public final OperationCallable<
          CreateSubscriptionRequest, Subscription, CreateSubscriptionMetadata>
      createSubscriptionOperationCallable() {
    return stub.createSubscriptionOperationCallable();
  }
Creates a Google Workspace subscription. To learn how to use this method, see [Create a Google
Workspace
subscription](https://developers.google.com/workspace/events/guides/create-subscription).

<p>Sample code:

<pre>{@code
// This snippet has been automatically generated and should be regarded as a code template only.
// It will require modifications to work:
// - It may require correct/in-range values for request initialization.
// - It may require specifying regional endpoints when creating the service client as shown in
// https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
try (SubscriptionsServiceClient subscriptionsServiceClient =
    SubscriptionsServiceClient.create()) {
  CreateSubscriptionRequest request =
      CreateSubscriptionRequest.newBuilder()
          .setSubscription(Subscription.newBuilder().build())
          .setValidateOnly(true)
          .build();
  OperationFuture<Subscription, CreateSubscriptionMetadata> future =
      subscriptionsServiceClient.createSubscriptionOperationCallable().futureCall(request);
  // Do something.
  Subscription response = future.get();
}
}</pre>
java-workspaceevents/google-cloud-workspaceevents/src/main/java/com/google/apps/events/subscriptions/v1/SubscriptionsServiceClient.java