public void setSilentPush(Boolean silentPush) {
        this.silentPush = silentPush;
    }
<p>
Specifies whether the notification is a silent push notification, which is a push notification that doesn't
display on a recipient's device. Silent push notifications can be used for cases such as updating an app's
configuration or supporting phone home functionality.
</p>

@param silentPush
       Specifies whether the notification is a silent push notification, which is a push notification that
       doesn't display on a recipient's device. Silent push notifications can be used for cases such as updating
       an app's configuration or supporting phone home functionality.
aws-java-sdk-pinpoint/src/main/java/com/amazonaws/services/pinpoint/model/GCMMessage.java