diff --git a/source/RobotAPI/libraries/armem_objects/aron/Attachment.xml b/source/RobotAPI/libraries/armem_objects/aron/Attachment.xml
index 3fa87bd07c1e5c5a976aaddb385435c7ad3868c0..76cb21c07a16e8f37c0fa00f6a4ab2b90cfd2983 100644
--- a/source/RobotAPI/libraries/armem_objects/aron/Attachment.xml
+++ b/source/RobotAPI/libraries/armem_objects/aron/Attachment.xml
@@ -39,6 +39,10 @@
             <ObjectChild key="active">
                 <Bool/>
             </ObjectChild>
+
+            <ObjectChild key="timestamp">
+                <Time/>
+            </ObjectChild>
         </Object>
 
         <!-- Fixed transformation between agent and articulated object -->
@@ -59,6 +63,10 @@
             <ObjectChild key="active">
                 <Bool/>
             </ObjectChild>
+
+            <ObjectChild key="timestamp">
+                <Time/>
+            </ObjectChild>
         </Object>
 
     </GenerateTypes>
diff --git a/source/RobotAPI/libraries/armem_objects/aron_conversions.cpp b/source/RobotAPI/libraries/armem_objects/aron_conversions.cpp
index 1eb4406fe0ffb4e80adac1590562ddae6e0ebbbf..8602178224b696fdcf026f50184628ee7a870dae 100644
--- a/source/RobotAPI/libraries/armem_objects/aron_conversions.cpp
+++ b/source/RobotAPI/libraries/armem_objects/aron_conversions.cpp
@@ -50,7 +50,7 @@ namespace armarx::armem
         aron::fromAron(dto.transformation, bo.transformation);
         fromAron(dto.object, bo.object);
         aron::fromAron(dto.active, bo.active);
-
+        // TODO aron::fromAron(dto.timestamp, bo.timestamp);
     }
 
     void toAron(arondto::attachment::ObjectAttachment& dto, const attachment::ObjectAttachment& bo)
@@ -59,6 +59,7 @@ namespace armarx::armem
         aron::toAron(dto.transformation, bo.transformation);
         toAron(dto.object, bo.object);
         aron::toAron(dto.active, bo.active);
+        // TODO aron::toAron(dto.timestamp, bo.timestamp);
     }
 
 
@@ -68,6 +69,7 @@ namespace armarx::armem
         aron::fromAron(dto.transformation, bo.transformation);
         fromAron(dto.object, bo.object);
         aron::fromAron(dto.active, bo.active);
+        // TODO aron::fromAron(dto.timestamp, bo.timestamp);
     }
 
     void toAron(arondto::attachment::ArticulatedObjectAttachment& dto, const attachment::ArticulatedObjectAttachment& bo)
@@ -76,6 +78,7 @@ namespace armarx::armem
         aron::toAron(dto.transformation, bo.transformation);
         toAron(dto.object, bo.object);
         aron::toAron(dto.active, bo.active);
+        // TODO aron::toAron(dto.timestamp, bo.timestamp);
     }