How to pass array to dropDownList Yii2 Active Form?

Question

Yii

Good afternoon!
How to pass array to dropDownList Yii2 ActiveForm?
Here is the code:

<?= $form->field($model, 'tags')->dropDownList($tags,['options'=>[$selectedTags=>['Selected'=>true]],'multiple' => true]) ?>

Here's how to make multiple items in a dropDownList be selected ?

Answer 1

$tags - pass the key-value array there