# KeyValueTargetingExpression

- [JSON representation](https://developers.google.com/doubleclick-advertisers/rest/v5/KeyValueTargetingExpression#SCHEMA_REPRESENTATION)

Key Value Targeting Expression.

| JSON representation |
|---|
| ``` { "expression": string } ``` |

| Fields ||
|---|---|
| `expression` | `string` Keyword expression being targeted by the ad. |