Creating Module

Private/Get-ConfigurationDataArrayMergeKeyNames.ps1

@@ -0,0 +1,30 @@
+function Get-ConfigurationDataArrayMergeKeyNames {
+    [CmdletBinding()]
+    Param(
+        [Parameter(Mandatory=$true)]
+        [String]
+        $ArrayName,
+        [AllowNull()]
+        $Item
+    )
+
+    $MergeKeyMap = @{
+        Instances = @("Name")
+        ConfigurationOptions = @("OptionName")
+        AdditionalScripts = @("ScriptName")
+        Templates = @("TemplateName")
+        AllNodes = @("NodeName")
+        Registry = @("Key","ValueName")
+    }
+
+    if($MergeKeyMap.ContainsKey($ArrayName)){
+        return $MergeKeyMap[$ArrayName]
+    }
+
+    $SearchItem = Get-ConfigurationDataArraySearchItem -Item $Item
+    if($null -ne $SearchItem){
+        return @($SearchItem.Name)
+    }
+
+    return @()
+}