Mailing list subscription

gistfile1.txt

    _chimpKit = [[ChimpKit alloc] initWithDelegate:self andApiKey:@"APIKEY"];
    NSDictionary *mergeVars = @{
                                @"FNAME"          : @"Code name",
                                @"EMAIL"          : @"[email protected]",
                                @"BIRTHDAY"       : @"dd-MM-yyyy",
                                @"GENDER"         : @"male", // or 'female'
                                @"LANGUAGE"       : NSLocalizedString(@"Key", nil), // localized string
                                @"MC_LANGUAGE"    : NSLocalizedString(@"HFXMailchimpLanguageString", nil), // localized string
                                @"SUBSCRIBE"      : @"yes", // or 'no'
                               };
    NSDictionary *params = @{
                             @"id"                : @"MAILINGLISTID",
                             @"update_existing"   : @"true",
                             @"email_address"     : [mergeVars valueForKey:@"EMAIL"],
                             @"double_optin"      : @"false",
                             @"send_welcome"      : @"true",
                             @"merge_vars"        : mergeVars, 
                             };
    [_chimpKit callApiMethod:@"listSubscribe" withParams:params];