This type has no fields.
Response message for the BookCampaigns action. Note that if the response contains errors, the action response will not be returned, but a quote may still be returned in the ErrorDetails.reservation_error_details field.

[Proto definition ![GitHub](https://developers.google.com/site-assets/logo-github.svg)](https://github.com/googleapis/googleapis/blob/master/google/ads/googleads/v26/actions/book_campaigns.proto)