An example csproj that shows how to use conditionalsfor publishing settings

YourMauiApp.csproj

<Project Sdk="Microsoft.NET.Sdk">
    <PropertyGroup>
        <TargetFrameworks>net7.0-android;net7.0-ios;net7.0-maccatalyst</TargetFrameworks>
        <TargetFrameworks Condition="$([MSBuild]::IsOSPlatform('windows'))">$(TargetFrameworks);net7.0-windows10.0.19041.0</TargetFrameworks>
        <OutputType>Exe</OutputType>
        <RootNamespace>Hacked.Maui</RootNamespace>
        <UseMaui>true</UseMaui>
        <SingleProject>true</SingleProject>
        <ImplicitUsings>enable</ImplicitUsings>

        <!-- Display name -->
        <ApplicationTitle>Hacked?</ApplicationTitle>

        <!-- App Identifier -->
        <!-- moved ApplicationId to separate section below -->
	<!-- moved ApplicationIdGuid to separate section below -->

        <!-- Versions (if neccessary, you can also set the app version per-platform below) -->
        <ApplicationDisplayVersion>1.0</ApplicationDisplayVersion>
        <ApplicationVersion>1</ApplicationVersion>

        <SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'ios'">14.2</SupportedOSPlatformVersion>
        <SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'maccatalyst'">14.0</SupportedOSPlatformVersion>
        <SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'android'">21.0</SupportedOSPlatformVersion>
        <SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'windows'">10.0.17763.0</SupportedOSPlatformVersion>
        <TargetPlatformMinVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'windows'">10.0.17763.0</TargetPlatformMinVersion>
        <SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'tizen'">6.5</SupportedOSPlatformVersion>
    </PropertyGroup>

    <!-- special asset and resource file build settings -->
    <ItemGroup>
        <MauiIcon Include="Resources\AppIcon\appicon.svg" ForegroundFile="Resources\AppIcon\appiconfg.svg" Color="#512BD4" />
        <MauiSplashScreen Include="Resources\Splash\splash.svg" Color="#512BD4" BaseSize="128,128" />
        <MauiImage Include="Resources\Images\*" />
        <MauiImage Update="Resources\Images\dotnet_bot.svg" BaseSize="168,208" />
        <MauiFont Include="Resources\Fonts\*" />
        <MauiAsset Include="Resources\Raw\**" LogicalName="%(RecursiveDir)%(Filename)%(Extension)" />
    </ItemGroup>
    
    <!-- nuget packages -->
    <ItemGroup>
        <PackageReference Include="CommonHelpers" Version="1.2.0" />
        <PackageReference Include="Telerik.UI.for.Maui" Version="5.1.0" />
    </ItemGroup>
    
<!-- **************** SECTION: per-platform app identification settings **************** -->

    <!-- Windows -->
    <PropertyGroup Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'windows'">
        <ApplicationId>com.lancelotsoftware.HackedApp</ApplicationId>
        <ApplicationIdGuid>61717AC6-F401-4830-BLAH-78DD35E085CC</ApplicationIdGuid>
    </PropertyGroup>
	
    <!-- MacCatalyst -->
    <PropertyGroup Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'maccatalyst'">
        <ApplicationId>com.lancelotsoftware.HackedApp</ApplicationId>
        <ApplicationIdGuid>61717AC6-F401-4830-BLAH-78DD35E085CC</ApplicationIdGuid>
    </PropertyGroup>
  
    <!-- iOS -->
    <PropertyGroup Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'ios'">
        <ApplicationId>com.lancelotsoftware.HackedApp</ApplicationId>
        <ApplicationIdGuid>61717AC6-F401-4830-BLAH-78DD35E085CC</ApplicationIdGuid>
    </PropertyGroup>
  
    <!-- Android -->
    <PropertyGroup Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'android'">
        <ApplicationId>com.lancelotsoftware.hacked</ApplicationId>
        <ApplicationIdGuid>61717AC6-F401-4830-BLAH-78DD35E085CC</ApplicationIdGuid>
    </PropertyGroup>


<!-- **************** SECTION: code signing and publishing **************** -->

<!-- ------- Android ------- -->
     
<!-- Release -->
    <PropertyGroup Condition="$(TargetFramework.Contains('-android')) and '$(Configuration)' == 'Release'">
        <AndroidKeyStore>True</AndroidKeyStore>
        <AndroidSigningKeyStore>your.keystore</AndroidSigningKeyStore>
        <AndroidSigningStorePass>$(android_keystore_password)</AndroidSigningStorePass>
        <AndroidSigningKeyAlias>your.alias</AndroidSigningKeyAlias>
        <AndroidSigningKeyPass>$(android_keystore_alias_password)</AndroidSigningKeyPass>
    </PropertyGroup>-->

