'required', 'cycle' => 'required|in:month_price,quarter_price,half_year_price,year_price,two_year_price,three_year_price,onetime_price,reset_price' ]; } public function messages() { return [ 'plan_id.required' => __('Plan ID cannot be empty'), 'cycle.required' => __('Plan cycle cannot be empty'), 'cycle.in' => __('Wrong plan cycle') ]; } }