diff --git a/google/cloud/dialogflowcx_v3beta1/services/agents/async_client.py b/google/cloud/dialogflowcx_v3beta1/services/agents/async_client.py
index 7f0d9740..d2de4d33 100644
--- a/google/cloud/dialogflowcx_v3beta1/services/agents/async_client.py
+++ b/google/cloud/dialogflowcx_v3beta1/services/agents/async_client.py
@@ -354,6 +354,10 @@ async def create_agent(
     ) -> gcdc_agent.Agent:
         r"""Creates an agent in the specified location.
 
+        Note: You should always train a flow prior to sending it
+        queries. See the `training
+        documentation <https://cloud.google.com/dialogflow/cx/docs/concept/training>`__.
+
         Args:
             request (:class:`google.cloud.dialogflowcx_v3beta1.types.CreateAgentRequest`):
                 The request object. The request message for
@@ -445,6 +449,10 @@ async def update_agent(
     ) -> gcdc_agent.Agent:
         r"""Updates the specified agent.
 
+        Note: You should always train a flow prior to sending it
+        queries. See the `training
+        documentation <https://cloud.google.com/dialogflow/cx/docs/concept/training>`__.
+
         Args:
             request (:class:`google.cloud.dialogflowcx_v3beta1.types.UpdateAgentRequest`):
                 The request object. The request message for
@@ -661,9 +669,14 @@ async def restore_agent(
         metadata: Sequence[Tuple[str, str]] = (),
     ) -> operation_async.AsyncOperation:
         r"""Restores the specified agent from a binary file.
+
         Replaces the current agent with a new one. Note that all
-        existing resources in agent (e.g. intents, entity types,
-        flows) will be removed.
+        existing resources in agent (e.g. intents, entity types, flows)
+        will be removed.
+
+        Note: You should always train a flow prior to sending it
+        queries. See the `training
+        documentation <https://cloud.google.com/dialogflow/cx/docs/concept/training>`__.
 
         Args:
             request (:class:`google.cloud.dialogflowcx_v3beta1.types.RestoreAgentRequest`):
diff --git a/google/cloud/dialogflowcx_v3beta1/services/agents/client.py b/google/cloud/dialogflowcx_v3beta1/services/agents/client.py
index 470a5baf..0eb3b793 100644
--- a/google/cloud/dialogflowcx_v3beta1/services/agents/client.py
+++ b/google/cloud/dialogflowcx_v3beta1/services/agents/client.py
@@ -615,6 +615,10 @@ def create_agent(
     ) -> gcdc_agent.Agent:
         r"""Creates an agent in the specified location.
 
+        Note: You should always train a flow prior to sending it
+        queries. See the `training
+        documentation <https://cloud.google.com/dialogflow/cx/docs/concept/training>`__.
+
         Args:
             request (google.cloud.dialogflowcx_v3beta1.types.CreateAgentRequest):
                 The request object. The request message for
@@ -706,6 +710,10 @@ def update_agent(
     ) -> gcdc_agent.Agent:
         r"""Updates the specified agent.
 
+        Note: You should always train a flow prior to sending it
+        queries. See the `training
+        documentation <https://cloud.google.com/dialogflow/cx/docs/concept/training>`__.
+
         Args:
             request (google.cloud.dialogflowcx_v3beta1.types.UpdateAgentRequest):
                 The request object. The request message for
@@ -923,9 +931,14 @@ def restore_agent(
         metadata: Sequence[Tuple[str, str]] = (),
     ) -> operation.Operation:
         r"""Restores the specified agent from a binary file.
+
         Replaces the current agent with a new one. Note that all
-        existing resources in agent (e.g. intents, entity types,
-        flows) will be removed.
+        existing resources in agent (e.g. intents, entity types, flows)
+        will be removed.
+
+        Note: You should always train a flow prior to sending it
+        queries. See the `training
+        documentation <https://cloud.google.com/dialogflow/cx/docs/concept/training>`__.
 
         Args:
             request (google.cloud.dialogflowcx_v3beta1.types.RestoreAgentRequest):
diff --git a/google/cloud/dialogflowcx_v3beta1/services/agents/transports/grpc.py b/google/cloud/dialogflowcx_v3beta1/services/agents/transports/grpc.py
index b3de9352..7fce42fd 100644
--- a/google/cloud/dialogflowcx_v3beta1/services/agents/transports/grpc.py
+++ b/google/cloud/dialogflowcx_v3beta1/services/agents/transports/grpc.py
@@ -300,6 +300,10 @@ def create_agent(
 
         Creates an agent in the specified location.
 
+        Note: You should always train a flow prior to sending it
+        queries. See the `training
+        documentation <https://cloud.google.com/dialogflow/cx/docs/concept/training>`__.
+
         Returns:
             Callable[[~.CreateAgentRequest],
                     ~.Agent]:
@@ -326,6 +330,10 @@ def update_agent(
 
         Updates the specified agent.
 
