javascript - Mirth Write to SFTP server Error -

i having hard time writing file sftp server. when use channel.put(filebody) error wrapped 5: bad message , when try use filesutil.write not define. great.

var channel = session.openchannel('sftp'); channel.connect();   channel.cd("/test"); //channel.put(connectormessage.getrawdata()); var filename = $('filename'); var filebody = connectormessage.getrawdata(); channel.put(filebody);  //filesutil.write(filename, filebody);