use event

src/Dashboard/EventHandler.php

@@ -0,0 +1,8 @@
+<?php
+
+namespace BeyondCode\LaravelWebSockets\Dashboard;
+
+class EventHandler
+{
+    //TODO: listen for events, pass them to Dashboard:: methods
+}

src/Events/ChannelVacated.php

@@ -5,10 +5,10 @@ namespace BeyondCode\LaravelWebSockets\Events;
 class ChannelVacated
 {
     /** @var \BeyondCode\LaravelWebSockets\Events\ConnectionInterface */
-    protected $connection;
+    public $connection;
 
     /** @var string */
-    protected $channelId;
+    public $channelId;
 
     public function __construct(ConnectionInterface $connection, string $channelId)
     {

src/LaravelEcho/Pusher/Channels/Channel.php

@@ -2,6 +2,7 @@
 
 namespace BeyondCode\LaravelWebSockets\LaravelEcho\Pusher\Channels;
 
+use BeyondCode\LaravelWebSockets\Events\ChannelVacated;
 use BeyondCode\LaravelWebSockets\LaravelEcho\Pusher\Dashboard;
 use BeyondCode\LaravelWebSockets\LaravelEcho\Pusher\Exceptions\InvalidSignatureException;
 use Illuminate\Support\Collection;
@@ -59,6 +60,7 @@ class Channel
         unset($this->subscriptions[$connection->socketId]);
 
         if (! $this->hasConnections()) {
+            event(new ChannelVacated($connection, $this->channelId));
             Dashboard::vacated($connection, $this->channelId);
         }
     }