+        Note: You should always train a flow prior to sending it
+        queries. See the `training
+        documentation <https://cloud.google.com/dialogflow/cx/docs/concept/training>`__.
+
         Returns:
             Callable[[~.UpdateAgentRequest],
                     ~.Agent]:
@@ -401,9 +409,14 @@ def restore_agent(
         r"""Return a callable for the restore agent method over gRPC.
 
         Restores the specified agent from a binary file.
+
         Replaces the current agent with a new one. Note that all
-        existing resources in agent (e.g. intents, entity types,
-        flows) will be removed.
+        existing resources in agent (e.g. intents, entity types, flows)
+        will be removed.
+
+        Note: You should always train a flow prior to sending it
+        queries. See the `training
+        documentation <https://cloud.google.com/dialogflow/cx/docs/concept/training>`__.
 
         Returns:
             Callable[[~.RestoreAgentRequest],
diff --git a/google/cloud/dialogflowcx_v3beta1/services/agents/transports/grpc_asyncio.py b/google/cloud/dialogflowcx_v3beta1/services/agents/transports/grpc_asyncio.py
index bdcd0538..4a0e2ec2 100644
--- a/google/cloud/dialogflowcx_v3beta1/services/agents/transports/grpc_asyncio.py
+++ b/google/cloud/dialogflowcx_v3beta1/services/agents/transports/grpc_asyncio.py
@@ -305,6 +305,10 @@ def create_agent(
 
         Creates an agent in the specified location.
 
+        Note: You should always train a flow prior to sending it
+        queries. See the `training
+        documentation <https://cloud.google.com/dialogflow/cx/docs/concept/training>`__.
+
         Returns:
             Callable[[~.CreateAgentRequest],
                     Awaitable[~.Agent]]:
@@ -331,6 +335,10 @@ def update_agent(
 
         Updates the specified agent.
 
+        Note: You should always train a flow prior to sending it
+        queries. See the `training
+        documentation <https://cloud.google.com/dialogflow/cx/docs/concept/training>`__.
+
         Returns:
             Callable[[~.UpdateAgentRequest],
                     Awaitable[~.Agent]]:
@@ -408,9 +416,14 @@ def restore_agent(
         r"""Return a callable for the restore agent method over gRPC.
 
         Restores the specified agent from a binary file.
+
         Replaces the current agent with a new one. Note that all
-        existing resources in agent (e.g. intents, entity types,
-        flows) will be removed.
+        existing resources in agent (e.g. intents, entity types, flows)
+        will be removed.
+
+        Note: You should always train a flow prior to sending it
+        queries. See the `training
+        documentation <https://cloud.google.com/dialogflow/cx/docs/concept/training>`__.
 
         Returns:
             Callable[[~.RestoreAgentRequest],
diff --git a/google/cloud/dialogflowcx_v3beta1/services/entity_types/async_client.py b/google/cloud/dialogflowcx_v3beta1/services/entity_types/async_client.py
index dda5c1e4..d6783258 100644
--- a/google/cloud/dialogflowcx_v3beta1/services/entity_types/async_client.py
+++ b/google/cloud/dialogflowcx_v3beta1/services/entity_types/async_client.py
@@ -469,6 +469,10 @@ async def update_entity_type(
     ) -> gcdc_entity_type.EntityType:
         r"""Updates the specified entity type.
 
+        Note: You should always train a flow prior to sending it
+        queries. See the `training
+        documentation <https://cloud.google.com/dialogflow/cx/docs/concept/training>`__.
+
         Args:
             request (:class:`google.cloud.dialogflowcx_v3beta1.types.UpdateEntityTypeRequest`):
                 The request object. The request message for
@@ -581,6 +585,10 @@ async def delete_entity_type(
     ) -> None:
         r"""Deletes the specified entity type.
 
+        Note: You should always train a flow prior to sending it
+        queries. See the `training
+        documentation <https://cloud.google.com/dialogflow/cx/docs/concept/training>`__.
+
         Args:
             request (:class:`google.cloud.dialogflowcx_v3beta1.types.DeleteEntityTypeRequest`):
                 The request object. The request message for
diff --git a/google/cloud/dialogflowcx_v3beta1/services/entity_types/client.py b/google/cloud/dialogflowcx_v3beta1/services/entity_types/client.py
index 77b0b2bc..791108c7 100644
--- a/google/cloud/dialogflowcx_v3beta1/services/entity_types/client.py
+++ b/google/cloud/dialogflowcx_v3beta1/services/entity_types/client.py
@@ -658,6 +658,10 @@ def update_entity_type(
     ) -> gcdc_entity_type.EntityType:
         r"""Updates the specified entity type.
 
