upstream.getPublishersList().add(new BuildTrigger(
new BuildTriggerConfig(downstream.getFullName(), ResultCondition.SUCCESS, true, Arrays.<AbstractBuildParameters>asList(
new FileBuildParameters("properties.txt", "UTF-8", true, true, "axis1=value1", true)
))
));
upstream.save();
String upstreamName = upstream.getFullName();
WebClient wc = createWebClient();
submit(wc.getPage(upstream, "configure").getFormByName("config"));