use the markAsRead method directly on a collection

src/MessageCollection.php

@@ -0,0 +1,28 @@
+<?php
+
+namespace Chatify;
+
+use Illuminate\Database\Eloquent\Collection;
+
+class MessageCollection extends Collection
+{
+    /**
+     * Mark all notifications as read.
+     *
+     * @return void
+     */
+    public function markAsRead()
+    {
+        $this->each->markAsRead();
+    }
+
+    /**
+     * Mark all notifications as unread.
+     *
+     * @return void
+     */
+    public function markAsUnread()
+    {
+        $this->each->markAsUnread();
+    }
+}

src/Models/ChMessage.php

@@ -4,6 +4,8 @@
 
 use Illuminate\Database\Eloquent\Model;
 use Chatify\Traits\UUID;
+use Chatify\MessageCollection;
+
 
 class ChMessage extends Model
 {
@@ -94,4 +96,16 @@ public function scopeUnread(Builder $query)
     {
         return $query->where('seen', 0);
     }
+
+
+    /**
+     * Create a new database notification collection instance.
+     *
+     * @param  array  $models
+     * @return \Illuminate\Notifications\DatabaseNotificationCollection
+     */
+    public function newCollection(array $models = [])
+    {
+        return new MessageCollection($models);
+    }
 }