Add handler command for pinned_message

src/Commands/SystemCommands/PinnedmessageCommand.php

+<?php
+/**
+ * This file is part of the TelegramBot package.
+ *
+ * (c) Avtandil Kikabidze aka LONGMAN <akalongman@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Longman\TelegramBot\Commands\SystemCommands;
+
+use Longman\TelegramBot\Commands\SystemCommand;
+
+/**
+ * Pinned message command
+ */
+class PinnedmessageCommand extends SystemCommand
+{
+    /**
+     * @var string
+     */
+    protected $name = 'Pinnedmessage';
+
+    /**
+     * @var string
+     */
+    protected $description = 'Message was pinned';
+
+    /**
+     * @var string
+     */
+    protected $version = '1.0.0';
+
+    /**
+     * Execute command
+     *
+     * @return mixed
+     * @throws \Longman\TelegramBot\Exception\TelegramException
+     */
+    public function execute()
+    {
+        //$message = $this->getMessage();
+        //$pinned_message = $message->getPinnedMessage();
+
+        return parent::execute();
+    }
+}

src/Telegram.php

@@ -419,6 +419,7 @@ class Telegram
                 'new_chat_member',
                 'new_chat_photo',
                 'new_chat_title',
+                'pinned_message',
                 'supergroup_chat_created',
             ], true)
             ) {