Output from Invoke-Command ScriptBlock

Invoke-CommandOutput.ps1

    ...    
    $results = Invoke-Command -ComputerName localhost -Authentication Credssp -Credential $credential -ScriptBlock {
        
        $exitCode = 0
        $output = @()
        try {
            $output += "Copying files..."
            Copy-Item "$Using:workspace\AMERICAS\Netlogon\*.*" \\USDC4\NETLOGON -Force -ErrorAction Stop
            Copy-Item "$Using:workspace\APAC\Netlogon\*.*"     \\SGDC2\NETLOGON -Force -ErrorAction Stop
            Copy-Item "$Using:workspace\EMEA\Netlogon\*.*"     \\UKDC3\NETLOGON -Force -ErrorAction Stop
            $output += "Files copied"
        }
        catch {
            $exitCode = 1
            $output += "Error: $($_.Exception.Message)"
        }

        # Return the results of this script block so the outer script can check what happened...
        [PSCustomObject]@{ ExitCode=$exitCode; Output=$($output -join [System.Environment]::NewLine) }
    }
    
    $results.Output

    $exitCode = $results.ExitCode
}
catch {    
    $_.Exception.Message
    $exitCode = 1
}

exit $exitCode