qimall/common/events/user/UserPositionChangeEvent.php

<?php
namespace common\events\user;
use common\components\BaseEvent;
use common\enums\EventNameEnum;

class UserPositionChangeEvent extends BaseEvent {
    public $name = EventNameEnum::USER_POSITION_CHANGE;
    public $mall_id = 0;
    public $listeners = array(
        'common\listeners\user\UserPositionListener',
    );
}