public com.google.apps.events.subscriptions.v1.SubscriptionOrBuilder
        getSubscriptionOrBuilder() {
      if (subscriptionBuilder_ != null) {
        return subscriptionBuilder_.getMessageOrBuilder();
      } else {
        return subscription_ == null
            ? com.google.apps.events.subscriptions.v1.Subscription.getDefaultInstance()
            : subscription_;
      }
    }
<pre>
Required. The subscription resource to create.
</pre>

<code>
.google.apps.events.subscriptions.v1.Subscription subscription = 1 [(.google.api.field_behavior) = REQUIRED];
</code>
java-workspaceevents/proto-google-cloud-workspaceevents-v1/src/main/java/com/google/apps/events/subscriptions/v1/CreateSubscriptionRequest.java