I would like to implement feature that if profileImage tapped in tableviewCell, segue to detailView. I add tapGesture but I still can't figure out how to get indexPath to pass data. 
I tried like this but app will crash.

```
    override func prepare(for segue: UIStoryboardSegue, sender: Any?) {

        if segue.identifier == "detailSegue" {
            let next: DetailViewController = segue.destination as! DetailViewController
          // pattern1
 let indexPath = tableView.indexPath(for: sender as! CustomTableViewCell)
         // pattern2
        let indexPath = tableView.indexPathForSelectedRow! as NSIndexPath

            next.data = datas[indexPath.row]
        }
    }

```

How can I fix this? Thank you in advance!