public void execute(
      Environment env, Map params, TemplateModel[] loopVars, TemplateDirectiveBody body)
      throws TemplateException, IOException {

    String name = DirectiveUtils.getRequiredParam(params, "name");
    String encoding = DirectiveUtils.getParam(params, "encoding", null);
    String includeTemplateName = TemplateCache.getFullTemplatePath(env, getTemplatePath(env), name);
    env.include(includeTemplateName, encoding, true);
  }