Function sendFileToTelegram(pathToFile)
   
   AccessToken = "Access token";
   ServerTg  = "api.telegram.org";
   ChatID = "123456789";
   
   Boundary = "----" + String(New UUID());
   
   File = New File(pathToFile);
   
   arrayFilesToMerge = New Array;
   
   arrayFilesToMerge.Add(GetTempFileName("txt"));
   fileToSendBegin = New TextWriter(arrayFilesToMerge[0], TextEncoding.UTF8);
   
   initialData = "--%Boundary%
   |Content-Disposition: form-data; name=""chat_id""
   |
   |%ChatID%
   |--%Boundary%
   |Content-Disposition: form-data; name=""document""; filename=""%FileName%""
   |";
   
   initialData = StrReplace(initialData,"%Boundary%",   Boundary);
   initialData = StrReplace(initialData,"%ChatID%",   ChatID);
   initialData = StrReplace(initialData,"%FileName%",   File.Name);
   
   fileToSendBegin.WriteLine(initialData );
   fileToSendBegin.Close();
   
   arrayFilesToMerge.Add(pathToFile);
   
   arrayFilesToMerge.Add(GetTempFileName("txt"));
   
   fileToSendEnd = New TextWriter(arrayFilesToMerge[2], TextEncoding.UTF8);
   
   finalData = "
   |--%Boundary%--";
   finalData = StrReplace(finalData,"%Boundary%",Boundary);
   
   fileToSendEnd.WriteLine(finalData);
   fileToSendEnd.Close();
   
   outputFileName = GetTempFileName("txt");
   MergeFiles(arrayFilesToMerge, outputFileName);
   
   
   HTTPConnection = New HTTPConnection(ServerTg,443,,,,,New OpenSSLSecureConnection());
   
   query = "bot" 
   + AccessToken 
   + "/sendDocument";
   
   HTTPRequest = New HTTPRequest(query);
   HTTPRequest.Headers.Insert("Connection", "keep-alive");
   HTTPRequest.Headers.Insert("Content-Type", "multipart/form-data; boundary=" + Boundary);
   
   HTTPRequest.SetBodyFileName(outputFileName);
   
   Try
      HTTPResponse = HTTPConnection.Post(HTTPRequest);
   Except
      Message(ErrorDescription());
   EndTry;
   
EndFunction