diff --git a/source/RobotAPI/libraries/armem/core/base/EntityInstanceBase.h b/source/RobotAPI/libraries/armem/core/base/EntityInstanceBase.h
index 5839641f89ddedf8c6748a448a5dce9e22ee911d..f7e5396bd99cbe90e271be0fdc0cab95617ad16e 100644
--- a/source/RobotAPI/libraries/armem/core/base/EntityInstanceBase.h
+++ b/source/RobotAPI/libraries/armem/core/base/EntityInstanceBase.h
@@ -44,7 +44,9 @@ namespace armarx::armem::base
      */
     struct EntityInstanceMetadata : public Metadata
     {
-        ///
+	/// Time when this value was created.
+        Time createdTime;
+
         /**
          * @brief Time this instance refers to.
          *
@@ -56,6 +58,7 @@ namespace armarx::armem::base
 
         /// Time when this value was sent to the memory.
         Time sentTime = Time::Invalid();
+
         /// Time when this value has arrived at the memory.
         Time arrivedTime = Time::Invalid();