Response message for CreateCustomerClient mutate.

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

| Fields ||
|---|---|
| ## `invitation_link` | `string` Link for inviting user to access the created customer. Accessible to allowlisted customers only. |
| ## `resource_name` | `string` The resource name of the newly created customer. Customer resource names have the form: `customers/{customer_id}`. |