Publish

Arguments: --output "$(Build.ArtifactStagingDirectory)"
Setting: do not publish web app
Path to project: **/*.csproj

Version

$newBuildNumber = "$(MyVersion)-$(Build.BuildNumber)"
Write-Host "##vso[build.updatebuildnumber]$newBuildNumber"

Posh

Write-Host "Hello World"
Write-Host "$(Foo)"
Write-Host "$(FooSecret)"

CMD

echo "Listing files in the default working directory:"
dir $(System.DefaultWorkingDirectory) /S