public DirectMessageConfiguration withDefaultPushNotificationMessage(DefaultPushNotificationMessage defaultPushNotificationMessage) {
        setDefaultPushNotificationMessage(defaultPushNotificationMessage);
        return this;
    }
<p>
The default push notification message for all push notification channels.
</p>

@param defaultPushNotificationMessage
       The default push notification message for all push notification channels.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-pinpoint/src/main/java/com/amazonaws/services/pinpoint/model/DirectMessageConfiguration.java