'required', 'level' => 'required|in:0,1,2', 'message' => 'required' ]; } public function messages() { return [ 'subject.required' => __('Ticket subject cannot be empty'), 'level.required' => __('Ticket level cannot be empty'), 'level.in' => __('Incorrect ticket level format'), 'message.required' => __('Message cannot be empty') ]; } }