Automation Account for Powershell7.1 Does not support array input in Web

Lars Kartevoll 21

When inputting an array in Web-Azure. The array is not parsed as expected:

Runbook code:

param(
    [System.String[]]$TestParameter
)

foreach($Entry in $TestParameter){
    $Entry
}

Input when starting runbook:
["does", "This", "even", "work"]

Output from runbook:

[does
this
even
work]

This works fine in PowerShell 5.1 :/

Anderson Copper 5 Reputation points

2023-03-15T05:42:54.6966667+00:00

I also face this issue. if anyone knows about it. Kindly respond.
tbgangav-MSFT 10,426 Reputation points

2023-03-16T16:38:43.45+00:00

Hi @Lars Kartevoll and @Anderson Copper ,

Thanks for bringing this up and apologies for any inconvenience caused. I am checking internally with the product team regarding the issue. We shall hopefully update you with some investigation findings and insights in couple of days.
tbgangav-MSFT 10,426 Reputation points

2023-03-16T16:39:33.51+00:00

Hi @Lars Kartevoll and @Anderson Copper ,

Quick question - Is this happening with PowerShell 7.2 as well?
tbgangav-MSFT 10,426 Reputation points

2023-03-22T15:06:13.21+00:00

Hi @Lars Kartevoll and @Anderson Copper ,

Please find below update:

PowerShell 7.1 runbooks (in preview) are executed differently in Automation, thus exhibiting different behavior as compared to PowerShell 5.1.

Could you pass the array input in a different way as shown below as a workaround?

It works as expected with the above input for PS 7.1 runbook. Hope this unblocks you!

On a separate note, we tried this locally as well and seems like it is how the executable behaves.

We would update the related Azure documentation to clarify and avoid confusion on how to use parameters correctly in PS 7.1.
Lars Kartevoll 21 Reputation points

2023-04-16T11:38:24.8233333+00:00

Hi again!
Sorry about the late answer.

You are correct. This is the way to input the information to get an array in PowerShell 7

Thanks :)
tbgangav-MSFT 10,426 Reputation points

2023-04-19T17:39:08.5333333+00:00

Hi @Lars Kartevoll , Thanks for the update. Glad to know that it works for you by giving parameter as string[].
Jesus Chao 141 Reputation points

2024-08-28T21:10:47.6866667+00:00

https://video2.skills-academy.com/en-us/answers/questions/2006987/azure-automation-differences-with-ps7-and-ps5-runb

1 answer

tbgangav-MSFT 10,426 Reputation points

2023-04-19T17:42:14.64+00:00

Hi @Lars Kartevoll , <<Re-posting as answer for better reach and to help other community members who might be looking for similar answer.>> It works by giving parameter as string[]. For illustration, check below screenshot.
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Automation Account for Powershell7.1 Does not support array input in Web

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