RouteArgs

using System.Collections.Generic;
using System.Linq;
using Pulumi;
using AzureNative = Pulumi.AzureNative;
return await Deployment.RunAsync(() =>
{
    var route = new AzureNative.Network.Route("route", new()
    {
        AddressPrefix = "10.0.3.0/24",
        NextHopType = AzureNative.Network.RouteNextHopType.VirtualNetworkGateway,
        ResourceGroupName = "rg1",
        RouteName = "route1",
        RouteTableName = "testrt",
    });
});

package main
import (
	network "github.com/pulumi/pulumi-azure-native-sdk/network/v2"
	"github.com/pulumi/pulumi/sdk/v3/go/pulumi"
)
func main() {
	pulumi.Run(func(ctx *pulumi.Context) error {
		_, err := network.NewRoute(ctx, "route", &network.RouteArgs{
			AddressPrefix:     pulumi.String("10.0.3.0/24"),
			NextHopType:       pulumi.String(network.RouteNextHopTypeVirtualNetworkGateway),
			ResourceGroupName: pulumi.String("rg1"),
			RouteName:         pulumi.String("route1"),
			RouteTableName:    pulumi.String("testrt"),
		})
		if err != nil {
			return err
		}
		return nil
	})
}

package generated_program;
import com.pulumi.Context;
import com.pulumi.Pulumi;
import com.pulumi.core.Output;
import com.pulumi.azurenative.network.Route;
import com.pulumi.azurenative.network.RouteArgs;
import java.util.List;
import java.util.ArrayList;
import java.util.Map;
import java.io.File;
import java.nio.file.Files;
import java.nio.file.Paths;
public class App {
    public static void main(String[] args) {
        Pulumi.run(App::stack);
    }
    public static void stack(Context ctx) {
        var route = new Route("route", RouteArgs.builder()
            .addressPrefix("10.0.3.0/24")
            .nextHopType("VirtualNetworkGateway")
            .resourceGroupName("rg1")
            .routeName("route1")
            .routeTableName("testrt")
            .build());
    }
}

$ pulumi import azure-native:network:Route route1 /subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Network/routeTables/{routeTableName}/routes/{routeName}