Left file: appwork-v1_3_1/laravel-vue-starter/config/broadcasting.php  
Right file: appwork-v1_4_0/laravel-vue-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',
],		],
],		],
];		];