Enum containing possible custom interest member types.

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

| Enums ||
|---|---|
| ## `KEYWORD` | Custom interest member type KEYWORD. |
| ## `UNKNOWN` | Used for return value only. Represents value unknown in this version. |
| ## `UNSPECIFIED` | Not specified. |
| ## `URL` | Custom interest member type URL. |