|string> */ public function rules(): array { return [ 'no' => 'required', 'business_name' => 'required|string', 'npwpd' => 'required|string', 'advertisement_type' => 'required|string', 'advertisement_content' => 'required|string', 'business_address' => 'required|string', 'advertisement_location' => 'required|string', 'village_name' => 'required', 'district_name' => 'required', 'length' => 'required', 'width' => 'required', 'viewing_angle' => 'required|string', 'face' => 'required|string', 'area' => 'required|string', 'angle' => 'required|string', 'contact' => 'required|string', ]; } }