Closes a changeSet and adds requests to new changeSet.
BatchRequest *batch = [[BatchRequest alloc] initWithURL:[[NSURL alloc] initWithString:[NSString stringWithFormat:"%$batch",applicationEndpoint]]]; [batch addRequestToChangeset:postRequest1]; [batch closeExistingChangeSet]; [batch addRequestToChangeset:postRequest2]; [batch setUsername:user]; [batch setPassword:pass]; [batch startSynchronous];