Support/EventListener/TicketAttachmentEventListener.php
protected function updateMessage(TicketMessageInterface $message)
    {
        $message->setUpdatedAt(new \DateTime());

        $this->persistenceHelper->persistAndRecompute($message, true);
    }
protected function updateMessage(TicketMessageInterface $message)
    {
        $message->setUpdatedAt(new \DateTime());

        $this->persistenceHelper->persistAndRecompute($message, true);
    }
Updates the message.

@param TicketMessageInterface $message