Third party status poll

NSString *clientSessionId = @"<clientSessionId from Create Session>";
NSString *customerId = @"<customerId from Create Session>";
NSString *baseURL = @"<clientApiUrl from Create Session>";
NSString *assetBaseURL = @"<assetUrl from Create Session>";
NSString *appIdentifier = @"<your app name>";

ICSession *session = [ICSession sessionWithClientSessionId:clientSessionId
                                                customerId:customerId
                                                   baseURL:baseURL
                                              assetBaseURL:assetBaseURL
                                             appIdentifier:appIdentifier];

// Retrieve this ID with a createPayment call that you have done via the S2S API
NSString *paymentId = @"<id of the current payment>";

[session thirdPartyStatusForPayment:paymentId success:^(ICThirdPartyStatusResponse *thirdPartyStatusResponse) {
    // Process third party  	status
} failure:^(NSError *error) {
    DLog(@"Error while retrieving third party payment status: %@, [error localizedDescription]);
}];

{
    "thirdPartyStatus" : "WAITING"
}