mall/modules/client/controllers/v1/cashier/BaseController.php

<?php

namespace app\modules\client\controllers\v1\cashier;

use app\modules\client\behaviors\CashierAdminAuth;
use yii\helpers\ArrayHelper;

class BaseController extends \app\modules\client\controllers\BaseController
{
    public $md_id = 0;
    public function behaviors()
    {
        $merge = [
            [
                'class' => CashierAdminAuth::class,
            ]
        ];
        return ArrayHelper::merge($merge, parent::behaviors());
    }

}