/**
* @param ActiveRecord $model
* @param string $field relation name
* @param ActiveQuery $relation
* @return array grid column definition
*/
protected static function getRelationColumn($model, $field, $relation)
{
return ['attribute' => $field, 'format' => ['crudLink', ['data-pjax' => '0']], 'visible' => true, 'label' => $model->getRelationLabel($relation, $field)];
}