|string> */ public function rules(): array { return [ 'nomor_pelanggan' => ['required', 'string'], 'kota_pelayanan' => ['required', 'string'], 'nama' => ['required', 'string'], 'alamat' => ['required', 'string'], 'latitude' => ['required', 'numeric', 'between:-90,90'], 'longitude' => ['required', 'numeric', 'between:-180,180'], ]; } }