An automated bid strategy that sets bids to help get as many conversions as possible at the target cost-per-acquisition (CPA) you set.

[Proto definition ![GitHub](https://developers.google.com/site-assets/logo-github.svg)](https://github.com/googleapis/googleapis/blob/master/google/ads/googleads/v25/resources/accessible_bidding_strategy.proto)

| Fields ||
|---|---|
| ## `target_cpa_micros` | `int64` Output only. Average CPA target. This target should be greater than or equal to minimum billable unit based on the currency for the account. |