public function handle($event, $payload)
    {
        list($model) = $payload;
        
        if (!empty($model->locale)
            && empty($model->locale_group)
            && !is_a($model, Element::class) // Elements don't have groups
            && ($locales = Config::get('decoy.site.locales'))
            && count($locales) > 1) {
            $model->setAttribute('locale_group', Str::random());
        }
    }