Updates the status of a CustomerManagerLink. The following actions are possible: 1. Update operation with status ACTIVE accepts a pending invitation. 2. Update operation with status REFUSED declines a pending invitation. 3. Update operation with status INACTIVE terminates link to manager.

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

| Fields ||
|---|---|
| ## `operation` Union field. The mutate operation. `operation` can be only one of the following: ||
| ### `update` | `https://developers.google.com/google-ads/api/reference/rpc/v26/CustomerManagerLink` Update operation: The link is expected to have a valid resource name. |
| ## `update_mask` | `https://protobuf.dev/reference/protobuf/google.protobuf#field-mask` FieldMask that determines which resource fields are modified in an update. |