<?xml version="1.0" encoding="utf-8"?>
<Game configVersion="1">
    <!-- Existing Identity, ShellVisuals, ExecutableList, StoreId, etc. -->

    <StoreId>9NZTKMP36L8J</StoreId>

    <PublisherContent>
        <ManifestUrl>https://example.com/space-raiders/pubxvc/console/manifest.json</ManifestUrl>
    </PublisherContent>
</Game>

<?xml version="1.0" encoding="utf-8"?>
<Game configVersion="1">
    <Identity Name="ContosoStudios.SpaceRaiders.PublisherContent"
              Publisher="CN=REPLACE_WITH_YOUR_PUBLISHER"
              Version="1.0.0.0"/>

    <ShellVisuals DefaultDisplayName="Space Raiders Publisher Content"
                  PublisherDisplayName="Contoso Studios"
                  StoreLogo="StoreLogo.png"
                  Square150x150Logo="Logo.png"
                  Square44x44Logo="SmallLogo.png"
                  Description="Publisher-hosted content for Space Raiders."
                  BackgroundColor="#000040"
                  SplashScreenImage="SplashScreen.png"/>

    <PublisherContentBaseProduct>9NZTKMP36L8J</PublisherContentBaseProduct>
</Game>

{
    "url": "https://example.com/space-raiders/pubxvc/console/space-raiders-pubxvc-v2.30.1.xvc"
}

Add-Type -AssemblyName System.Security

$keyName = "MyTestPubXvcSigningKey"
$providerName = "Microsoft Software Key Storage Provider"

$cngParams = [System.Security.Cryptography.CngKeyCreationParameters]::new()
$cngParams.Provider     = [System.Security.Cryptography.CngProvider]::new($providerName)
$cngParams.KeyUsage     = [System.Security.Cryptography.CngKeyUsages]::Signing
$cngParams.ExportPolicy = [System.Security.Cryptography.CngExportPolicies]::AllowExport

<# Use an RSA-4096 key. #>
$len = [System.Security.Cryptography.CngProperty]::new(
    "Length", [BitConverter]::GetBytes([int]4096),
    [System.Security.Cryptography.CngPropertyOptions]::None)
$cngParams.Parameters.Add($len)

$key = [System.Security.Cryptography.CngKey]::Create(
    [System.Security.Cryptography.CngAlgorithm]::Rsa, $keyName, $cngParams)

Write-Host "Created CNG key '$keyName' in the $providerName."

$subject = "CN=MyTestPubXvcSigningCertificate"
$certificatePath = Join-Path $PWD "MyTestPubXvcSigningCertificate.cer"

$certificate = New-SelfSignedCertificate `
    -Subject $subject `
    -CertStoreLocation "Cert:\CurrentUser\My" `
    -Provider "Microsoft Software Key Storage Provider" `
    -KeyAlgorithm RSA `
    -KeyLength 4096 `
    -HashAlgorithm SHA256 `
    -KeyUsage DigitalSignature `
    -NotAfter (Get-Date).AddYears(5)

Export-Certificate `
    -Cert $certificate `
    -FilePath $certificatePath `
    -Type CERT

makepkg pack /f layout.xml /d <base_game_folder> /pd <output_folder> /usepublisherkey <publisherkeyname>

makepkg pack /f layout.xml /d <publisher_content_folder> /pd <output_folder> /usepublisherkey <publisherkeyname>

makepkg pack /msixvc2 /d <base_game_folder> /pd <output_folder> /usepublishercert <thumbprint|certificate.cer>

makepkg pack /msixvc2 /d <publisher_content_folder> /pd <output_folder> /usepublishercert <thumbprint|certificate.cer>

HRESULT hr = XPackageEnumeratePackages(
    XPackageKind::PublisherContent,
    XPackageEnumerationScope::ThisOnly,
    nullptr,
    [](void*, const XPackageDetails* details) -> bool
    {
        // details->packageIdentifier can be passed to XPackageMountWithUiAsync.
        // details->kind is XPackageKind::PublisherContent.
        return true;
    });

XPackageKind kind;
HRESULT hr = XPackageGetPackageKind(packageIdentifier, &kind);
if (SUCCEEDED(hr) && kind == XPackageKind::PublisherContent)
{
    // Handle Publisher Content.
}