Enum describing available third party integration partners for Brand Lift verification.

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

| Enums ||
|---|---|
| ## `DYNATA` | Dynata |
| ## `INTAGE` | Intage |
| ## `KANTAR_MILLWARD_BROWN` | Kantar |
| ## `MACROMILL` | Macromill |
| ## `UNKNOWN` | Used for return value only. Represents value unknown in this version. |
| ## `UNSPECIFIED` | Not specified. |