diff --git a/MConnectSDK/MConnectClient.cs b/MConnectSDK/MConnectClient.cs
index a89026c..e13ab8f 100644
--- a/MConnectSDK/MConnectClient.cs
+++ b/MConnectSDK/MConnectClient.cs
@@ -15,62 +15,62 @@ namespace MConnectSDK
 {
   /// <summary>
   /// Client per connessione a MaestroConnect
-  /// </summary>
+  /// {ext}<summary>
   public class MConnectClient
   {
     #region oggetti base ed init
 
     /// <summary>
     /// Oggetto accesso memoria...
-    /// </summary>
+    /// {ext}<summary>
     protected memLayer ML;
     /// <summary>
     /// Parametri di comunicazione attivi
-    /// </summary>
+    /// {ext}<summary>
     protected confParam _currParam;
     /// <summary>
     /// ID univoco dell'HMI per piattaforma MaestroConnect
-    /// </summary>
+    /// {ext}<summary>
     protected string MachineID;
     /// <summary>
     /// ID applicativo/client per piattaforma MaestroConnect (differente per UTE)
-    /// </summary>
+    /// {ext}<summary>
     protected string ClientID;
     /// <summary>
     /// Determina se il server redis sia attivo e connesso (check periodico...)
-    /// </summary>
+    /// {ext}<summary>
     public bool redServAlive;
     /// <summary>
     /// DataOra ultimo controllo stato server REDIS
-    /// </summary>
+    /// {ext}<summary>
     protected DateTime lastRedSrvCheck;
     /// <summary>
     /// Intervallo di default x recall successive
-    /// </summary>
+    /// {ext}<summary>
     protected int waitRecall = 1000;
     /// <summary>
     /// URL x chiamata auth WebApp / QR-code da YAML...
-    /// </summary>
+    /// {ext}<summary>
     protected string WebAppUrl = @"https://smart.maestroconnect.com/deviceauth?user_code={0}&machineID={1}";
     /// <summary>
     /// URL BASE per le chiamate
-    /// </summary>
+    /// {ext}<summary>
     protected string BaseUrl = @"https://stg.maestroconnect.scmgroup.com/";
     /// <summary>
     /// URL BASE per le chiamate upload
-    /// </summary>
+    /// {ext}<summary>
     protected string UploadUrl = @"https://stg.maestroconnect.scmgroup.com/storage-api/backups";
     /// <summary>
     /// URL BASE per le chiamate
-    /// </summary>
+    /// {ext}<summary>
     protected string PingTarget = @"stg.maestroconnect.scmgroup.com";
     /// <summary>
     /// URL per test HEALT del cloud
-    /// </summary>
+    /// {ext}<summary>
     protected string AliveTarget = @"https://stg.api.maestroconnect.scmgroup.com/health";
     /// <summary>
     /// DateTime di watchdog
-    /// </summary>
+    /// {ext}<summary>
     protected DateTime watchDog
     {
       get
@@ -92,11 +92,11 @@ namespace MConnectSDK
     }
     /// <summary>
     /// TTL lungo in REDIS (10 min)
-    /// </summary>
+    /// {ext}<summary>
     protected int longTTL = 600;
     /// <summary>
     /// Stato della richiesta attuale tornato
-    /// </summary>
+    /// {ext}<summary>
     protected Result reqStatus
     {
       get
@@ -118,7 +118,7 @@ namespace MConnectSDK
     }
     /// <summary>
     /// Ultima response controllo enroll
-    /// </summary>
+    /// {ext}<summary>
     protected enrollResponse enrollResp
     {
       get
@@ -143,7 +143,7 @@ namespace MConnectSDK
     }
     /// <summary>
     /// Ultima response elenco utenti
-    /// </summary>
+    /// {ext}<summary>
     protected userListResponse usrListResp
     {
       get
@@ -168,7 +168,7 @@ namespace MConnectSDK
     }
     /// <summary>
     /// Ultimo token response ottenuto (e salvato in REDIS)
-    /// </summary>
+    /// {ext}<summary>
     protected tokenResponse tokResp
     {
       get
@@ -193,7 +193,7 @@ namespace MConnectSDK
     }
     /// <summary>
     /// Verifica se sia necessario rigenerare il token...
-    /// </summary>
+    /// {ext}<summary>
     protected bool tokenDone
     {
       get
@@ -209,7 +209,7 @@ namespace MConnectSDK
     }
     /// <summary>
     /// Risposta della chiamata di verifica
-    /// </summary>
+    /// {ext}<summary>
     protected verificationSuccessResponse verifResp
     {
       get
@@ -231,7 +231,7 @@ namespace MConnectSDK
     }
     /// <summary>
     /// Risposta della chiamata di clientInfo
-    /// </summary>
+    /// {ext}<summary>
     protected clientInfoResponse clientInfoResp
     {
       get
@@ -253,7 +253,7 @@ namespace MConnectSDK
     }
     /// <summary>
     /// Verifica se sia necessario rifare la fase di verifica x i token di auth...
-    /// </summary>
+    /// {ext}<summary>
     protected bool verificationDone
     {
       get
@@ -269,7 +269,7 @@ namespace MConnectSDK
     }
     /// <summary>
     /// AccessToken
-    /// </summary>
+    /// {ext}<summary>
     protected string access_token
     {
       get
@@ -281,7 +281,7 @@ namespace MConnectSDK
     }
     /// <summary>
     /// RefreshToken
-    /// </summary>
+    /// {ext}<summary>
     protected string refresh_token
     {
       get
@@ -293,7 +293,7 @@ namespace MConnectSDK
     }
     /// <summary>
     /// DateTime di enroll (se futuro = NON enrolled)
-    /// </summary>
+    /// {ext}<summary>
     protected DateTime enrollDate
     {
       get
@@ -315,7 +315,7 @@ namespace MConnectSDK
     }
     /// <summary>
     /// Elenco utenti (in cache locale)
-    /// </summary>
+    /// {ext}<summary>
     protected List<UserData> userListCache
     {
       get
@@ -338,7 +338,7 @@ namespace MConnectSDK
     }
     /// <summary>
     /// Utente corrente (SE login OK)
-    /// </summary>
+    /// {ext}<summary>
     protected UserData currUser
     {
       get
@@ -361,7 +361,7 @@ namespace MConnectSDK
     }
     /// <summary>
     /// Elenco utenti (in cache locale)
-    /// </summary>
+    /// {ext}<summary>
     protected List<userPwdData> userPwdLocalCache
     {
       get
@@ -389,7 +389,7 @@ namespace MConnectSDK
 
