Question

How can I do this.. The following fan page tab application has this functionality.

http://www.facebook.com/iebschool?v=app_140944359256268

click on the fourth tab and it will ask for extended permission.. am not sure how to do this.. please help

Answer 1

There is a fbml tag for that:

fb:prompt-permission

Example:

<fb:prompt-permission perms="email">
  Would you like to receive email from our application?
</fb:prompt-permission>