diff --git a/google/cloud/dialogflowcx_v3beta1/types/test_case.py b/google/cloud/dialogflowcx_v3beta1/types/test_case.py
index 06b6bde2..d3c4f950 100644
--- a/google/cloud/dialogflowcx_v3beta1/types/test_case.py
+++ b/google/cloud/dialogflowcx_v3beta1/types/test_case.py
@@ -199,6 +199,8 @@ class UserInput(proto.Message):
                 response to the user utterance. Often if
                 parameters are injected, webhooks should not be
                 enabled.
+            enable_sentiment_analysis (bool):
+                Whether sentiment analysis is enabled.
         """
 
         input = proto.Field(proto.MESSAGE, number=5, message=session.QueryInput,)
@@ -206,6 +208,7 @@ class UserInput(proto.Message):
             proto.MESSAGE, number=2, message=struct_pb2.Struct,
         )
         is_webhook_enabled = proto.Field(proto.BOOL, number=3,)
+        enable_sentiment_analysis = proto.Field(proto.BOOL, number=7,)
 
     class VirtualAgentOutput(proto.Message):
         r"""The output from the virtual agent.