The options available for refreshing the current primary NavigationRoute, as well as the alternatives. Each refresh will update:
This includes traffic congestion and estimated travel time. Make sure that RouteOptions.enableRefresh is true to take advantage of this feature.
In case of a route refresh failing for
3 * intervalMillis (default is 15 min), expired incidents and congestion annotations will be removed from the route in order to avoid presenting non-critical, outdated information. Closures are not cleared automatically, only upon information from a successful refresh.
The refresh interval in milliseconds, default is 5 min.