feat(v3beta1): added TelephonyTransferCall in response message

google/cloud/dialogflowcx_v3beta1/types/response_message.py

@@ -104,6 +104,12 @@ class ResponseMessage(proto.Message):
             This message is generated by Dialogflow only and not
             supposed to be defined by the user.
 
+            This field is a member of `oneof`_ ``message``.
+        telephony_transfer_call (google.cloud.dialogflowcx_v3beta1.types.ResponseMessage.TelephonyTransferCall):
+            A signal that the client should transfer the
+            phone call connected to this agent to a third-
+            party endpoint.
+
             This field is a member of `oneof`_ ``message``.
     """
 
@@ -288,6 +294,23 @@ class Segment(proto.Message):
             proto.MESSAGE, number=1, message="ResponseMessage.MixedAudio.Segment",
         )
 
+    class TelephonyTransferCall(proto.Message):
+        r"""Represents the signal that telles the client to transfer the
+        phone call connected to the agent to a third-party endpoint.
+
+
+        .. _oneof: https://proto-plus-python.readthedocs.io/en/stable/fields.html#oneofs-mutually-exclusive-fields
+
+        Attributes:
+            phone_number (str):
+                Transfer the call to a phone number in `E.164
+                format <https://en.wikipedia.org/wiki/E.164>`__.
+
+                This field is a member of `oneof`_ ``endpoint``.
+        """
+
+        phone_number = proto.Field(proto.STRING, number=1, oneof="endpoint",)
+
     text = proto.Field(proto.MESSAGE, number=1, oneof="message", message=Text,)
     payload = proto.Field(
         proto.MESSAGE, number=2, oneof="message", message=struct_pb2.Struct,
@@ -310,6 +333,9 @@ class Segment(proto.Message):
     mixed_audio = proto.Field(
         proto.MESSAGE, number=13, oneof="message", message=MixedAudio,
     )
+    telephony_transfer_call = proto.Field(
+        proto.MESSAGE, number=18, oneof="message", message=TelephonyTransferCall,
+    )
 
 
 __all__ = tuple(sorted(__protobuf__.manifest))