Represents a Retail Filter Bundle, used to link an ad group to a shared set containing retail filters.

[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 resource name of the shared set that contains the retail filter. This field is required. |