A Placement List criterion. Represents a shared set of placements that can be excluded at the account-level.

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

| Fields ||
|---|---|
| ## `shared_set` | `string` The PlacementListInfo shared set resource name. |