The source or target of a transition.
Attributes:
page (google.cloud.dialogflowcx_v3beta1.types.Page):
Indicates a transition to a
[Page][google.cloud.dialogflow.cx.v3beta1.Page]. Only some
fields such as name and displayname will be set.
flow (google.cloud.dialogflowcx_v3beta1.types.Flow):
Indicates a transition to a
[Flow][google.cloud.dialogflow.cx.v3beta1.Flow]. Only some
fields such as name and displayname will be set.