    <!-- or publish command with inline values
	dotnet publish -f:net7.0-android -c:Release /p:AndroidKeyStore=True /p:AndroidSigningKeyStore=dvlup.keystore /p:AndroidSigningStorePass=$(android_keystore_password) /p:AndroidSigningKeyAlias=dvlup.alias /p:AndroidSigningKeyPass=mypassword=$(android_keystore_alias_password)
    -->


<!-- ------- iOS ------- -->

<!-- Release -->
    <PropertyGroup Condition="$(TargetFramework.Contains('-ios')) and '$(Configuration)' == 'Release'">
        <RuntimeIdentifier>ios-arm64</RuntimeIdentifier>
        <CodesignKey>Apple Distribution: Lancelot Software, LLC (L65255N3F7)</CodesignKey>
	        for TestFlight
        <CodesignProvision>HackedApp_AdHoc_2023.mobileprovision</CodesignProvision>
		or for App Store
        <CodesignProvision>HackedApp_AppStore_2023.mobileprovision</CodesignProvision>
    </PropertyGroup>

<!-- Debug -->
    <PropertyGroup Condition="$(TargetFramework.Contains('-ios')) and '$(Configuration)' == 'Debug'">
        <RuntimeIdentifier>ios-arm64</RuntimeIdentifier>
        <CodesignKey>Apple Development: Lance McCarthy (AJ9XMDH9A2)</CodesignKey>
        <CodesignProvision>HackedApp_Dev_iOS_2022.mobileprovision</CodesignProvision>
        <RuntimeIdentifier>iossimulator-x64</RuntimeIdentifier>
    </PropertyGroup>
    
    <!-- publish command 
    dotnet publish -f:net7.0-ios -c:Release /p:ServerAddress=192.168.1.184 /p:ServerUser=$MACOS_USER_NAME /p:ServerPassword=$MACOS_USER_PASSWORD /p:TcpPort=58181 /p:ArchiveOnBuild=true /p:_DotNetRootRemoteDirectory=/Users/mccarthy/Library/Caches/Xamarin/XMA/SDKs/dotnet/ /p:EnableAssemblyILStripping=false
    -->

<!-- ------- MacCatalyst ------- -->

<!-- Release -->
    <PropertyGroup Condition="$(TargetFramework.Contains('-maccatalyst')) and '$(Configuration)' == 'Release'">
        <RuntimeIdentifier>maccatalyst-x64</RuntimeIdentifier>
        <CodesignKey>Apple Distribution: Lancelot Software, LLC (L65255N3F7)</CodesignKey>
        <CodesignProvision>HackedApp_MacStore_2022.provisionprofile</CodesignProvision>
    </PropertyGroup>
    
<!-- Debug -->
    <PropertyGroup Condition="$(TargetFramework.Contains('-maccatalyst')) and '$(Configuration)' == 'Debug'">
        <RuntimeIdentifier>maccatalyst-x64</RuntimeIdentifier>
        <CodesignKey>Apple Development: Lance McCarthy (AJ9XMDH9A2)</CodesignKey>
        <CodesignProvision>HackedApp_Dev_MacOS_2023.mobileprovision</CodesignProvision>
    </PropertyGroup>


<!-- ------- Windows (WinUI) ------- -->

<!-- Release -->
    <PropertyGroup Condition="$(TargetFramework.Contains('-windows')) and '$(Configuration)' == 'Release'">
        <GenerateAppxPackageOnBuild>true</GenerateAppxPackageOnBuild>
        <AppxPackageSigningEnabled>true</AppxPackageSigningEnabled>
        <PackageCertificateThumbprint>$(PFX_THUMBPRINT)<PackageCertificateThumbprint/>
        <PackageCertificatePassword>$(PFX_PASSWORD)<PackageCertificatePassword/>
	<ANY_OTHER_PARAMETER>The cool thing is you can put whatever you'd use in the command line here, too!</ANY_OTHER_PARAMETER>
    </PropertyGroup>
    
    <!-- command This is just like packaging WinUI projects	
    msbuild /restore /t:Publish /p:TargetFramework=net7.0-windows10.0.19041 /p:configuration=release /p:GenerateAppxPackageOnBuild=true /p:AppxPackageSigningEnabled=true /p:PackageCertificateThumbprint=$PFX_THUMBPRINT /p:PackageCertificatePassword=$PFX_PASSWORD
    -->
    
</Project>