Mysql SET in Yii2 migrations?

Question

Yii

Tell me, please, when adding a new field to the table using migration, I want to make the type SET (0,1,2,3).
How to specify it in yii2 ?
$this->addColumn('table', 'weekdays', $this->);

Answer 1

$this->addColumn('table', 'weekdays', 'SET(0,1,2,3)');