diff --git a/chat/client-libraries/cloud/update_message_app_cred.py b/chat/client-libraries/cloud/update_message_app_cred.py
index b9081dc4..40dda760 100644
--- a/chat/client-libraries/cloud/update_message_app_cred.py
+++ b/chat/client-libraries/cloud/update_message_app_cred.py
@@ -32,11 +32,15 @@ def update_message_with_app_cred():
         message = {
             # Replace SPACE_NAME and MESSAGE_NAME here
             "name": "spaces/SPACE_NAME/messages/MESSAGE_NAME",
-            "text": "Updated with app credential!"
+            "text": "Text updated with app credential!",
+            "cards_v2" : [{ "card": { "header": {
+                "title": 'Card updated with app credential!',
+                "image_url": 'https://fonts.gstatic.com/s/i/short-term/release/googlesymbols/info/default/24px.svg'
+            }}}]
         },
         # The field paths to update. Separate multiple values with commas or use
         # `*` to update all field paths.
-        update_mask = "text"
+        update_mask = "text,cardsV2"
     )
 
     # Make the request
diff --git a/chat/client-libraries/cloud/update_space_user_cred.py b/chat/client-libraries/cloud/update_space_user_cred.py
index 3d257d0b..6c3540a6 100644
--- a/chat/client-libraries/cloud/update_space_user_cred.py
+++ b/chat/client-libraries/cloud/update_space_user_cred.py
@@ -38,7 +38,7 @@ def update_space_with_user_cred():
             'display_name': 'New space display name'
         },
         # The field paths to update. Separate multiple values with commas.
-        update_mask = 'display_name'
+        update_mask = 'displayName'
     )
 
     # Make the request