A User List criterion. Represents a user list that is defined by the advertiser to be targeted.

[Proto definition ![GitHub](https://developers.google.com/site-assets/logo-github.svg)](https://github.com/googleapis/googleapis/blob/master/google/ads/googleads/v25/common/criteria.proto)

| Fields ||
|---|---|
| ## `user_list` | `string` The User List resource name. |