Hi pararrayos,

If you are using MetaMod Pro then this should work, but may not with the free version. This is because with the Pro version you can use the $changes mechanism to address ANY module on the page, not just the ones you are returning from the MetaMod (which you aren't, in this case, so I expect you are using Pro).

To keep it simple I wouldn't use the $changes mechanism here. I'd simple put the MetaMod into the advert10 position, and do the following:


$instance_name = "shown_module_1";
if (!isset($_SESSION[$instance_name]) or $_SESSION[$instance_name] == false) {
  $_SESSION[$instance_name] = true;
  return 306;
}

(I also note that you were missing an important closing "}" in your PHP. That could have been part of the problem too).

Hope that helps,
Stephen

Mmmm... maybe I claim victory too fast...

Sorry Stephen, is this configuration right in this case?

Metamod: published in all pages and position advert10
Module 306: published in all pages and position 'fake'