 +30,16 @@ return [
 
         'pusher' => [
             'driver' => 'pusher',
-            'key'    => env('PUSHER_KEY'),
+            'key' => env('PUSHER_KEY'),
             'secret' => env('PUSHER_SECRET'),
             'app_id' => env('PUSHER_APP_ID'),
         ],
 
+        'redis' => [
+            'driver' => 'redis',
+            'connection' => 'default',
+        ],
+
     ],
 
 ];