GPtrustee object not returning currectly when run through SDK

[erenturkm]

I have been using Powershell SDK to run a script that gets Group Policy Permissions on a GPO. When I run the script below over Remote Powershell on a Windows 2016 Host, it returns GPPermission Objects and when I walk through it the Trustee property is correctly returned as GPTrustee object. When I run this script from Powershell SDK 7.1.3, the trustee property returns a string for type of the object instead of the value. Note that rest of the permission object is populated fine.

Steps to reproduce

$Dic=@{}
$List= New-Object Collections.Generic.List[string]
$GPOs=Get-GPO -All
foreach($G in $GPOs) 
{
	$Perms=Get-GPPermission -Name $G.DisplayName -all -TargetType Group -ErrorAction SilentlyContinue
	$Dic[$G.DisplayName]=$Perms
}
$Dic

Expected behavior

$Dic[<Any GPO>][0].Trustee.getType() returns GPTrustee object.

Actual behavior

Visiual Studio c# code

Perm.Properties.Match("Trustee")[0].Value returns "Microsoft.GroupPolicy.GPTrustee"

Environment data

Remote Powershell output
Name                           Value
----                           -----
PSVersion                      5.1.17763.592
PSEdition                      Desktop
PSCompatibleVersions           {1.0, 2.0, 3.0, 4.0...}
BuildVersion                   10.0.17763.592
CLRVersion                     4.0.30319.42000
WSManStackVersion              3.0
PSRemotingProtocolVersion      2.3
SerializationVersion           1.1.0.1

SDK Version.
PSVersion=7.1.3
PSEdition=Core
WSManStackVersion=3.0
PSRemotingProtocolVersion=2.3

[iSazonov]

Do you connect to Windows PowerShell or PowerShell Core?

[erenturkm]

Powershell running on the remote server is Windows Powershell 5.1.

[iSazonov]

Please try $Dic.Values | % { $_ } | Select Trustee. This works locally for me.

[erenturkm]

iSazonov, this solution does not work or me. It only returns Trustee property of the permission into the SDK. I need to get the whole Permission object as PSObject and work on it in C#.

[PaulHigin]

WG-Remoting
You are running into the default remoting serialization depth, which is set to '2' by default. Unfortunately, it can only be done in a round about way via a TypeTable.

https://docs.microsoft.com/en-us/dotnet/api/system.management.automation.runspaces.typedata.serializationdepth?view=powershellsdk-7.0.0

An easier work around would be to try and return an array of flat objects where depth is no larger than '2'.

TypeData.SerializationDepth Property (System.Management.Automation.Runspaces)

The serializationDepth

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