StartFormHandler startFormHandler;
String startFormHandlerClassName = startEventElement.attributeNS(BpmnParser.ACTIVITI_BPMN_EXTENSIONS_NS, "formHandlerClass");
if (startFormHandlerClassName != null) {
startFormHandler = (StartFormHandler) ReflectUtil.instantiate(startFormHandlerClassName);
} else {
startFormHandler = new DefaultStartFormHandler();
}
startFormHandler.parseConfiguration(startEventElement, deployment, processDefinition, this);
processDefinition.setStartFormHandler(startFormHandler);
}