Complex Conditional Validation in Laraship

Complex Conditional Validation is explained below: https://readouble.com/laravel/5.5/en/validation.html#conditionally-adding-rules In Larship, When I do this, how do I code sometimes method at rules() function? Please tell me to use below code: $v->sometimes('reason', 'required|max:500', function ($input) { return $input->games >= 100; });