first working types

functions/public/Get-FirstFreeIP.ps1

@@ -10,19 +10,25 @@ function Get-FirstFreeIP {
         [ValidateScript({ $_ -match "^\d+$" })]
         [ValidateNotNullOrEmpty()]
         [string]
-        $Id
+        $Id,
+        [parameter(Mandatory=$false,ValueFromPipeline=$true,ValueFromPipelineByPropertyName=$true,Position=0,ParameterSetName="BySubnetObject")]
+        [ValidateNotNullOrEmpty()]
+        [PS.IPAM.Subnetwork]
+        $SubnetObject
     )
     process {
         $_params = @{
-            Controller = "subnets"
-            Method     = "GET"
+            Controller = [PS.IPAM.controllers]::subnets
+            Method     = [PS.IPAM.methods]::GET
         }
         switch ($PSCmdlet.ParameterSetName) {
-            "ByID"      { $_subnetId = $Id }
+            "ByID"      { $_subnetId = $Id; break }
             "ByCIDR"    {
                 $_subnetId = (Get-Subnet -CIDR $CIDR).id
                 if (!$_subnetId) { throw "Cannot find subnet!" }
+                break
             }
+            "BySubnetObject" { $_subnetId = $SubnetObject.Id; break }
         }
         $_identifiers = @($_subnetId,"first_free")
         $_params.Add("Identifiers",$_identifiers)