producerNotificationChannel property
The full resource name of a channel used for sending notifications to the service producer.
Google Service Management currently only supports Google Cloud Pub/Sub as a notification channel. To use Google Cloud Pub/Sub as the channel, this must be the name of a Cloud Pub/Sub topic that uses the Cloud Pub/Sub topic name format documented in https://cloud.google.com/pubsub/docs/overview.
Implementation
core.String? producerNotificationChannel;