Is there a Google Map event listener for panning or zooming map?

Question

I want to be able to detect if the user has zoomed out or moved the map center. I have seen post about an event listener but in Javascript and I am trying to see if there is any

Answer 1

Swift

extension MyMapViewController:GMSMapViewDelegate {

    func mapView(_ mapView: GMSMapView, didChange position: GMSCameraPosition) {
        //do something
    }
}