<PackageReference Include="Dotnet.Bundle" Version="*" />

dotnet msbuild -t:BundleApp -p:RuntimeIdentifier=osx-x64 [-p: ...]

<PropertyGroup>
    <CFBundleName>AppName</CFBundleName> <!-- Also defines .app file name -->
    <CFBundleDisplayName>App Name</CFBundleDisplayName>
    <CFBundleIdentifier>com.example</CFBundleIdentifier>
    <CFBundleVersion>1.0.0</CFBundleVersion>
    <CFBundlePackageType>APPL</CFBundlePackageType>
    <CFBundleSignature>????</CFBundleSignature>
    <CFBundleExecutable>AppName</CFBundleExecutable>
    <CFBundleIconFile>AppName.icns</CFBundleIconFile> <!-- Will be copied from output directory -->
    <NSPrincipalClass>NSApplication</NSPrincipalClass>
    <NSHighResolutionCapable>true</NSHighResolutionCapable>

    <!-- Optional -->
    <NSRequiresAquaSystemAppearance>true</NSRequiresAquaSystemAppearance>
</PropertyGroup>

<ItemGroup>
    <!-- Optional URLTypes.Check TestBundle.csproj for a working example. -->
    <CFBundleURLTypes Include="dummy"> <!-- The name of this file is irrelevant, it's a MSBuild requirement.-->
        <CFBundleURLName>TestApp URL</CFBundleURLName>
        <CFBundleURLSchemes>testappurl;testappurl://</CFBundleURLSchemes> <!-- Note the ";" separator-->
    </CFBundleURLTypes>
    <CFBundleURLTypes Include="dummy">
        <CFBundleURLName>TestApp URL2</CFBundleURLName>
        <CFBundleURLSchemes>test://</CFBundleURLSchemes>
    </CFBundleURLTypes>
</ItemGroup>