Requesting Extended Permissions

Read Permissions - User
 
 
 
 
     
 
 
Read Permissions - Friends
 
 
 
 
     
Write Permissions
     
Page Permissions      
* the complete list of ext perm and their descriptions is here

Function to be invoked by clicking the "Grant Permission" Button: 
 FB.login(function(response) {
   if (response.authResponse) {
       // user has granted the permissions
   } else {
      // User cancelled login or did not fully authorize.
   }
 }, {scope: });