Error creating Outlook Rules in Powershell - powershell

Question

I've been messing around with Outlook objects for Powershell. I wanted to create Outlook Rules and I got it to work. Layed the project aside for a while.
When I picked it back up I was unable to create Outlook rules. Note that I did NOT change anything in the code.
Code generating Outlook Rule
$rules = $ol.Session.DefaultStore.GetRules()
$rule = $rules.Create("spamfilter",[Microsoft.Office.Interop.Outlook.OlRule Type]::olRuleReceive)
$condition = $rule.Conditions.SenderAddress
$condition.Enabled = $true
$condition.Address = #("<sender>")
$action = $rule.Actions.MoveToFolder
$action.Enabled = $true
[Microsoft.Office.Interop.Outlook._MoveOrCopyRuleAction].InvokeMember("Folder",[System.Reflection.BindingFlags]::SetProperty,$null,$action,$junk)
$rules.Save()
The error
Exception calling "InvokeMember" with "5" argument(s): "Member not found. (Exception from HRESULT: 0x80020003 (DISP_E_MEMBERNOTFOUND))"
At line:22 char:5
[Microsoft.Office.Interop.Outlook._MoveOrCopyRuleAction].InvokeMember("Folde ...
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
CategoryInfo : NotSpecified: (:) [], MethodInvocationException
FullyQualifiedErrorId : COMException
Someone please help me. What seems to be the issue? I'm lost, thanks.

Answer 1

I found the problem. I defined the $junk variable using Redemption outlook library.
This way it's not a legit MAPI object so it doesn't get recognized as a valid parameter.
Instead of defining $junk = $routlook.GetDefaultFolder(23), I had to use $junk = $ol.Session.DefaultStore.GetDefaultFolder([Microsoft.Office.Interop.Outlook.OlDefaultFolders]::olFolderJunk)
But ofcourse I did not provide this information in the question because I didn't think it seemed relevant as nothing else in my script makes a problem of how this folder is defined.