messages implemented

app/Events/MessageSent.php

@@ -0,0 +1,19 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Events;
+
+use Illuminate\Foundation\Events\Dispatchable;
+use Illuminate\Queue\SerializesModels;
+
+class MessageSent
+{
+    use Dispatchable, SerializesModels;
+
+    public function __construct(
+        public int $conversationId,
+        public int $messageId,
+        public int $senderId,
+    ) {}
+}