+        Note: You should always train a flow prior to sending it
+        queries. See the `training
+        documentation <https://cloud.google.com/dialogflow/cx/docs/concept/training>`__.
+
         Args:
             request (google.cloud.dialogflowcx_v3beta1.types.UpdateEntityTypeRequest):
                 The request object. The request message for
@@ -770,6 +774,10 @@ def delete_entity_type(
     ) -> None:
         r"""Deletes the specified entity type.
 
+        Note: You should always train a flow prior to sending it
+        queries. See the `training
+        documentation <https://cloud.google.com/dialogflow/cx/docs/concept/training>`__.
+
         Args:
             request (google.cloud.dialogflowcx_v3beta1.types.DeleteEntityTypeRequest):
                 The request object. The request message for
diff --git a/google/cloud/dialogflowcx_v3beta1/services/entity_types/transports/grpc.py b/google/cloud/dialogflowcx_v3beta1/services/entity_types/transports/grpc.py
index a709a61c..2462e319 100644
--- a/google/cloud/dialogflowcx_v3beta1/services/entity_types/transports/grpc.py
+++ b/google/cloud/dialogflowcx_v3beta1/services/entity_types/transports/grpc.py
@@ -317,6 +317,10 @@ def update_entity_type(
 
         Updates the specified entity type.
 
+        Note: You should always train a flow prior to sending it
+        queries. See the `training
+        documentation <https://cloud.google.com/dialogflow/cx/docs/concept/training>`__.
+
         Returns:
             Callable[[~.UpdateEntityTypeRequest],
                     ~.EntityType]:
@@ -343,6 +347,10 @@ def delete_entity_type(
 
         Deletes the specified entity type.
 
+        Note: You should always train a flow prior to sending it
+        queries. See the `training
+        documentation <https://cloud.google.com/dialogflow/cx/docs/concept/training>`__.
+
         Returns:
             Callable[[~.DeleteEntityTypeRequest],
                     ~.Empty]:
diff --git a/google/cloud/dialogflowcx_v3beta1/services/entity_types/transports/grpc_asyncio.py b/google/cloud/dialogflowcx_v3beta1/services/entity_types/transports/grpc_asyncio.py
index c565b0fc..d5d31769 100644
--- a/google/cloud/dialogflowcx_v3beta1/services/entity_types/transports/grpc_asyncio.py
+++ b/google/cloud/dialogflowcx_v3beta1/services/entity_types/transports/grpc_asyncio.py
@@ -325,6 +325,10 @@ def update_entity_type(
 
         Updates the specified entity type.
 
+        Note: You should always train a flow prior to sending it
+        queries. See the `training
+        documentation <https://cloud.google.com/dialogflow/cx/docs/concept/training>`__.
+
         Returns:
             Callable[[~.UpdateEntityTypeRequest],
                     Awaitable[~.EntityType]]:
@@ -351,6 +355,10 @@ def delete_entity_type(
 
         Deletes the specified entity type.
 
+        Note: You should always train a flow prior to sending it
+        queries. See the `training
+        documentation <https://cloud.google.com/dialogflow/cx/docs/concept/training>`__.
+
         Returns:
             Callable[[~.DeleteEntityTypeRequest],
                     Awaitable[~.Empty]]:
diff --git a/google/cloud/dialogflowcx_v3beta1/services/flows/async_client.py b/google/cloud/dialogflowcx_v3beta1/services/flows/async_client.py
index 53b414fb..36aa1327 100644
--- a/google/cloud/dialogflowcx_v3beta1/services/flows/async_client.py
+++ b/google/cloud/dialogflowcx_v3beta1/services/flows/async_client.py
@@ -188,6 +188,10 @@ async def create_flow(
     ) -> gcdc_flow.Flow:
         r"""Creates a flow in the specified agent.
 
+        Note: You should always train a flow prior to sending it
+        queries. See the `training
+        documentation <https://cloud.google.com/dialogflow/cx/docs/concept/training>`__.
+
         Args:
             request (:class:`google.cloud.dialogflowcx_v3beta1.types.CreateFlowRequest`):
                 The request object. The request message for
@@ -524,6 +528,10 @@ async def update_flow(
     ) -> gcdc_flow.Flow:
         r"""Updates the specified flow.
 
