Operand of logical user list that consists of a user list.

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

| Fields ||
|---|---|
| ## `user_list` | `string` Resource name of a user list as an operand. |