Conversion environment of the uploaded conversion.

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

| Enums ||
|---|---|
| ## `APP` | The conversion was recorded on an app. |
| ## `UNKNOWN` | Used for return value only. Represents value unknown in this version. |
| ## `UNSPECIFIED` | Not specified. |
| ## `WEB` | The conversion was recorded on a website. |