diff --git a/BeWo/ViewModel/AiPromptbausteinTreeVM.cs b/BeWo/ViewModel/AiPromptbausteinTreeVM.cs
index 4b727a16e..f765ed075 100644
--- a/BeWo/ViewModel/AiPromptbausteinTreeVM.cs
+++ b/BeWo/ViewModel/AiPromptbausteinTreeVM.cs
@@ -15,7 +15,7 @@ using BS.Shared.Interface;
 
 namespace BeWo.ViewModel
 {
-    public class AiPromptbausteinTreeVM : AbstractDCMapperVM<AiPromptbausteinTreeDC>, IAiPromptbaustein
+	public class AiPromptbausteinTreeVM : AbstractDCMapperVM<AiPromptbausteinTreeDC>, IAiPromptbaustein
 	{
 		private string _Displayname;
 		private string _Content;
@@ -108,12 +108,12 @@ namespace BeWo.ViewModel
 			set => SetProperty(ref _Children, value, nameof(Children));
 		}
 
-		public bool HasChildren => Children is object && Children.Count > 0;
-
-		public FontWeight FontWeight => PromptbausteinType != AiPromptbausteinType.Prompt ? FontWeights.Bold : FontWeights.Regular;
-
 		public AiPromptbausteinTreeVM Parent { get; set; }
 
+		public bool HasChildren => Children is object && Children.Count > 0;
+		public FontWeight FontWeight => PromptbausteinType != AiPromptbausteinType.Prompt ? FontWeights.Bold : FontWeights.Regular;
+		public long? Oid => DataContract.Oid;
+
 		protected override void InitByDataContract(AiPromptbausteinTreeDC pDataContract)
 		{
 			if (pDataContract is null)
diff --git a/BeWo/ViewModel/View/Administration/AiPromptbausteinTreeViewModel.cs b/BeWo/ViewModel/View/Administration/AiPromptbausteinTreeViewModel.cs
index 8a7f13bb3..e6faf5284 100644
--- a/BeWo/ViewModel/View/Administration/AiPromptbausteinTreeViewModel.cs
+++ b/BeWo/ViewModel/View/Administration/AiPromptbausteinTreeViewModel.cs
@@ -25,17 +25,18 @@ namespace BeWo.ViewModel.View.Administration
 				ListVM = new AiPromptbausteinTreeListVM();
 			}
 
-			Func<bool> canAddPrompt = () => SelectedNode.IsOrdner() || SelectedNode.IsKette();
-			Func<bool> canAddOrdner = () => SelectedNode.IsOrdner();
-			Func<bool> canAddKette = () => SelectedNode.IsOrdner() && false;
-			Func<bool> canEdit = () => SelectedNode is object;
-			Func<bool> canCopy = () => SelectedNode.IsKette() || SelectedNode.IsOrdner();
-			Func<bool> canCopySingle = () => SelectedNode is object;
+			Func<bool> canAddPrompt = () => (SelectedNode.IsAddablePredefinedNode() && SelectedNode.IsOrdner()) || (SelectedNode.IsNoPredefinedNode() && (SelectedNode.IsOrdner() || SelectedNode.IsKette())) ;
+			Func<bool> canAddOrdner = () => (SelectedNode.IsAddablePredefinedNode() && SelectedNode.IsOrdner()) || (SelectedNode.IsNoPredefinedNode() && SelectedNode.IsOrdner());
+			Func<bool> canAddKette = () => false;
+			Func<bool> canEdit = () => SelectedNode.IsNoPredefinedNode();
+			Func<bool> canCopy = () => SelectedNode.IsNoPredefinedNode() && (SelectedNode.IsKette() || SelectedNode.IsOrdner());
+			Func<bool> canCopySingle = () => SelectedNode.IsNoPredefinedNode();
 			Func<bool> canPaste = () => HasCopiedTreeNode && !Contains(CopyTreeNode, SelectedNode) &&
 								(!CopyTreeNode.IsOrdner() || canAddOrdner()) &&
 								(!CopyTreeNode.IsKette() || canAddKette()) &&
-								(!CopyTreeNode.IsPrompt() || canAddPrompt());
-			Func<bool> canDelete = () => SelectedNode is object;
+								(!CopyTreeNode.IsPrompt() || canAddPrompt()) && 
+								SelectedNode.AiActionType == CopyTreeNode.AiActionType;
+			Func<bool> canDelete = () => SelectedNode.IsNoPredefinedNode();
 
 			AddPromptCommand = new DelegateCommand(() => Add(AiPromptbausteinType.Prompt), canAddPrompt);
 			AddOrdnerCommand = new DelegateCommand(() => Add(AiPromptbausteinType.Ordner), canAddOrdner);
diff --git a/Shared/Extensions/CustomInterfaces/IAiPromptbausteinTreeExtension.cs b/Shared/Extensions/CustomInterfaces/IAiPromptbausteinTreeExtension.cs
index 54bd8fb65..3c974a990 100644
--- a/Shared/Extensions/CustomInterfaces/IAiPromptbausteinTreeExtension.cs
+++ b/Shared/Extensions/CustomInterfaces/IAiPromptbausteinTreeExtension.cs
@@ -4,6 +4,7 @@ using DevExpress.Xpf.Bars.Native;
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Security.Cryptography.X509Certificates;
 using System.Text;
 using System.Threading.Tasks;
 
@@ -25,6 +26,17 @@ namespace BS.Shared.Extensions.CustomInterfaces
 			=> aiPromptbaustein.hasPrompttype(AiPromptbausteinType.Prompt);
 
 
+		public static bool IsPredefinedNode(this IAiPromptbaustein aiPromptbaustein)
+			=> aiPromptbaustein.isObject() && aiPromptbaustein.Oid < 0;
+
+		public static bool IsNoPredefinedNode(this IAiPromptbaustein aiPromptbaustein)
+			=> aiPromptbaustein.isObject() && aiPromptbaustein.Oid >= 0;
+
+		public static bool IsAddablePredefinedNode(this IAiPromptbaustein aiPromptbaustein)
+			=> aiPromptbaustein.IsPredefinedNode() && !aiPromptbaustein.IsNoAddablePredefinedNode();
+
+		public static bool IsNoAddablePredefinedNode(this IAiPromptbaustein aiPromptbaustein)
+			=> aiPromptbaustein.IsPredefinedNode() && aiPromptbaustein.AiActionType == AiActionType.ServiceRecord;
 
 		private static bool hasPrompttype(this IAiPromptbaustein aiPromptbaustein, AiPromptbausteinType aiPromptbausteinType)
 			=> aiPromptbaustein.isObject() && aiPromptbaustein.PromptbausteinType == aiPromptbausteinType;
diff --git a/Shared/Interface/IAiPromptbaustein.cs b/Shared/Interface/IAiPromptbaustein.cs
index 6feb82832..01b105e41 100644
--- a/Shared/Interface/IAiPromptbaustein.cs
+++ b/Shared/Interface/IAiPromptbaustein.cs
@@ -8,6 +8,8 @@ namespace BS.Shared.Interface
 {
 	public interface IAiPromptbaustein
 	{
+		long? Oid { get; }
 		AiPromptbausteinType PromptbausteinType { get; }
+		AiActionType AiActionType { get; }
 	}
 }