From 9c6bdd6ef356938983f9b4ce098d9cd9fa6d9e4b Mon Sep 17 00:00:00 2001
From: HMS17 <hms243@cornell.edu>
Date: Mon, 18 Aug 2025 20:18:54 -0400
Subject: [PATCH] [BI-2193] Improve/Correct Sub-Entity Tabular View

---
 .../brapi/v2/constants/BrAPIAdditionalInfoFields.java           | 1 +
 .../breedinginsight/brapi/v2/services/BrAPITrialService.java    | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/src/main/java/org/breedinginsight/brapi/v2/constants/BrAPIAdditionalInfoFields.java b/src/main/java/org/breedinginsight/brapi/v2/constants/BrAPIAdditionalInfoFields.java
index 611a5e5fb..d14663cd2 100644
--- a/src/main/java/org/breedinginsight/brapi/v2/constants/BrAPIAdditionalInfoFields.java
+++ b/src/main/java/org/breedinginsight/brapi/v2/constants/BrAPIAdditionalInfoFields.java
@@ -57,4 +57,5 @@ public final class BrAPIAdditionalInfoFields {
     public static final String OBS_UNIT_ID = "obsUnitID";
     public static final String GERMPLASM_NAME = "germplasmName";
     public static final String SUBMISSION_NAME = "submissionName";
+    public static final String EXP_UNIT_ID = "expUnitID";
 }
diff --git a/src/main/java/org/breedinginsight/brapi/v2/services/BrAPITrialService.java b/src/main/java/org/breedinginsight/brapi/v2/services/BrAPITrialService.java
index b11983b56..158ce952a 100644
--- a/src/main/java/org/breedinginsight/brapi/v2/services/BrAPITrialService.java
+++ b/src/main/java/org/breedinginsight/brapi/v2/services/BrAPITrialService.java
@@ -573,6 +573,8 @@ public BrAPIObservationUnit createSubObservationUnit(
         levelRelationships.add(expUnitLevel);
         position.setObservationLevelRelationships(levelRelationships);
 
+        observationUnit.putAdditionalInfoItem(BrAPIAdditionalInfoFields.EXP_UNIT_ID, expUnit.getObservationUnitName());
+
         // Set ObservationUnitPosition.
         observationUnit.setObservationUnitPosition(position);