+        Note: You should always train a flow prior to sending it
+        queries. See the `training
+        documentation <https://cloud.google.com/dialogflow/cx/docs/concept/training>`__.
+
         Args:
             request (:class:`google.cloud.dialogflowcx_v3beta1.types.UpdateFlowRequest`):
                 The request object. The request message for
@@ -624,8 +632,12 @@ async def train_flow(
         timeout: float = None,
         metadata: Sequence[Tuple[str, str]] = (),
     ) -> operation_async.AsyncOperation:
-        r"""Trains the specified flow. Note that only the flow in
-        'draft' environment is trained.
+        r"""Trains the specified flow. Note that only the flow in 'draft'
+        environment is trained.
+
+        Note: You should always train a flow prior to sending it
+        queries. See the `training
+        documentation <https://cloud.google.com/dialogflow/cx/docs/concept/training>`__.
 
         Args:
             request (:class:`google.cloud.dialogflowcx_v3beta1.types.TrainFlowRequest`):
@@ -840,8 +852,12 @@ async def import_flow(
         timeout: float = None,
         metadata: Sequence[Tuple[str, str]] = (),
     ) -> operation_async.AsyncOperation:
-        r"""Imports the specified flow to the specified agent
-        from a binary file.
+        r"""Imports the specified flow to the specified agent from a binary
+        file.
+
+        Note: You should always train a flow prior to sending it
+        queries. See the `training
+        documentation <https://cloud.google.com/dialogflow/cx/docs/concept/training>`__.
 
         Args:
             request (:class:`google.cloud.dialogflowcx_v3beta1.types.ImportFlowRequest`):
diff --git a/google/cloud/dialogflowcx_v3beta1/services/flows/client.py b/google/cloud/dialogflowcx_v3beta1/services/flows/client.py
index 0f081120..dd898a12 100644
--- a/google/cloud/dialogflowcx_v3beta1/services/flows/client.py
+++ b/google/cloud/dialogflowcx_v3beta1/services/flows/client.py
@@ -457,6 +457,10 @@ def create_flow(
     ) -> gcdc_flow.Flow:
         r"""Creates a flow in the specified agent.
 
+        Note: You should always train a flow prior to sending it
+        queries. See the `training
+        documentation <https://cloud.google.com/dialogflow/cx/docs/concept/training>`__.
+
         Args:
             request (google.cloud.dialogflowcx_v3beta1.types.CreateFlowRequest):
                 The request object. The request message for
@@ -793,6 +797,10 @@ def update_flow(
     ) -> gcdc_flow.Flow:
         r"""Updates the specified flow.
 
+        Note: You should always train a flow prior to sending it
+        queries. See the `training
+        documentation <https://cloud.google.com/dialogflow/cx/docs/concept/training>`__.
+
         Args:
             request (google.cloud.dialogflowcx_v3beta1.types.UpdateFlowRequest):
                 The request object. The request message for
@@ -893,8 +901,12 @@ def train_flow(
         timeout: float = None,
         metadata: Sequence[Tuple[str, str]] = (),
     ) -> operation.Operation:
-        r"""Trains the specified flow. Note that only the flow in
-        'draft' environment is trained.
+        r"""Trains the specified flow. Note that only the flow in 'draft'
+        environment is trained.
+
+        Note: You should always train a flow prior to sending it
+        queries. See the `training
+        documentation <https://cloud.google.com/dialogflow/cx/docs/concept/training>`__.
 
         Args:
             request (google.cloud.dialogflowcx_v3beta1.types.TrainFlowRequest):
@@ -1112,8 +1124,12 @@ def import_flow(
         timeout: float = None,
         metadata: Sequence[Tuple[str, str]] = (),
     ) -> operation.Operation:
-        r"""Imports the specified flow to the specified agent
-        from a binary file.
+        r"""Imports the specified flow to the specified agent from a binary
+        file.
+
+        Note: You should always train a flow prior to sending it
+        queries. See the `training
+        documentation <https://cloud.google.com/dialogflow/cx/docs/concept/training>`__.
 
         Args:
             request (google.cloud.dialogflowcx_v3beta1.types.ImportFlowRequest):
diff --git a/google/cloud/dialogflowcx_v3beta1/services/flows/transports/grpc.py b/google/cloud/dialogflowcx_v3beta1/services/flows/transports/grpc.py
index f802da9b..6ee86f4a 100644
--- a/google/cloud/dialogflowcx_v3beta1/services/flows/transports/grpc.py
+++ b/google/cloud/dialogflowcx_v3beta1/services/flows/transports/grpc.py
@@ -247,6 +247,10 @@ def create_flow(self) -> Callable[[gcdc_flow.CreateFlowRequest], gcdc_flow.Flow]
 
         Creates a flow in the specified agent.
 
+        Note: You should always train a flow prior to sending it
+        queries. See the `training
+        documentation <https://cloud.google.com/dialogflow/cx/docs/concept/training>`__.
+
         Returns:
             Callable[[~.CreateFlowRequest],
                     ~.Flow]:
@@ -343,6 +347,10 @@ def update_flow(self) -> Callable[[gcdc_flow.UpdateFlowRequest], gcdc_flow.Flow]
 
         Updates the specified flow.
 
