A keyword criterion.

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

| Fields ||
|---|---|
| ## `match_type` | `https://developers.google.com/google-ads/api/reference/rpc/v26/KeywordMatchTypeEnum.KeywordMatchType` The match type of the keyword. |
| ## `text` | `string` The text of the keyword (at most 80 characters and 10 words). |