diff --git a/api/collections/medialib.yml b/api/collections/medialib.yml
index 2e3d142..30e1a26 100644
--- a/api/collections/medialib.yml
+++ b/api/collections/medialib.yml
@@ -18,9 +18,21 @@ meta:
     # hat hiermit nix zu tun.
     defaultImageFilter: s
     multiupload:
-        fields: #specify wich fields should be editable in Modal, if property isnt set, then all fields will automatically be selected
+        fields: 
             - source: description
 
+    multiupload:
+        fields:
+            - source: description #specify wich fields should be editable in Modal, if property isnt set, then all fields will automatically be selected
+        prefilledFields: #specifies wich fields should have a default value, wont be visible to the user, just an informational text for wich fields will recieve an default value.
+            - source: title
+              defaultValue:
+                  eval: |
+                      (function(){
+                        return "Title" + $namespace
+                      })()
+
+
     # Wird unter "image-/file-/videoSelect" im ContentBuilder Feld kein
     # "subNavigation" Index definiert, werden auch folgende "views"
     # verwendet.