nxlog directly to elasticsearch

nxlog.conf

## This is a sample configuration file. See the nxlog reference manual about the
## configuration options. It should be installed locally and is also available
## online at http://nxlog.org/nxlog-docs/en/nxlog-reference-manual.html

## Please set the ROOT to the folder your nxlog was installed into,
## otherwise it will not start.

#define ROOT C:\Program Files\nxlog
define ROOT C:\Program Files (x86)\nxlog

Moduledir %ROOT%\modules
CacheDir %ROOT%\data
Pidfile %ROOT%\data\nxlog.pid
SpoolDir %ROOT%\data
LogFile %ROOT%\data\nxlog.log

<Extension json>
    Module      xm_json
</Extension>
  
# Nxlog internal logs
<Input internal>
   Module im_internal
   Exec $EventReceivedTime = integer($EventReceivedTime) / 1000000; to_json();
</Input>

<Input mylog>
    Module	im_file
    File	"C:\\MyApp\\Logs\\mylog.json"
    SavePos     TRUE
    InputType   LineBased
    Exec	parse_json();
    Exec  $EventTime = parsedate($timestamp);
</Input>

<Input eventlog>
    Module      im_msvistalog
# For windows 2003 and earlier use the following:
#   Module      im_mseventlog
</Input>

<Output elasticsearch>
    Module      om_http
    URL         http://internal-elb-myapp-12345678.us-east-1.elb.amazonaws.com:9200
    ContentType application/json
    Exec        $MyAWSInstanceID = "i-1badd00d";
    Exec        set_http_request_path(strftime($EventTime, "/logstash-%Y.%m.%d/" + $SourceModuleName)); rename_field("timestamp","@timestamp"); to_json();        
</Output>

<Route 1>
    Path        internal, eventlog, myapp  => elasticsearch
</Route>

Is it possible to add Basic authentication to send data?