play japid Why can't we use variable parameters

Question

@String idBase="[sys]/prmode/add";
@String htmlName="addDept";
@Strig title="add";
@extends japidviews.web.bk._main.html(title,htmlName,idBase)

Japid Compilation Error japidviews/web/bk/prmode/addDept.java(68): The field _main.title is not visible

public cn.bran.japid.template.RenderResult render() {

67      long __t = -1;

68      try {super.layout(title,htmlName,idBase);} catch (RuntimeException e) {    super.handleException(e);} 

69      return new cn.bran.japid.template.RenderResultPartial(getHeaders(), getOut(), __t, actionRunners, sourceTemplate);

70  }

Answer 1

You wrote Strig title instead of String title.