A list of geo target constant resource names.

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

| Fields ||
|---|---|
| ## `geo_target_constants[]` | `string` A list of geo target constant resource names. |