title: How do you add an annotation at your current location with a button click
body: <p>So I want to make a button that sets an annotation at your current location. I have all of my map stuff and core location code working it is just the button. Here is my button function code:                                                </p>
  
  <pre><code>@IBAction func addAnnotation(_ sender: UIButton) {
      CLLocationManager().startUpdatingLocation()
      let annotation = MKPointAnnotation()
      // Set the annotation by the lat and long variables
      annotation.coordinate = CLLocationCoordinate2D(latitude: 0.0, longitude: 0.0)
      annotation.title = "User location"
      self.map.addAnnotation(annotation)
  }
  </code></pre>
  
  <p>Right now, I When I run this code I get a SIGABRT Error in my AppDelegate.swift. Please Help.</p>