Response for applying an incentive.

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

| Fields ||
|---|---|
| ## `coupon_code` | `string` The coupon code of the applied incentive. A globally unique identifier of the applied incentive. This code is separate and distinct from the selected_incentive_id in the request. |
| ## `creation_time` | `string` The timestamp when this incentive was applied. The timestamp is in UTC timezone and in "yyyy-MM-dd HH:mm:ss" format. |