# ListTargetingExpression

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

Remarketing List Targeting Expression.

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

| Fields ||
|---|---|
| `expression` | `string` Expression describing which lists are being targeted by the ad. |