     /// <summary>
     /// URL pagina per check enroll (parametrico)
-    /// </summary>
+    /// {ext}<summary>
     protected string pageUrlCheckEnroll
     {
       get
@@ -403,7 +403,7 @@ namespace MConnectSDK
 
     /// <summary>
     /// URL pagina per Download Immagini ( https://firebasestorage.googleapis.com/v0/b/scm-mconnect.appspot.com/o/ )
-    /// </summary>
+    /// {ext}<summary>
     protected string pageUrlImgDownload
     {
       get
@@ -414,8 +414,8 @@ namespace MConnectSDK
 
     /// <summary>
     /// Effettua test preliminare stato...
-    /// </summary>
-    /// <returns></returns>
+    /// {ext}<summary>
+    /// <returns>{ext}<returns>
     private Result preCheckStatus()
     {
       Result answ = new Result()
@@ -464,7 +464,7 @@ namespace MConnectSDK
     }
     /// <summary>
     /// Controlla stato server alive
-    /// </summary>
+    /// {ext}<summary>
     private bool checkRedisAlive()
     {
       bool newStatus = ML.connRedis.IsConnected;
@@ -484,7 +484,7 @@ namespace MConnectSDK
     }
     /// <summary>
     /// Aggiorna stato redis server + invio dati pending
-    /// </summary>
+    /// {ext}<summary>
     private void setWatchdog()
     {
       // verifico eventuali invii pending... SE connesso...
@@ -496,7 +496,7 @@ namespace MConnectSDK
     }
     /// <summary>
     /// Effettua lo step 1 di chiamata x ottenere il TOKEN iniziale
-    /// </summary>
+    /// {ext}<summary>
     private void doTokenStep()
     {
       // parametri chiamata
@@ -514,7 +514,7 @@ namespace MConnectSDK
     }
     /// <summary>
     /// Effetuo step 3: /verification
-    /// </summary>
+    /// {ext}<summary>
     private bool doVerificationStep()
     {
       bool answ = false;
@@ -565,7 +565,7 @@ namespace MConnectSDK
 
