CLLocationManager Set up

.swift

import UIKit
import CoreLocation

class ViewController: UIViewController {
    
    private let locationManager = CLLocationManager()
    
    override func viewDidLoad() {
        super.viewDidLoad()
        locationManager.delegate = self //Set our controller as delegate
        locationManager.desiredAccuracy = kCLLocationAccuracyBest //Switch location manager in best accuracy mode
        locationManager.requestAlwaysAuthorization() //Ask user permissions about location detection
        locationManager.startUpdatingLocation() //Start user location detection
    }


}