Enum describing the goal of the Fixed CPM bidding strategy.

[Proto definition ![GitHub](https://developers.google.com/site-assets/logo-github.svg)](https://github.com/googleapis/googleapis/blob/master/google/ads/googleads/v24/enums/fixed_cpm_goal.proto)

| Enums ||
|---|---|
| ## `REACH` | Maximize reach, that is the number of users who saw the ads in this campaign. |
| ## `TARGET_FREQUENCY` | Target Frequency CPM bidder. Optimize bidding to reach a single user with the requested frequency. |
| ## `UNKNOWN` | Used for return value only. Represents value unknown in this version. |
| ## `UNSPECIFIED` | Not specified. |