first working types

functions/public/Get-L2Domain.ps1

@@ -1,26 +1,29 @@
 function Get-L2Domain {
-    [CmdletBinding(DefaultParameterSetName="ByID")]
+    [CmdletBinding(DefaultParameterSetName="NoParams")]
+    [OutputType([PS.IPAM.Domain])]
     param (
-        [parameter(Mandatory=$false,ValueFromPipeline=$true,ValueFromPipelineByPropertyName=$true,Position=0)]
+        [parameter(Mandatory=$false,ValueFromPipeline=$true,ValueFromPipelineByPropertyName=$true,Position=0,ParameterSetName="ByID")]
         [ValidateScript({ $_ -match "^\d+$" })]
         [ValidateNotNullOrEmpty()]
-        [string]
+        [int]
         $Id
     )
     process {
-        [string[]]$visiblePropertiesList = @('Id','Name','Description')
-        $visibleProperties = [System.Management.Automation.PSPropertySet]::new('DefaultDisplayPropertySet',$visiblePropertiesList)
-
         $_params = @{
-            Controller = "l2domains"
-            Method     = "GET"
+            Controller = [PS.IPAM.controllers]::l2domains
+            Method     = [PS.IPAM.methods]::GET
+            Type       = [PS.IPAM.types]::Domain
         }
-        $_identifiers = @($Id)
         
+        switch ($PSCmdlet.ParameterSetName) {
+            "ByID" {
+                $_identifiers = @($Id)
+            }
+        }
+
         $_params.Add("Identifiers",$_identifiers)
 
-        Invoke-Request @_params | `
-            Add-Member -MemberType MemberSet -Name PSStandardMembers -Value $visibleProperties -PassThru
+        Invoke-Request @_params
     }
 }
 Export-ModuleMember -Function Get-L2Domain