From 537c354857da94074d7b1608e2575d47aee22f7e Mon Sep 17 00:00:00 2001
From: Matt Mundell <matt@mundell.me>
Date: Fri, 21 Jun 2024 16:45:11 +0200
Subject: [PATCH] GMP doc: add missing SUBGROUP_COLUMN to GET_AGGREGATES
 response

---
 src/schema_formats/XML/GMP.xml.in | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/schema_formats/XML/GMP.xml.in b/src/schema_formats/XML/GMP.xml.in
index 96c32a796..770120a01 100644
--- a/src/schema_formats/XML/GMP.xml.in
+++ b/src/schema_formats/XML/GMP.xml.in
@@ -7928,6 +7928,7 @@ END:VCALENDAR
           <e>data_type</e>
           <any><e>data_column</e></any>
           <o><e>group_column</e></o>
+          <o><e>subgroup_column</e></o>
           <any><e>text_column</e></any>
           <or>
             <any><e>group</e></any>
@@ -7951,6 +7952,11 @@ END:VCALENDAR
           <summary>The column the data is grouped by</summary>
           <pattern><t>text</t></pattern>
         </ele>
+        <ele>
+          <name>subgroup_column</name>
+          <summary>The column to further group the resources by</summary>
+          <pattern><t>text</t></pattern>
+        </ele>
         <ele>
           <name>text_column</name>
           <summary>A simple text column</summary>