YII2 Gridview how to add jui datepicker in filter

[

'attribute'=> 'slot_date',

'value'=> 'slot_date',

'filter'=> \yii\jui\DatePicker::widget([

'language'=> 'en',

'dateFormat'=> 'yyyy-MM-dd',

'model'=> $searchModel,

'attribute'=> 'slot_date',
]    ),

'format'=> 'html',

],