origin
An optional starting point for routing directions.
Declaration
origin?: Coordinate | Place;Discussion
If you use Coordinate to request directions with route(request, callback), MapKit JS returns a mapkit.Coordinate in the direction’s response. If you use a string or a Place to request directions, the property may be null or a Place instance.
When MapKit JS returns a Place instance, it may contain additional details that weren’t included in the original item used to request directions.