> [!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/UserListCrmDataSourceTypeEnum.UserListCrmDataSourceType).

Enum describing possible user list crm data source type.

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

| Enums ||
|---|---|
| ## `FIRST_PARTY` | The uploaded data is first-party data. |
| ## `THIRD_PARTY_CREDIT_BUREAU` | The uploaded data is from a third-party credit bureau. |
| ## `THIRD_PARTY_PARTNER_DATA` | The uploaded data is third party partner data. |
| ## `THIRD_PARTY_VOTER_FILE` | The uploaded data is from a third-party voter file. |
| ## `UNKNOWN` | Used for return value only. Represents value unknown in this version. |
| ## `UNSPECIFIED` | Not specified. |