public List<WorkflowActionletParameter> getParameters() {
if (paramList == null) {
synchronized (this.getClass()) {
if (paramList == null) {
paramList = new ArrayList<WorkflowActionletParameter>();
paramList.add(new MultiEmailParameter("approvers", "User IDs or Emails", null, true));
paramList.add(new WorkflowActionletParameter("emailSubject", "Email Subject", "Multiple Approval Required", false));
paramList.add(new WorkflowActionletParameter("emailBody", "Email Message", null, false));
}
}