Workflow-skeleton

Workflow Dummy-WFInner
{
    Param (
        [Parameter(Mandatory=$true)]
        [PsCredential]$credential,
        
        [Parameter(Mandatory=$true)]
        [String]$subscriptionid,
        
        [Parameter(Mandatory=$true)]
        [string]$DevenvId
    )
    
    #Set up stuff
    $ErrorActionPreference = "Stop"
    $verbosePreference = "Continue"

    Write-Verbose "Starting workflow Dummy-WFInner"

    #Create output object
    $OutObject = [PSCustomObject]@{} 

    
    #All real work goes into a try block
    try
    {
        $somestuff = Get-AutomationVariable -name "Somestuff"
        #Real work goes here


        InlineScript {
            #or here

        }


        #returning results from InlineScript (make sure the code is "muted", e.g. it doesnt output unwanted stuff to stdout
        $InlineScriptResult = InlineScript {
            #or here

        }

        #The outobject can also be used for sending non-error data up to the parent
        add-member -InputObject $OutObject -MemberType NoteProperty -Name InlineScriptResult -Value $InlineScriptResult -Force
    }
    Catch
    {
        $errormessage = $_
     
        #Comment out this line if you dont want the inner wf to print errordata to the verbose stream   
        #$errormessage | Write-Verbose

        #Add stuff
        add-member -InputObject $OutObject -MemberType NoteProperty -Name error -Value $errormessage -Force
        if ($errormessage.errorRecord)
        {
            add-member -InputObject $OutObject -MemberType NoteProperty -Name ErrorCommand -Value $errormessage.errorRecord.InvocationInfo.MyCOmmand.Name -Force

        }

        #Breaking means that the wf didnt suceed
        Write-Verbose "Breaking workflow Dummy-WFInner"
        
    }
    $OutObject
    Write-Verbose "Ending workflow Dummy-WFInner"
}



Workflow Dummy-WfOuter
{
    Param (
        [Parameter(Mandatory=$true)]
        [PsCredential]$credential,
        
        [Parameter(Mandatory=$true)]
        [String]$subscriptionid,
        
        [Parameter(Mandatory=$true)]
        [string]$DevenvId
    )
    
    #Set up stuff
    $ErrorActionPreference = "Stop"
    $verbosePreference = "Continue"

    Write-Verbose "Starting workflow Dummy-WfOuter"



    $DummyResultt = Dummy-WFInner -param1 $true -param2 $something
    if ($DummyResultt.error -ne $null)
    {
        #Print the error from inner, and report to external system or whatever
        Write-Verbose "Error reported by $($DummyResultt.ErrorCommand): $($DummyResultt.error)"
        Write-Output "Breaking the workflow."
        return
    }

    
    Write-Verbose "Ending workflow Dummy-WfOuter"
}