Enum describing the various advertising channel 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/advertising_channel_type.proto)

| Enums ||
|---|---|
| ## `DEMAND_GEN` | Demand Gen campaigns. |
| ## `DISPLAY` | Google Display Network only. |
| ## `HOTEL` | Hotel Ads campaigns. |
| ## `LOCAL` | Local ads campaigns. |
| ## `LOCAL_SERVICES` | Local services campaigns. |
| ## `MULTI_CHANNEL` | App Campaigns, and App Campaigns for Engagement, that run across multiple channels. |
| ## `PERFORMANCE_MAX` | Performance Max campaigns. |
| ## `SEARCH` | Search Network. Includes display bundled, and Search+ campaigns. |
| ## `SHOPPING` | Shopping campaigns serve on the shopping property and on google.com search results. |
| ## `SMART` | Smart campaigns. |
| ## `TRAVEL` | Travel campaigns. |
| ## `UNKNOWN` | Used for return value only. Represents value unknown in this version. |
| ## `UNSPECIFIED` | Not specified. |
| ## `VIDEO` | Video campaigns. |