+        Note: You should always train a flow prior to sending it
+        queries. See the `training
+        documentation <https://cloud.google.com/dialogflow/cx/docs/concept/training>`__.
+
         Returns:
             Callable[[~.UpdateFlowRequest],
                     ~.Flow]:
@@ -365,8 +373,12 @@ def update_flow(self) -> Callable[[gcdc_flow.UpdateFlowRequest], gcdc_flow.Flow]
     def train_flow(self) -> Callable[[flow.TrainFlowRequest], operations_pb2.Operation]:
         r"""Return a callable for the train flow method over gRPC.
 
-        Trains the specified flow. Note that only the flow in
-        'draft' environment is trained.
+        Trains the specified flow. Note that only the flow in 'draft'
+        environment is trained.
+
+        Note: You should always train a flow prior to sending it
+        queries. See the `training
+        documentation <https://cloud.google.com/dialogflow/cx/docs/concept/training>`__.
 
         Returns:
             Callable[[~.TrainFlowRequest],
@@ -448,8 +460,12 @@ def import_flow(
     ) -> Callable[[flow.ImportFlowRequest], operations_pb2.Operation]:
         r"""Return a callable for the import flow method over gRPC.
 
-        Imports the specified flow to the specified agent
-        from a binary file.
+        Imports the specified flow to the specified agent from a binary
+        file.
+
+        Note: You should always train a flow prior to sending it
+        queries. See the `training
+        documentation <https://cloud.google.com/dialogflow/cx/docs/concept/training>`__.
 
         Returns:
             Callable[[~.ImportFlowRequest],
diff --git a/google/cloud/dialogflowcx_v3beta1/services/flows/transports/grpc_asyncio.py b/google/cloud/dialogflowcx_v3beta1/services/flows/transports/grpc_asyncio.py
index 6c2f560e..8a2f803f 100644
--- a/google/cloud/dialogflowcx_v3beta1/services/flows/transports/grpc_asyncio.py
+++ b/google/cloud/dialogflowcx_v3beta1/services/flows/transports/grpc_asyncio.py
@@ -254,6 +254,10 @@ def create_flow(
 
         Creates a flow in the specified agent.
 
+        Note: You should always train a flow prior to sending it
+        queries. See the `training
+        documentation <https://cloud.google.com/dialogflow/cx/docs/concept/training>`__.
+
         Returns:
             Callable[[~.CreateFlowRequest],
                     Awaitable[~.Flow]]:
@@ -356,6 +360,10 @@ def update_flow(
 
         Updates the specified flow.
 
+        Note: You should always train a flow prior to sending it
+        queries. See the `training
+        documentation <https://cloud.google.com/dialogflow/cx/docs/concept/training>`__.
+
         Returns:
             Callable[[~.UpdateFlowRequest],
                     Awaitable[~.Flow]]:
@@ -380,8 +388,12 @@ def train_flow(
     ) -> Callable[[flow.TrainFlowRequest], Awaitable[operations_pb2.Operation]]:
         r"""Return a callable for the train flow method over gRPC.
 
-        Trains the specified flow. Note that only the flow in
-        'draft' environment is trained.
+        Trains the specified flow. Note that only the flow in 'draft'
+        environment is trained.
+
+        Note: You should always train a flow prior to sending it
+        queries. See the `training
+        documentation <https://cloud.google.com/dialogflow/cx/docs/concept/training>`__.
 
         Returns:
             Callable[[~.TrainFlowRequest],
@@ -465,8 +477,12 @@ def import_flow(
     ) -> Callable[[flow.ImportFlowRequest], Awaitable[operations_pb2.Operation]]:
         r"""Return a callable for the import flow method over gRPC.
 
-        Imports the specified flow to the specified agent
-        from a binary file.
+        Imports the specified flow to the specified agent from a binary
+        file.
+
+        Note: You should always train a flow prior to sending it
+        queries. See the `training
+        documentation <https://cloud.google.com/dialogflow/cx/docs/concept/training>`__.
 
         Returns:
             Callable[[~.ImportFlowRequest],
diff --git a/google/cloud/dialogflowcx_v3beta1/services/intents/async_client.py b/google/cloud/dialogflowcx_v3beta1/services/intents/async_client.py
index 9381483d..64f922bb 100644
--- a/google/cloud/dialogflowcx_v3beta1/services/intents/async_client.py
+++ b/google/cloud/dialogflowcx_v3beta1/services/intents/async_client.py
@@ -328,6 +328,10 @@ async def create_intent(
     ) -> gcdc_intent.Intent:
         r"""Creates an intent in the specified agent.
 
