Container for booking details for campaigns with the FIXED_CPM or FIXED_SHARE_OF_VOICE bidding strategies.

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

| Fields ||
|---|---|
| ## `cancellation_date_time` | `string` Output only. Time when the booked inventory of this campaign will be cancelled or has been cancelled. Available for primary status NOT_ELIGIBLE if the campaign will be cancelled and for primary status reason BOOKING_CANCELLED. Format is "yyyy-MM-dd HH:mm:ss" in the customer's time zone. |
| ## `hold_expiration_date_time` | `string` Output only. Time until which booked inventory will be held or has been held for this campaign. Available for status HELD and HOLD_EXPIRED. Format is "yyyy-MM-dd HH:mm:ss" in the customer's time zone. |
| ## `status` | `https://developers.google.com/google-ads/api/reference/rpc/v26/BookingStatusEnum.BookingStatus` Output only. The status of the booking. |