DSCResources/xNetworking/2.12.0.0/Examples/Sample_xRoute_AddRoute.ps1

configuration Sample_xRoute_AddRoute
{
    param
    (
        [string[]]$NodeName = 'localhost'
    )

    Import-DSCResource -ModuleName xNetworking

    Node $NodeName
    {
        xRoute NetRoute1
        {
            Ensure = 'Present'
            InterfaceAlias = 'Ethernet'
            AddressFamily = 'IPv4'
            DestinationPrefix = '192.168.0.0/16'
            NextHop = '192.168.120.0'
            RouteMetric = 200
        }
    }
 }

Sample_xRoute_AddRoute
Start-DscConfiguration -Path Sample_xRoute_AddRoute -Wait -Verbose -Force