The request message for
[Versions.ListVersions][google.cloud.dialogflow.cx.v3beta1.Versions.ListVersions].
Attributes:
parent (str):
Required. The
[Flow][google.cloud.dialogflow.cx.v3beta1.Flow] to list all
versions for. Format:
projects/<Project ID>/locations/<Location ID>/agents/<Agent ID>/flows/<Flow ID>.
page_size (int):
The maximum number of items to return in a
single page. By default 20 and at most 100.
page_token (str):
The next_page_token value returned from a previous list
request.