Update New-ZertoVpgSettingsIdentifier.ps1

Set default Parameter Set,
Move body creation to process block for pipeline processing.

ZertoApiWrapper/Public/New-ZertoVpgSettingsIdentifier.ps1

@@ -1,6 +1,6 @@
 <# .ExternalHelp ./en-us/ZertoApiWrapper-help.xml #>
 function New-ZertoVpgSettingsIdentifier {
-    [cmdletbinding( SupportsShouldProcess = $true )]
+    [cmdletbinding( SupportsShouldProcess = $true, DefaultParameterSetName = "newVpg" )]
     param(
         [Parameter(
             HelpMessage = "Identifier of the VPG to create a VPG settings identifier. If a vpgIdentifier is not provided, a new VPG settings object is created without any configured settings. This would be used for creating a new VPG from scratch.",
@@ -11,7 +11,7 @@ function New-ZertoVpgSettingsIdentifier {
         )]
         [ValidateNotNullOrEmpty()]
         [Alias("vpgId")]
-        [string]$vpgIdentifier,
+        [string[]]$vpgIdentifier,
         [Parameter(
             HelpMessage = "Use this switch when creating a vpgSettingsIdentifier for a new VPG",
             ParameterSetName = "newVpg",
@@ -22,20 +22,24 @@ function New-ZertoVpgSettingsIdentifier {
 
     begin {
         $baseUri = "vpgSettings"
-        switch ($PSCmdlet.ParameterSetName) {
-            "newVpg" {
-                $body = "{}"
-            }
-
-            "existingVpg" {
-                $body = "{""VpgIdentifier"":""$vpgIdentifier""}"
-            }
-        }
     }
 
     process {
-        if ($PSCmdlet.ShouldProcess("Creating VPG Settings Object")) {
-            Invoke-ZertoRestRequest -uri $baseUri -body $body -Method "POST"
+        switch ($PSCmdlet.ParameterSetName) {
+            "newVpg" {
+                $body = "{}"
+                if ($PSCmdlet.ShouldProcess("Creating VPG Settings Object")) {
+                    Invoke-ZertoRestRequest -uri $baseUri -body $body -Method "POST"
+                }
+            }
+            "existingVpg" {
+                foreach ($id in $vpgIdentifier) {
+                    $body = "{""VpgIdentifier"":""$id""}"
+                    if ($PSCmdlet.ShouldProcess("Creating VPG Settings Object")) {
+                        Invoke-ZertoRestRequest -uri $baseUri -body $body -Method "POST"
+                    }
+                }
+            }
         }
     }