Sentiment for a brand - how a brand is viewed according to content related to the brand.

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

| Enums ||
|---|---|
| ## `SENTIMENT_NEGATIVE` | The sentiment is negative. |
| ## `SENTIMENT_NEUTRAL` | The sentiment is neutral; often this label is attributed to content that is instructional (how-to videos). |
| ## `SENTIMENT_POSITIVE` | The sentiment is positive. |
| ## `UNKNOWN` | The value is unknown in this version. |
| ## `UNSPECIFIED` | Not specified. |