/**
* @param Laralist $list
* @param string $field
* @param string $keyField
* @param string $label
*/
function __construct(Laralist $list, $field, $keyField = null, $label = null)
{
$relation = $list->getCallable($list->model, $field, false);
if (!isset($keyField)) {
$keyField = $relation->getKeyName();
}
parent::__construct($list, $field, $relation->newQuery()->lists($list->getRelationField($field), $keyField), $label);
}
