namespace Drupal\dummy\Plugin\views\field;

use Drupal\Core\Form\FormStateInterface;
use Drupal\views\Plugin\views\field\FieldPluginBase;
use Drupal\views\ResultRow;

/**
 * @ingroup views_field_handlers
 *
 * @ViewsField("dummy_created_relative")
 */
class DummyCreatedRelative extends FieldPluginBase {

  /**
   * {@inheritdoc}
   */
  public function query() {
    // We don't need to modify query for this particular example.
  }

 
  /**
   * {@inheritdoc}
   */
  public function render(ResultRow $values) {
   $location = \Drupal::service('smart_ip.smart_ip_location');
    $locat = $location->get('city');

    return [
      '#markup' => $locat,
    ];
 

  }

}