diff --git a/AddUser.ps1 b/AddUser.ps1
index cbf759b..6a7cca4 100644
--- a/AddUser.ps1
+++ b/AddUser.ps1
@@ -11,8 +11,8 @@ param (
     $Type = "RO"
 )
 
-$User = $null
-$Group = $null
+[ADUser]$User = $null
+[ADGroup]$Group = $null
 
 
 if(!$PSBoundParameters.ContainsKey("ProjectName")){
@@ -50,9 +50,9 @@ if($null -eq $Group){
 $targeGroup =$null
 
 if($PSBoundParameters.ContainsKey("Server")){
-    $targeGroup = . .\GetRoles.ps1 -Server $Server -ProjectName $ProjectName
+    $targeGroup = . .\GetRoles.ps1 -Server $Server -ProjectName $ProjectName | Where-Object Name -Match $Type
 } else {
-    $targeGroup = . .\GetRoles.ps1 -ProjectName $ProjectName
+    $targeGroup = . .\GetRoles.ps1 -ProjectName $ProjectName | Where-Object Name -Match $Type
 }
 
 if($null -eq $Group){