+        Note: You should always train a flow prior to sending it
+        queries. See the `training
+        documentation <https://cloud.google.com/dialogflow/cx/docs/concept/training>`__.
+
         Args:
             request (:class:`google.cloud.dialogflowcx_v3beta1.types.CreateIntentRequest`):
                 The request object. The request message for
@@ -412,6 +416,10 @@ async def update_intent(
     ) -> gcdc_intent.Intent:
         r"""Updates the specified intent.
 
+        Note: You should always train a flow prior to sending it
+        queries. See the `training
+        documentation <https://cloud.google.com/dialogflow/cx/docs/concept/training>`__.
+
         Args:
             request (:class:`google.cloud.dialogflowcx_v3beta1.types.UpdateIntentRequest`):
                 The request object. The request message for
@@ -498,6 +506,10 @@ async def delete_intent(
     ) -> None:
         r"""Deletes the specified intent.
 
+        Note: You should always train a flow prior to sending it
+        queries. See the `training
+        documentation <https://cloud.google.com/dialogflow/cx/docs/concept/training>`__.
+
         Args:
             request (:class:`google.cloud.dialogflowcx_v3beta1.types.DeleteIntentRequest`):
                 The request object. The request message for
diff --git a/google/cloud/dialogflowcx_v3beta1/services/intents/client.py b/google/cloud/dialogflowcx_v3beta1/services/intents/client.py
index 1ca249f7..937b24be 100644
--- a/google/cloud/dialogflowcx_v3beta1/services/intents/client.py
+++ b/google/cloud/dialogflowcx_v3beta1/services/intents/client.py
@@ -535,6 +535,10 @@ def create_intent(
     ) -> gcdc_intent.Intent:
         r"""Creates an intent in the specified agent.
 
+        Note: You should always train a flow prior to sending it
+        queries. See the `training
+        documentation <https://cloud.google.com/dialogflow/cx/docs/concept/training>`__.
+
         Args:
             request (google.cloud.dialogflowcx_v3beta1.types.CreateIntentRequest):
                 The request object. The request message for
@@ -619,6 +623,10 @@ def update_intent(
     ) -> gcdc_intent.Intent:
         r"""Updates the specified intent.
 
+        Note: You should always train a flow prior to sending it
+        queries. See the `training
+        documentation <https://cloud.google.com/dialogflow/cx/docs/concept/training>`__.
+
         Args:
             request (google.cloud.dialogflowcx_v3beta1.types.UpdateIntentRequest):
                 The request object. The request message for
@@ -705,6 +713,10 @@ def delete_intent(
     ) -> None:
         r"""Deletes the specified intent.
 
+        Note: You should always train a flow prior to sending it
+        queries. See the `training
+        documentation <https://cloud.google.com/dialogflow/cx/docs/concept/training>`__.
+
         Args:
             request (google.cloud.dialogflowcx_v3beta1.types.DeleteIntentRequest):
                 The request object. The request message for
diff --git a/google/cloud/dialogflowcx_v3beta1/services/intents/transports/grpc.py b/google/cloud/dialogflowcx_v3beta1/services/intents/transports/grpc.py
index e2da4f31..a3752d50 100644
--- a/google/cloud/dialogflowcx_v3beta1/services/intents/transports/grpc.py
+++ b/google/cloud/dialogflowcx_v3beta1/services/intents/transports/grpc.py
@@ -283,6 +283,10 @@ def create_intent(
 
         Creates an intent in the specified agent.
 
+        Note: You should always train a flow prior to sending it
+        queries. See the `training
+        documentation <https://cloud.google.com/dialogflow/cx/docs/concept/training>`__.
+
         Returns:
             Callable[[~.CreateIntentRequest],
                     ~.Intent]:
@@ -309,6 +313,10 @@ def update_intent(
 
         Updates the specified intent.
 
+        Note: You should always train a flow prior to sending it
+        queries. See the `training
+        documentation <https://cloud.google.com/dialogflow/cx/docs/concept/training>`__.
+
         Returns:
             Callable[[~.UpdateIntentRequest],
                     ~.Intent]:
@@ -333,6 +341,10 @@ def delete_intent(self) -> Callable[[intent.DeleteIntentRequest], empty_pb2.Empt
 
         Deletes the specified intent.
 
+        Note: You should always train a flow prior to sending it
+        queries. See the `training
+        documentation <https://cloud.google.com/dialogflow/cx/docs/concept/training>`__.
+
         Returns:
             Callable[[~.DeleteIntentRequest],
                     ~.Empty]:
diff --git a/google/cloud/dialogflowcx_v3beta1/services/intents/transports/grpc_asyncio.py b/google/cloud/dialogflowcx_v3beta1/services/intents/transports/grpc_asyncio.py
index f2057bf1..902e63a0 100644
--- a/google/cloud/dialogflowcx_v3beta1/services/intents/transports/grpc_asyncio.py
+++ b/google/cloud/dialogflowcx_v3beta1/services/intents/transports/grpc_asyncio.py
@@ -288,6 +288,10 @@ def create_intent(
 
         Creates an intent in the specified agent.
 
