согласно руководству разработчика Facebook вы можете получить доступ следующими способами:
> // Query to fetch the active user's friends, limit to 25.
> NSString *query =
> @"SELECT uid, name, pic_square FROM user WHERE uid IN "
> @"(SELECT uid2 FROM friend WHERE uid1 = me() LIMIT 25)";
> // Set up the query parameter
> NSDictionary *queryParam =
> [NSDictionary dictionaryWithObjectsAndKeys:query, @"q", nil];
> // Make the API request that uses FQL
> [FBRequestConnection startWithGraphPath:@"/fql"
> parameters:queryParam
> HTTPMethod:@"GET"
> completionHandler:^(FBRequestConnection *connection,
> id result,
> NSError *error) {
> if (error) {
> NSLog(@"Error: %@", [error localizedDescription]);
> } else {
> NSLog(@"Result: %@", result);
> }
> }];