The identifier for the Advertising Partner Google Ads account.

[Proto definition ![GitHub](https://developers.google.com/site-assets/logo-github.svg)](https://github.com/googleapis/googleapis/blob/master/google/ads/googleads/v25/resources/product_link_invitation.proto)

| Fields ||
|---|---|
| ## `customer` | `string` Immutable. The resource name of the advertising partner Google Ads account. This field is read only. |