diff --git a/api-ref/src/wadls/identity-api/src/v3/samples/GroupCreateResponse.json b/api-ref/src/wadls/identity-api/src/v3/samples/GroupCreateResponse.json
index c7649e6e0..f3b88d4c0 100644
--- a/api-ref/src/wadls/identity-api/src/v3/samples/GroupCreateResponse.json
+++ b/api-ref/src/wadls/identity-api/src/v3/samples/GroupCreateResponse.json
@@ -1,6 +1,7 @@
 {
     "group": {
         "description": "Developers cleared for work on secret projects",
+        "domain_id": "--domain-id--",
         "id": "--group-id--",
         "links": {
             "self": "http://identity:35357/v3/groups/--group-id--"
diff --git a/api-ref/src/wadls/identity-api/src/v3/samples/GroupGetResponse.json b/api-ref/src/wadls/identity-api/src/v3/samples/GroupGetResponse.json
index c7649e6e0..f3b88d4c0 100644
--- a/api-ref/src/wadls/identity-api/src/v3/samples/GroupGetResponse.json
+++ b/api-ref/src/wadls/identity-api/src/v3/samples/GroupGetResponse.json
@@ -1,6 +1,7 @@
 {
     "group": {
         "description": "Developers cleared for work on secret projects",
+        "domain_id": "--domain-id--",
         "id": "--group-id--",
         "links": {
             "self": "http://identity:35357/v3/groups/--group-id--"
diff --git a/api-ref/src/wadls/identity-api/src/v3/samples/GroupUpdateResponse.json b/api-ref/src/wadls/identity-api/src/v3/samples/GroupUpdateResponse.json
index c7649e6e0..f3b88d4c0 100644
--- a/api-ref/src/wadls/identity-api/src/v3/samples/GroupUpdateResponse.json
+++ b/api-ref/src/wadls/identity-api/src/v3/samples/GroupUpdateResponse.json
@@ -1,6 +1,7 @@
 {
     "group": {
         "description": "Developers cleared for work on secret projects",
+        "domain_id": "--domain-id--",
         "id": "--group-id--",
         "links": {
             "self": "http://identity:35357/v3/groups/--group-id--"