+        Note: You should always train a flow prior to sending it
+        queries. See the `training
+        documentation <https://cloud.google.com/dialogflow/cx/docs/concept/training>`__.
+
         Returns:
             Callable[[~.CreateIntentRequest],
                     Awaitable[~.Intent]]:
@@ -314,6 +318,10 @@ def update_intent(
 
         Updates the specified intent.
 
+        Note: You should always train a flow prior to sending it
+        queries. See the `training
+        documentation <https://cloud.google.com/dialogflow/cx/docs/concept/training>`__.
+
         Returns:
             Callable[[~.UpdateIntentRequest],
                     Awaitable[~.Intent]]:
@@ -340,6 +348,10 @@ def delete_intent(
 
         Deletes the specified intent.
 
+        Note: You should always train a flow prior to sending it
+        queries. See the `training
+        documentation <https://cloud.google.com/dialogflow/cx/docs/concept/training>`__.
+
         Returns:
             Callable[[~.DeleteIntentRequest],
                     Awaitable[~.Empty]]:
diff --git a/google/cloud/dialogflowcx_v3beta1/services/transition_route_groups/async_client.py b/google/cloud/dialogflowcx_v3beta1/services/transition_route_groups/async_client.py
index ebd3a056..9c14f4d3 100644
--- a/google/cloud/dialogflowcx_v3beta1/services/transition_route_groups/async_client.py
+++ b/google/cloud/dialogflowcx_v3beta1/services/transition_route_groups/async_client.py
@@ -355,6 +355,10 @@ async def create_transition_route_group(
         [TransitionRouteGroup][google.cloud.dialogflow.cx.v3beta1.TransitionRouteGroup]
         in the specified flow.
 
+        Note: You should always train a flow prior to sending it
+        queries. See the `training
+        documentation <https://cloud.google.com/dialogflow/cx/docs/concept/training>`__.
+
         Args:
             request (:class:`google.cloud.dialogflowcx_v3beta1.types.CreateTransitionRouteGroupRequest`):
                 The request object. The request message for
@@ -441,6 +445,10 @@ async def update_transition_route_group(
         r"""Updates the specified
         [TransitionRouteGroup][google.cloud.dialogflow.cx.v3beta1.TransitionRouteGroup].
 
+        Note: You should always train a flow prior to sending it
+        queries. See the `training
+        documentation <https://cloud.google.com/dialogflow/cx/docs/concept/training>`__.
+
         Args:
             request (:class:`google.cloud.dialogflowcx_v3beta1.types.UpdateTransitionRouteGroupRequest`):
                 The request object. The request message for
@@ -526,6 +534,10 @@ async def delete_transition_route_group(
         r"""Deletes the specified
         [TransitionRouteGroup][google.cloud.dialogflow.cx.v3beta1.TransitionRouteGroup].
 
+        Note: You should always train a flow prior to sending it
+        queries. See the `training
+        documentation <https://cloud.google.com/dialogflow/cx/docs/concept/training>`__.
+
         Args:
             request (:class:`google.cloud.dialogflowcx_v3beta1.types.DeleteTransitionRouteGroupRequest`):
                 The request object. The request message for
diff --git a/google/cloud/dialogflowcx_v3beta1/services/transition_route_groups/client.py b/google/cloud/dialogflowcx_v3beta1/services/transition_route_groups/client.py
index 9cab10af..71bf0139 100644
--- a/google/cloud/dialogflowcx_v3beta1/services/transition_route_groups/client.py
+++ b/google/cloud/dialogflowcx_v3beta1/services/transition_route_groups/client.py
@@ -607,6 +607,10 @@ def create_transition_route_group(
         [TransitionRouteGroup][google.cloud.dialogflow.cx.v3beta1.TransitionRouteGroup]
         in the specified flow.
 
+        Note: You should always train a flow prior to sending it
+        queries. See the `training
+        documentation <https://cloud.google.com/dialogflow/cx/docs/concept/training>`__.
+
         Args:
             request (google.cloud.dialogflowcx_v3beta1.types.CreateTransitionRouteGroupRequest):
                 The request object. The request message for
@@ -699,6 +703,10 @@ def update_transition_route_group(
         r"""Updates the specified
         [TransitionRouteGroup][google.cloud.dialogflow.cx.v3beta1.TransitionRouteGroup].
 
