update

projects/priceservice/vendor/symfony/maker-bundle/templates/message/MessageHandler.tpl.php

@@ -0,0 +1,14 @@
+<?= "<?php\n" ?>
+
+namespace <?= $namespace; ?>;
+
+<?= $use_statements; ?>
+
+#[AsMessageHandler]
+final class <?= $class_name ?>
+{
+    public function __invoke(<?= $message_class_name ?> $message): void
+    {
+        // do something with your message
+    }
+}