in Yii2 advanced template after redirecting flashes doesnt work

in Yii2 advanced template after redirecting flashes doesnt work

Here is the code


    

    public function actionTest()

    {

        Yii::$app->getSession()->setFlash('qwe', 'qwe');

        return $this->redirect(['site/test2']);

    }

    public function actionTest2()

    {

        echo Yii::$app->getSession()->getFlash('qwe').'--++';

    }



in not advanced template it works. But in advanced template doesnt work.

Only availble parameters are

1.success

2.warning

3.danger

4.info

5.error

Yii::$app->session()->setFlash(‘success’, ‘Like this’);//use lowercase for parameters

.

Check in view/layout/main.php

AlertWidget is called or not.

if not Include this code and Name space.


<?php use frontend\widgets\Alert; ?>

<?= Alert::widget() ?>