From a207800bed4b5fe61d83e47efe42bf47ee79b132 Mon Sep 17 00:00:00 2001
From: Oleksandr Buhaiov <oleksandr.buhaiov@gmail.com>
Date: Fri, 1 Aug 2025 10:04:07 +0300
Subject: [PATCH] Revert "remove optional type attribute for
 StreamCompactDataWriterEngine" (#85)

This reverts commit 191651cbe4aa0dd25aa6149a6bbb24ab577a1d5a.

Co-authored-by: Oleksandr Buhaiov <oleksandr_buhaiov@epam.com>
---
 .../engine/writer/streaming/StreamCompactDataWriterEngine.java   | 1 +
 1 file changed, 1 insertion(+)

diff --git a/SdmxDataParser/src/main/java/org/sdmxsource/sdmx/dataparser/engine/writer/streaming/StreamCompactDataWriterEngine.java b/SdmxDataParser/src/main/java/org/sdmxsource/sdmx/dataparser/engine/writer/streaming/StreamCompactDataWriterEngine.java
index eeb6438..3bf5b8d 100644
--- a/SdmxDataParser/src/main/java/org/sdmxsource/sdmx/dataparser/engine/writer/streaming/StreamCompactDataWriterEngine.java
+++ b/SdmxDataParser/src/main/java/org/sdmxsource/sdmx/dataparser/engine/writer/streaming/StreamCompactDataWriterEngine.java
@@ -128,6 +128,7 @@ public void startGroup(String groupId, AnnotationBean... annotations) {
 
             if (isTwoPointOne()) {
                 writer.writeStartElement("Group");      //WRITE THE START GROUP
+                writer.writeAttribute(XSI_NS, "type", COMPACT_NS.namespacePrefix + ":" + groupId);
                 writeAnnotations(writer, annotations);
             } else {
                 groupAnnotations = annotations;