https://stackoverflow.com/q/72264168/1271826

ViewController.swift

import UIKit
import os.log

private let logger = Logger(subsystem: "MyApp", category: "ViewController")

class ViewController: UIViewController {

    override func viewDidLoad() {
        super.viewDidLoad()

        let longPress = UILongPressGestureRecognizer(target: self, action: #selector(handleLongPress(_:)))
        view.addGestureRecognizer(longPress)
        view.isUserInteractionEnabled = true
    }

    @objc func handleLongPress(_ gesture: UILongPressGestureRecognizer) {
        let state = gesture.state
        logger.debug("event: \(state)")
        DispatchQueue.main.asyncAfter(deadline: .now() + 1) {
            logger.debug("one second later: \(state)")
        }
    }
}

extension UIGestureRecognizer.State: CustomStringConvertible {
    public var description: String {
        switch self {
        case .possible:   return "possible"
        case .began:      return "began"
        case .changed:    return "changed"
        case .ended:      return "ended"
        case .cancelled:  return "cancelled"
        case .failed:     return "failed"
        @unknown default: return "default"
        }
    }
}