UserSearchViewController.swift

func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
  if let friendID = resultsArray[indexPath.row]["displayname"] {
      performSegue(withIdentifier: "showChat", sender: friendID)
  }


  tableView.deselectRow(at: indexPath, animated: true)
}


override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
  if segue.identifier == "showChat" {
      if let friendID = sender as? String, let destination = segue.destination as? ChatViewController {
          destination.friendID = friendID
      }
  }
}