Azure devops: user defined variables between release pipeline stages

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I have a simple test release pipeline with 2 stages with 1 powershell task in each stage.

reference: Define variables - Azure Pipelines | Microsoft Docs[^]

1st stage: I want to set a variable value, from what I understand I have to use this weird syntax.
I also set the Output Variable Reference name to : MyReferenceName

PowerShell :

$myVariable='potato'
Write-Host 'myVariable:'+ $myVariable
Write-Host "##vso[task.setvariable variable=MyOutputVariable;isOutput=true]$myVariable"

2nd stage: I want to use/consume that variable

PowerShell :

Write-Host 'reference:'+$(MyReferenceName.MyOutputVariable)

In the second stage, I cannot seems to resolve the variable.

Is this the way it should be done ?

What I have tried:

I've tried different type of variable name permutations.

Posted 8-Dec-20 3:59am

Maximilien

Updated 8-Dec-20 5:20am

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Sander Rossel · Answer 1 · 2020-12-08T05:20:00

In the second stage, it would suffice to just say:

Write-Host 'reference: $(MyOutputVariable)'

Since MyOutputVariable is the name of your variable and it is literally inserted where you place it, so inside the quotes. I'm not sure where MyReferenceName comes from, but it should be omitted.
The output should then be:

Write-Host 'reference: potato'

I'm also not sure what "isOutput=true" in the first stage means or does, but I think it can be omitted as well.