+        Note: You should always train a flow prior to sending it
+        queries. See the `training
+        documentation <https://cloud.google.com/dialogflow/cx/docs/concept/training>`__.
+
         Args:
             request (google.cloud.dialogflowcx_v3beta1.types.UpdateTransitionRouteGroupRequest):
                 The request object. The request message for
@@ -790,6 +798,10 @@ def delete_transition_route_group(
         r"""Deletes the specified
         [TransitionRouteGroup][google.cloud.dialogflow.cx.v3beta1.TransitionRouteGroup].
 
+        Note: You should always train a flow prior to sending it
+        queries. See the `training
+        documentation <https://cloud.google.com/dialogflow/cx/docs/concept/training>`__.
+
         Args:
             request (google.cloud.dialogflowcx_v3beta1.types.DeleteTransitionRouteGroupRequest):
                 The request object. The request message for
diff --git a/google/cloud/dialogflowcx_v3beta1/services/transition_route_groups/transports/grpc.py b/google/cloud/dialogflowcx_v3beta1/services/transition_route_groups/transports/grpc.py
index eefe8323..ba261a12 100644
--- a/google/cloud/dialogflowcx_v3beta1/services/transition_route_groups/transports/grpc.py
+++ b/google/cloud/dialogflowcx_v3beta1/services/transition_route_groups/transports/grpc.py
@@ -299,6 +299,10 @@ def create_transition_route_group(
         [TransitionRouteGroup][google.cloud.dialogflow.cx.v3beta1.TransitionRouteGroup]
         in the specified flow.
 
+        Note: You should always train a flow prior to sending it
+        queries. See the `training
+        documentation <https://cloud.google.com/dialogflow/cx/docs/concept/training>`__.
+
         Returns:
             Callable[[~.CreateTransitionRouteGroupRequest],
                     ~.TransitionRouteGroup]:
@@ -331,6 +335,10 @@ def update_transition_route_group(
         Updates the specified
         [TransitionRouteGroup][google.cloud.dialogflow.cx.v3beta1.TransitionRouteGroup].
 
+        Note: You should always train a flow prior to sending it
+        queries. See the `training
+        documentation <https://cloud.google.com/dialogflow/cx/docs/concept/training>`__.
+
         Returns:
             Callable[[~.UpdateTransitionRouteGroupRequest],
                     ~.TransitionRouteGroup]:
@@ -362,6 +370,10 @@ def delete_transition_route_group(
         Deletes the specified
         [TransitionRouteGroup][google.cloud.dialogflow.cx.v3beta1.TransitionRouteGroup].
 
+        Note: You should always train a flow prior to sending it
+        queries. See the `training
+        documentation <https://cloud.google.com/dialogflow/cx/docs/concept/training>`__.
+
         Returns:
             Callable[[~.DeleteTransitionRouteGroupRequest],
                     ~.Empty]:
diff --git a/google/cloud/dialogflowcx_v3beta1/services/transition_route_groups/transports/grpc_asyncio.py b/google/cloud/dialogflowcx_v3beta1/services/transition_route_groups/transports/grpc_asyncio.py
index a9d6024d..6a57b980 100644
--- a/google/cloud/dialogflowcx_v3beta1/services/transition_route_groups/transports/grpc_asyncio.py
+++ b/google/cloud/dialogflowcx_v3beta1/services/transition_route_groups/transports/grpc_asyncio.py
@@ -302,6 +302,10 @@ def create_transition_route_group(
         [TransitionRouteGroup][google.cloud.dialogflow.cx.v3beta1.TransitionRouteGroup]
         in the specified flow.
 
+        Note: You should always train a flow prior to sending it
+        queries. See the `training
+        documentation <https://cloud.google.com/dialogflow/cx/docs/concept/training>`__.
+
         Returns:
             Callable[[~.CreateTransitionRouteGroupRequest],
                     Awaitable[~.TransitionRouteGroup]]:
@@ -334,6 +338,10 @@ def update_transition_route_group(
         Updates the specified
         [TransitionRouteGroup][google.cloud.dialogflow.cx.v3beta1.TransitionRouteGroup].
 
+        Note: You should always train a flow prior to sending it
+        queries. See the `training
+        documentation <https://cloud.google.com/dialogflow/cx/docs/concept/training>`__.
+
         Returns:
             Callable[[~.UpdateTransitionRouteGroupRequest],
                     Awaitable[~.TransitionRouteGroup]]:
@@ -366,6 +374,10 @@ def delete_transition_route_group(
         Deletes the specified
         [TransitionRouteGroup][google.cloud.dialogflow.cx.v3beta1.TransitionRouteGroup].
 
+        Note: You should always train a flow prior to sending it
+        queries. See the `training
+        documentation <https://cloud.google.com/dialogflow/cx/docs/concept/training>`__.
+
         Returns:
             Callable[[~.DeleteTransitionRouteGroupRequest],
                     Awaitable[~.Empty]]: