diff --git a/dao-api/src/main/java/com/linkedin/metadata/dao/tracking/TrackingUtils.java b/dao-api/src/main/java/com/linkedin/metadata/dao/tracking/TrackingUtils.java
index 96b8cb53b..fed2aa671 100644
--- a/dao-api/src/main/java/com/linkedin/metadata/dao/tracking/TrackingUtils.java
+++ b/dao-api/src/main/java/com/linkedin/metadata/dao/tracking/TrackingUtils.java
@@ -111,7 +111,8 @@ public String getName() {
    */
   public enum Dimension {
     ASPECT_TYPE("aspectType"),
-    ERROR_TYPE("errorType"),
+    ERROR_TYPE("errorType"), // category of the error, e.g., client vs server error
+    EXCEPTION("exception"), // exception name of the error, e.g., NullPointerException
     ORIGINAL_EMIT_TIME("originalEmitTime"),
     PLATFORM_TYPE("platformType");