Output a variable from Powershell to an Azure DevOps Pipeline

To set the value of a variable in Azure DevOps, you have a couple of options.

Note that the variable values will be set for the scope of the job only. To set a variable for the scope of the Stage, you can use this method

1. To set the value of a variable that you have already defined in the Pipeline Variables

   In a PowerShell script set

       Write-Host "##vso[task.setvariable variable=MyVariableName;]My Value"  
   

   You can now reference the variable in the normal way as $(MyVariableName)

2. To set an output variable that you have not defined elsewhere

   In a PowerShell script set

       Write-Host "##vso[task.setvariable variable=MyVariableName;isOutput=true]My Value"  
   

   Make sure to expand the Output Variables section and set a Reference name

   You can now reference your variable as $(MyReferenceName.MyVariableName)

   Note that you won’t get any intellisense when referring to the variable using this method.

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