Challenge 2 / 2

Which of the following code is correct for adding a "Show" link to the index page?

public function configureCrud(Crud $crud): Crud
{
    return $crud->addAction(Crud::PAGE_INDEX, Action::DETAIL);
}

public function configureActions(Actions $actions): Actions
{
    return $actions->add(Action::DETAIL, Crud::PAGE_INDEX);
}

public function configureCrud(Crud $crud): Crud
{
    return $crud->addAction(Action::DETAIL, Crud::PAGE_INDEX);
}

public function configureActions(Actions $actions): Actions
{
    return $actions->add(Crud::PAGE_INDEX, Action::DETAIL);
}