set file=##class(%File).%New("G:\customer\catalog.xml")
 set status=file.Open("RS")
 if $$$ISERR(status) do $System.Status.DisplayError(status)
 set hr=##class(%Net.HttpRequest).%New()
 do hr.EntityBody.CopyFrom(file)
 do file.Close()

    Do httprequest.InsertFormData("element","value")
    Do httprequest.Post("/cgi-bin/script.CGI")

    Set httprequest=##class(%Net.HttpRequest).%New()
    set httprequest.SSLConfiguration="MySSLConfiguration"
    set httprequest.Https=1
    set httprequest.Server="myserver.com"
    set httprequest.Port=443
    Do httprequest.InsertFormData("portalid","2000000")
    set tSc = httprequest.Post("/url-path/")
    Quit httprequest.HttpResponse

 Set httprequest=##class(%Net.HttpRequest).%New()
 Set httprequest.Server="www.intersystems.com"
 Do httprequest.Get("/")

ClassMethod CorrectWriteMIMEMessage3(header As %String) 
{
     // Create root MIMEPart
     Set RootMIMEPart=##class(%Net.MIMEPart).%New()

     //Create binary subpart and insert file data
     Set BinaryMIMEPart=##class(%Net.MIMEPart).%New()
     Set contentdisp="form-data; name="_$CHAR(34)_"file"_$CHAR(34)_"; filename="
                     _$CHAR(34)_"task4059.txt"_$CHAR(34)
     Do BinaryMIMEPart.SetHeader("Content-Disposition",contentdisp)

     Set stream=##class(%FileBinaryStream).%New()
     Set stream.Filename="/home/tabaiba/prueba.txt"
     Do stream.LinkToFile("/home/tabaiba/prueba.txt")

     Set BinaryMIMEPart.Body=stream
     Do BinaryMIMEPart.SetHeader("Content-Type","text/plain")

    // Create text subpart
    Set TextMIMEPart=##class(%Net.MIMEPart).%New()
    Set TextMIMEPart.Body=##class(%GlobalCharacterStream).%New()
    Do TextMIMEPart.Body.Write("/home/tabaiba/prueba.txt")

    // specify some headers
    Set TextMIMEPart.ContentType="text/plain"
    Set TextMIMEPart.ContentCharset="us-ascii"
    Do TextMIMEPart.SetHeader("Custom-header",header)

    // Insert both subparts into the root part
    Do RootMIMEPart.Parts.Insert(BinaryMIMEPart)

    // create MIME writer; write root MIME message
    Set writer=##class(%Net.MIMEWriter).%New()

    // Prepare outputting to the HttpRequestStream
    Set SentHttpRequest=##class(%Net.HttpRequest).%New()
    Set status=writer.OutputToStream(SentHttpRequest.EntityBody)
    if $$$ISERR(status) {do $SYSTEM.Status.DisplayError(status) Quit}

    // Now write down the content
    Set status=writer.WriteMIMEBody(RootMIMEPart)
    if $$$ISERR(status) {do $SYSTEM.Status.DisplayError(status) Quit}

    Set SentHttpRequest.Server="congrio"
    Set SentHttpRequest.Port = 8080

    Set ContentType= "multipart/form-data; boundary="_RootMIMEPart.Boundary
    Set SentHttpRequest.ContentType=ContentType

    set url="alfresco/service/sample/upload.json?"
            _"alf_ticket=TICKET_caee62bf36f0ea5bd51194fce161f99092b75f62"

    set status=SentHttpRequest.Post(url,0) 
    if $$$ISERR(status) {do $SYSTEM.Status.DisplayError(status) Quit}
}