using namespace System.Management.Automation
class Y{
    [int] $Id
}

class X{    
	static [void] OpenUri([psobject] $obj) {
		$id = $obj.Id
		start-process "http://baseuri/$id"
	}

    static [void] UpdateTypeData(){
        $td = [Runspaces.Typedata]::new([Y])		
		$td.Members.Add("OpenUri",
			[Runspaces.CodeMethodData]::new("OpenUri", [X]::GetMethodInfo([X], "OpenUri")));
		Update-TypeData -TypeData $td -Force
    }
    
    hidden static [Reflection.MethodInfo] GetMethodInfo([Type] $type, [string] $method) {
		return $type.GetMethod($method, [Reflection.BindingFlags]::Static -bor [Reflection.BindingFlags]::Public -bor [Reflection.BindingFlags]::IgnoreCase);
	}
}
[X]::UpdateTypeData()

$y = [Y]::new()

#works
$y | % OpenUri
#fails with No coercion operator is defined between types 'System.Void' and 'System.Object'.
$y.OpenUri()