ItrMenu::saveState

public function saveState(): bool
{
	if (
		!isset($this->menuState['message_id'])
		|| ($this->menuState['message_id'] !== $this->getMessageId())
	)
	{
		if ($this->getMessageId() > 0)
		{
			$this->menuState['message_id'] = $this->getMessageId();
		}
	}
	$this->getDialogSession($this->dialogId)->start([
		'GREETING_SHOWN' => 'Y',
		'MENU_STATE' => $this->menuState,
	]);

	return true;
}