Enum describing possible criterion types.

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

| Enums ||
|---|---|
| ## `AD_SCHEDULE` | Ad Schedule. |
| ## `AGE_RANGE` | Age range. |
| ## `APP_PAYMENT_MODEL` | App payment model. |
| ## `AUDIENCE` | Audience |
| ## `BRAND` | Brand |
| ## `BRAND_LIST` | Brand List |
| ## `CARRIER` | Carrier. |
| ## `COMBINED_AUDIENCE` | Combined audience |
| ## `CONTENT_LABEL` | Content Label for category exclusion. |
| ## `CUSTOM_AFFINITY` | Custom affinity. |
| ## `CUSTOM_AUDIENCE` | Custom audience |
| ## `CUSTOM_INTENT` | Custom intent. |
| ## `DEVICE` | Devices to target. |
| ## `GENDER` | Gender. |
| ## `INCOME_RANGE` | Income Range. |
| ## `IP_BLOCK` | IpBlock. |
| ## `KEYWORD` | Keyword, for example, 'mars cruise'. |
| ## `KEYWORD_THEME` | Smart Campaign keyword theme |
| ## `LANGUAGE` | Language. |
| ## `LIFE_EVENT` | Life Event |
| ## `LISTING_GROUP` | Listing groups to target. |
| ## `LISTING_SCOPE` | Listing scope to target. |
| ## `LOCAL_SERVICE_ID` | Local Services Ads Service ID. |
| ## `LOCATION` | Locations to target. |
| ## `LOCATION_GROUP` | Location group. |
| ## `MOBILE_APPLICATION` | Mobile applications to target. |
| ## `MOBILE_APP_CATEGORY` | Mobile application categories to target. |
| ## `MOBILE_DEVICE` | Mobile device. |
| ## `NEGATIVE_KEYWORD_LIST` | Negative Keyword List |
| ## `OPERATING_SYSTEM_VERSION` | Operating system version. |
| ## `PARENTAL_STATUS` | Parental status. |
| ## `PLACEMENT` | Placement, also known as Website, for example, 'www.flowers4sale.com' |
| ## `PLACEMENT_LIST` | Placement List |
| ## `PROXIMITY` | Proximity. |
| ## `RETAIL_FILTER` | Retail Filter for defining individual tag rules or expressions within a shared set. |
| ## `RETAIL_FILTER_BUNDLE` | Retail Filter Bundle for linking a retail filter shared set to an ad group. |
| ## `SEARCH_THEME` | Search Theme. |
| ## `TOPIC` | A topic target on the display network (for example, "Pets \& Animals"). |
| ## `UNKNOWN` | Used for return value only. Represents value unknown in this version. |
| ## `UNSPECIFIED` | Not specified. |
| ## `USER_INTEREST` | A category the user is interested in. |
| ## `USER_LIST` | User list. |
| ## `VERTICAL_ADS_ITEM_GROUP_RULE` | A rule for an item group in Vertical Ads. |
| ## `VERTICAL_ADS_ITEM_GROUP_RULE_LIST` | A list of rules for item groups in Vertical Ads. |
| ## `VIDEO_LINEUP` | Video lineup |
| ## `WEBPAGE` | Webpage criterion for dynamic search ads. |
| ## `WEBPAGE_LIST` | Webpage List |
| ## `YOUTUBE_CHANNEL` | YouTube Channel. |
| ## `YOUTUBE_VIDEO` | YouTube Video. |