extract set data

	MbOutputTerminal out = getOutputTerminal("out");
		MbOutputTerminal alt = getOutputTerminal("alternate");

		MbMessage inMessage = inAssembly.getMessage();
		MbMessageAssembly outAssembly = null;
		try {
			// create new message as a copy of the input
			MbMessage outMessage = new MbMessage(inMessage);
			outAssembly = new MbMessageAssembly(inAssembly, outMessage);
			// ----------------------------------------------------------
			// Add user code below
			MbElement root = outMessage.getRootElement();
			MbElement rootLE = outAssembly.getLocalEnvironment().getRootElement();

			Object record = root.evaluateXPath("JSON/Data/data/tasks/Item");
			List<MbElement> records = (List<MbElement>) record;
			String tkiid = null;
			if (records.size() > 0) {
				for (MbElement el : records) {
					tkiid = el.getFirstElementByPath("tkiid").getValueAsString();
				}
			}

			rootLE.createElementAsLastChild(MbElement.TYPE_NAME_VALUE,"metrasys/tkiid", tkiid);

		String url="http://jasindo-bpmdev.telkomsigma.co.id:9081/rest/bpm/wle/v1/service/"+tkiid+"?action=setData&params=";
		String params = rootLE.getFirstElementByPath("metrasys/param").getValueAsString();
		url = url+params+"&x-method-override=GET";

		MbElement cabangHTTPRequest =  root.createElementAsLastChild(MbElement.TYPE_NAME,"HTTPRequestHeader",null);
		cabangHTTPRequest.createElementAsFirstChild(MbElement.TYPE_NAME_VALUE,"X-Original-HTTP-URL", url);

		String username = rootLE.getFirstElementByPath("metrasys/username").getValueAsString();
		String password = rootLE.getFirstElementByPath("metrasys/password").getValueAsString();

		  root.getFirstElementByPath("Properties/IdentitySourceType").setValue("usernameAndPassword");
            root.getFirstElementByPath("Properties/IdentitySourceToken").setValue(username);
            root.getFirstElementByPath("Properties/IdentitySourcePassword").setValue(password);