Google maps native marker click event not firing

I cannot get this listener to fire. Any suggestions? I feel like I have tried everything. Thanks

"cordova-plugin-googlemaps": "^2.0.11"

The marker is added to the map but the click event does not fire the alert.

        let latlng = new LatLng(, spot.long);
        let markerOptions: MarkerOptions = {
            'position': latlng,
            'animation': 'drop'

 Marker) => {
            marker.addEventListener(GoogleMapsEvent.MARKER_CLICK).subscribe(e => {