Invite Array of friends to Facebook Dialog

Invite Array of friends to Facebook Dialog

    NSMutableDictionary* params = [[NSMutableDictionary alloc] init];
    
    if([invitations count] != 0){
        
        NSString * stringOfFriends = [invitations componentsJoinedByString:@","];
        
        [params setObject:stringOfFriends forKey:@"to"];
        
        NSLog(@"%@", params);
    }
    

    [FBWebDialogs presentRequestsDialogModallyWithSession:nil
                                                  message:[NSString stringWithFormat:@"Come join me on iFlipd!"]
                                                    title:nil
                                               parameters:params
                                                  handler:^(FBWebDialogResult result, NSURL *resultURL, NSError *error) {
                                                      if (error) {
                                                          // Case A: Error launching the dialog or sending request.
                                                          NSLog(@"Error sending request.");
                                                      } else {
                                                          if (result == FBWebDialogResultDialogNotCompleted) {
                                                              // Case B: User clicked the "x" icon
                                                              NSLog(@"User canceled request.");
                                                          } else {
                                                              NSLog(@"Request Sent. resultURL %@", resultURL);
                                                          }
                                                      }}];