Create SSTP VPN connection on Windows with office options and PassThru option

Create-SSTP.ps1

$Vpn_Name = Read-Host -Prompt "Input desired VPN Name. Press enter to leave default [MY SSTP]"
if ([string]::IsNullOrWhiteSpace($Vpn_Name))
{
    $Vpn_Name = "MY SSTP"
}

Function Add-Country1Routing {
    # Add-VPNConnectionRoute -ConnectionName $Vpn_Name -DestinationPrefix "192.168.1.0/20" -PassThru
    # Add-VpnConnectionRoute -ConnectionName $Vpn_Name -DestinationPrefix "192.168.2.22/32" -PassThru
    # Add-VpnConnectionRoute -ConnectionName $Vpn_Name -DestinationPrefix "192.168.3.0/24" -PassThru
}

Function Add-Country2Routing {
    # Add-VPNConnectionRoute -ConnectionName $Vpn_Name -DestinationPrefix "192.168.1.0/20" -PassThru
    # Add-VpnConnectionRoute -ConnectionName $Vpn_Name -DestinationPrefix "192.168.2.22/32" -PassThru
    # Add-VpnConnectionRoute -ConnectionName $Vpn_Name -DestinationPrefix "192.168.3.0/24" -PassThru
}

Function Add-MyVPN {
    Add-VpnConnection -Name $Vpn_Name -ServerAddress $Server_Address -TunnelType "Sstp" -EncryptionLevel "Required" -AuthenticationMethod MSChapv2 -RememberCredential -SplitTunneling -DnsSuffix "mydomain.loc" -PassThru
}

$Title = "What is your office location?"
$Prompt = "Enter your choice"
$Choices = [System.Management.Automation.Host.ChoiceDescription[]] @("&BIG_Office", "&CoolOffice8)", "&PreatyOffice^^")
$Default = 1

$Choice = $host.UI.PromptForChoice($Title, $Prompt, $Choices, $Default)

switch($Choice)
{
    0 { 
        # Office 1
        $Server_Address = "office1.mydomain.loc"
        Add-MyVPN
        Add-Country1Routing
    }
    1 {
        # Office 2
        $Server_Address = "office2.mydomain.loc"
        Add-MyVPN
        Add-Country1Routing
    }
    2 {
        # Office 3
        $Server_Address = "office3.mydomain.loc"
        Add-MyVPN
        Add-Country2Routing
    }
}

#pause # use for debug
Write-Host "Success! Go to the Internet connections and connect to VPN via $Vpn_Name"