how can make script working for multiple nodes.

Dear, Team

want to using the powershell script to using os version check multiple nodes in the WEST group

see the following script plz

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if (! (Get-PSSnapin | where {$_.Name -eq "SwisSnapin"})) {

    Add-PSSnapin "SwisSnapin"

}

#Prep File

$File = "C:\OS_CHECK.txt"

$hostname = "127.0.0.1"

$username = "admin"

$password = New-Object System.Security.SecureString

$cred = New-Object -typename System.Management.Automation.PSCredential -argumentlist $username, $password

$swis = Connect-Swis -v2 -host $hostname -cred $cred

$group= 'WEST'

$nodeId = get-swisdata $swis "SELECT NodeID FROM Cirrus.Nodes WHERE NodeGroup='$group'"

$script ="sh run"

#how can i change below lines to apply to multiple nodes ???

$nodeIdList = New-Object -TypeName "System.Guid[]" 1

$nodeIdList[0] = $nodeId

Invoke-SwisVerb $swis Cirrus.ConfigArchive Execute @($nodeIdList, $script, $username) | Out-Null

$transferID = "{$nodeId}:${username}:ExecuteScript"

do {

    Start-Sleep -Seconds 1

    $status = Get-SwisData $swis "SELECT T.Status, T.Error FROM Cirrus.TransferQueue T WHERE T.TransferID=@transfer" @{transfer=$transferID}

    #Write-Host $status.Status

}

while (($status.Status -ne 'Complete') -and (-not $status.Error))

$output = Get-SwisData $swis "SELECT T.Log FROM Cirrus.TransferQueue T WHERE T.TransferID=@transfer" @{transfer=$transferID}

write-host $output

$output | Out-File $File

Write-Host "Process Completed!!"