Where do I find the token properties "advanced" tab?

Am looking for the token properties settings interface. Am talking about the tokens appearing in the extractor patterns. For example...

Leading Pattern~@MyToken@~Trailing Pattern

I understand there is a Token Properties settings page and that it has an "Advanced" settings tab. Can someone tell me how to navigate to it? I see an "Advanced" tab in the scraping session user interface. But I'm having trouble finding a Token Properties settings page and its "Advanced" settings tab.

Thanks.

Double click the token to get

Double click the token to get the properties (this is where you put in RegEx or mark as session variable), and in Professional and Enterprise editions you will see a tab at the top of that box that shows "advanced".