Merchant ID and Feed Label from Google Merchant Center.

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

| Fields ||
|---|---|
| ## `feed_label` | `string` Optional. Feed Label from Google Merchant Center. |
| ## `merchant_id` | `int64` Required. Merchant ID from Google Merchant Center |