Accessing the build revision number in Powershell script during TFS build
Use the build variables.
From PowerShell use $Env:BUILD_BUILDNUMBER if you’re using TFS 2015.
See MSDN: Use a PowerShell script to customize your build process
For previous versions: Team Foundation Build environment variables
you can use following powershell script to parse Build number
[String]$myrev = $Env:BUILD_BUILDNUMBER$result = $myrev.Substring($myrev.LastIndexOf('.') + 1)Write-Host $result