feat(v3): added the display name of the current page in webhook reque…

…sts (#221)

- [ ] Regenerate this pull request now.

PiperOrigin-RevId: 417856712

Source-Link: googleapis/googleapis@285ed91

Source-Link: https://github.com/googleapis/googleapis-gen/commit/7d528057724e1d42882a7bcd67bfa06951cbf1ca
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiN2Q1MjgwNTc3MjRlMWQ0Mjg4MmE3YmNkNjdiZmEwNjk1MWNiZjFjYSJ9

google/cloud/dialogflowcx_v3/types/webhook.py

@@ -529,6 +529,12 @@ class PageInfo(proto.Message):
             [WebhookResponse][google.cloud.dialogflow.cx.v3.WebhookResponse].
             The unique identifier of the current page. Format:
             ``projects/<Project ID>/locations/<Location ID>/agents/<Agent ID>/flows/<Flow ID>/pages/<Page ID>``.
+        display_name (str):
+            Always present for
+            [WebhookRequest][google.cloud.dialogflow.cx.v3.WebhookRequest].
+            Ignored for
+            [WebhookResponse][google.cloud.dialogflow.cx.v3.WebhookResponse].
+            The display name of the current page.
         form_info (google.cloud.dialogflowcx_v3.types.PageInfo.FormInfo):
             Optional for both
             [WebhookRequest][google.cloud.dialogflow.cx.v3.WebhookRequest]
@@ -617,6 +623,7 @@ class ParameterState(proto.Enum):
         )
 
     current_page = proto.Field(proto.STRING, number=1,)
+    display_name = proto.Field(proto.STRING, number=4,)
     form_info = proto.Field(proto.MESSAGE, number=3, message=FormInfo,)