if err := target.send(eventData); err != nil {
		if xnet.IsNetworkOrHostDown(err, false) {
			return store.ErrNotConnected
		}
		return err
	}

	// Delete the event from store.
	return target.store.Del(key.Name)
}

// Close - does nothing and available for interface compatibility.
func (target *ElasticsearchTarget) Close() error {
	close(target.quitCh)
	if target.client != nil {