diff --git a/DataStructures.cs b/DataStructures.cs
index 12c7429..d7ab6db 100644
--- a/DataStructures.cs
+++ b/DataStructures.cs
@@ -7,9 +7,18 @@ public class KasAddressList
 {
     public List<KasPerson> KasPersons;
 
-    public KasAddressList()
+    public KasAddressList(string name)
     {
         KasPersons = new List<KasPerson>();
+        Name = name;
+    }
+
+    public string Name { get; set; } = "Neues Address-Set";
+    public int owner_id { get; set; }
+
+    public void SetOwner(int owner_id)
+    {
+        this.owner_id = owner_id;
     }
 }