enable-router.cs

var routerConfiguation = new RouterConfiguration("Router");

routerConfiguation.AddInterface<MsmqTransport>("MSMQ").DisableMessageDrivenPublishSubscribe();
routerConfiguation.AddInterface<SqlServerTransport>("SQL", t => t.ConnectionString(myConnectionString)).DisableMessageDrivenPublishSubscribe();
routerConfiguation.Chains.AddRule(c => new MetricsPreroutingTerminator("MSMQ", "Particular.Monitoring@some-machine"));
routerConfiguation.UseStaticRoutingProtocol();

var router = Router.Create(routerConfiguation);

await router.Start().ConfigureAwait(false);


class MetricsPreroutingTerminator : ChainTerminator<PreroutingContext>
{
    string metricsEndpoint;
    string metricsInterface;

    public MetricsPreroutingTerminator(string metricsInterface, string metricsEndpoint)
    {
        this.metricsEndpoint = metricsEndpoint;
        this.metricsInterface = metricsInterface;
    }

    protected override async Task<bool> Terminate(PreroutingContext context)
    {
        if (context.Headers.TryGetValue(Headers.EnclosedMessageTypes, out var messageTypes)
            && messageTypes == "NServiceBus.Metrics.EndpointMetadataReport")
        {
            var interfaces = context.Extensions.Get<IInterfaceChains>();
            await interfaces.GetChainsFor(metricsInterface).Get<AnycastContext>()
                .Invoke(new AnycastContext(metricsEndpoint, new OutgoingMessage(context.MessageId, context.Headers.Copy(), context.Body), DistributionStrategyScope.Send,  context))
                .ConfigureAwait(false);

            return true;
        }

        return false;
    }
}