public WorkspaceDescription withNotificationDestinations(String... notificationDestinations) {
        if (this.notificationDestinations == null) {
            setNotificationDestinations(new java.util.ArrayList<String>(notificationDestinations.length));
        }
        for (String ele : notificationDestinations) {
            this.notificationDestinations.add(ele);
        }
        return this;
    }
<p>
The Amazon Web Services notification channels that Amazon Managed Grafana can automatically create IAM roles and
permissions for, to allow Amazon Managed Grafana to use these channels.
</p>
<p>
<b>NOTE:</b> This method appends the values to the existing list (if any). Use
{@link #setNotificationDestinations(java.util.Collection)} or
{@link #withNotificationDestinations(java.util.Collection)} if you want to override the existing values.
</p>

@param notificationDestinations
       The Amazon Web Services notification channels that Amazon Managed Grafana can automatically create IAM
       roles and permissions for, to allow Amazon Managed Grafana to use these channels.
@return Returns a reference to this object so that method calls can be chained together.
@see NotificationDestinationType
aws-java-sdk-managedgrafana/src/main/java/com/amazonaws/services/managedgrafana/model/WorkspaceDescription.java