Left file: appwork-v1_3_1/laravel-starter/config/broadcasting.php  
Right file: appwork-v1_4_0/laravel-starter/config/broadcasting.php  
<?php = <?php
     
return [   return [
     
    /*       /*
    |--------------------------------------------------------------------------       |--------------------------------------------------------------------------
    | Default Broadcaster       | Default Broadcaster
    |--------------------------------------------------------------------------       |--------------------------------------------------------------------------
    |       |
    | This option controls the default broadcaster that will be used by the       | This option controls the default broadcaster that will be used by the
    | framework when an event needs to be broadcast. You may set this to       | framework when an event needs to be broadcast. You may set this to
    | any of the connections defined in the "connections" array below.       | any of the connections defined in the "connections" array below.
    |       |
    | Supported: "pusher", "redis", "log", "null"       | Supported: "pusher", "redis", "log", "null"
    |       |
    */       */
     
    'default' => env('BROADCAST_DRIVER', 'null'),       'default' => env('BROADCAST_DRIVER', 'null'),
     
    /*       /*
    |--------------------------------------------------------------------------       |--------------------------------------------------------------------------
    | Broadcast Connections       | Broadcast Connections
    |--------------------------------------------------------------------------       |--------------------------------------------------------------------------
    |       |
    | Here you may define all of the broadcast connections that will be used       | Here you may define all of the broadcast connections that will be used
    | to broadcast events to other systems or over websockets. Samples of       | to broadcast events to other systems or over websockets. Samples of
    | each available type of connection are provided inside this array.       | each available type of connection are provided inside this array.
    |       |
    */       */
     
    'connections' => [       'connections' => [
     
        'pusher' => [           'pusher' => [
            'driver' => 'pusher',               'driver' => 'pusher',
            'key' => env('PUSHER_APP_KEY'),               'key' => env('PUSHER_APP_KEY'),
            'secret' => env('PUSHER_APP_SECRET'),               'secret' => env('PUSHER_APP_SECRET'),
            'app_id' => env('PUSHER_APP_ID'),               'app_id' => env('PUSHER_APP_ID'),
            'options' => [               'options' => [
                'cluster' => env('PUSHER_APP_CLUSTER'),                   'cluster' => env('PUSHER_APP_CLUSTER'),
                'encrypted' => true, <>                 'useTLS' => true,
            ], =             ],
        ],           ],
     
        'redis' => [           'redis' => [
            'driver' => 'redis',               'driver' => 'redis',
            'connection' => 'default',               'connection' => 'default',
        ],           ],
     
        'log' => [           'log' => [
            'driver' => 'log',               'driver' => 'log',
        ],           ],
     
        'null' => [           'null' => [
            'driver' => 'null',               'driver' => 'null',
        ],           ],
     
    ],       ],
     
];   ];