> [!CAUTION]
> **Caution:** This documentation is for Google Ads API **v24** . The latest active version is [**v26**](https://developers.google.com/google-ads/api/reference/rpc/latest/SimilarUserListInfo).

SimilarUserList is a list of users which are similar to users from another UserList. These lists are read-only and automatically created by Google.

[Proto definition ![GitHub](https://developers.google.com/site-assets/logo-github.svg)](https://github.com/googleapis/googleapis/blob/master/google/ads/googleads/v24/common/user_lists.proto)

| Fields ||
|---|---|
| ## `seed_user_list` | `string` Seed UserList from which this list is derived. |