     /// <summary>
     /// Inizializzazione classe specificando il file di conf con i parametri
-    /// </summary>
+    /// {ext}<summary>
     public MConnectClient()
     {
 
@@ -574,8 +574,8 @@ namespace MConnectSDK
     }
     /// <summary>
     /// Parsing file di configurazione
-    /// </summary>
-    /// <param name="confFilePath"></param>
+    /// {ext}<summary>
+    /// <param name="confFilePath">{ext}<param>
     private void parseConfFile(string confFilePath)
     {
       confParam param = new confParam();
@@ -626,7 +626,7 @@ namespace MConnectSDK
     }
     /// <summary>
     /// Forza svuotamento di TUTTI i dati in REDIS
-    /// </summary>
+    /// {ext}<summary>
     public void forceRedisFlush()
     {
       // svuoto TUTTI i dati x INIT...
@@ -634,11 +634,11 @@ namespace MConnectSDK
     }
     /// <summary>
     /// Metodo di INIT della classe di comunicazione
-    /// </summary>         
-    /// <param name="confFilePath"></param>      
-    /// <param name="token">Token, che può benissimo essere CancellationToken.None</param>
-    /// <param name="progress"></param>
-    /// <returns></returns>
+    /// {ext}<summary>         
+    /// <param name="confFilePath">{ext}<param>      
+    /// <param name="token">Token, che può benissimo essere CancellationToken.None{ext}<param>
+    /// <param name="progress">{ext}<param>
+    /// <returns>{ext}<returns>
     public async Task<Result> InitSDKAsync(string confFilePath, CancellationToken token, IProgress<Result> progress = null)
     {
       // controlloare file di conf se valido...   = "mconnect.conf.yaml"
@@ -656,8 +656,8 @@ namespace MConnectSDK
     }
     /// <summary>
     /// Recupera status del client
-    /// </summary>               
-    /// <returns></returns>
+    /// {ext}<summary>               
+    /// <returns>{ext}<returns>
     public async Task<Result> GetClientStatusAsync()
     {
       var currReq = reqStatus;
@@ -709,8 +709,8 @@ namespace MConnectSDK
     }
     /// <summary>
     /// Fa un controllo sulla risposta, eventualmente rinnova il token di accesso restituendo SE HA FATTO refresh (quindi serve nuova chiamata) 
-    /// </summary>
-    /// <param name="rawResult"></param>
+    /// {ext}<summary>
+    /// <param name="rawResult">{ext}<param>
     private bool checkFixToken(string rawResult)
     {
       bool answ = false;
@@ -736,7 +736,7 @@ namespace MConnectSDK
 
     /// <summary>
     /// Effettua una chaimata alla funzione di refresh del token di comunicazione
-    /// </summary>
+    /// {ext}<summary>
     private void refreshAuthToken()
     {
       // parametri chiamata
@@ -756,10 +756,10 @@ namespace MConnectSDK
 
     /// <summary>
     /// Recupera status del client
-    /// </summary>                     
-    /// <param name="token">Token, che può benissimo essere CancellationToken.None</param>
-    /// <param name="progress"></param>
-    /// <returns></returns>
+    /// {ext}<summary>                     
+    /// <param name="token">Token, che può benissimo essere CancellationToken.None{ext}<param>
+    /// <param name="progress">{ext}<param>
+    /// <returns>{ext}<returns>
     public async Task<Result> GetClientStatusAsync(CancellationToken token, IProgress<Result> progress = null)
     {
       await Task.Run(() =>
@@ -789,8 +789,8 @@ namespace MConnectSDK
     }
     /// <summary>
     /// Tentativo AUTH
-    /// </summary>
-    /// <returns></returns>
+    /// {ext}<summary>
+    /// <returns>{ext}<returns>
     public ActivationPayload tryAuthorize()
     {
       // init output
@@ -838,9 +838,9 @@ namespace MConnectSDK
     }
     /// <summary>
     /// Effettua vera chiamata enroll
-    /// </summary>
-    /// <param name="pageUrl"></param>
-    /// <returns></returns>
+    /// {ext}<summary>
+    /// <param name="pageUrl">{ext}<param>
+    /// <returns>{ext}<returns>
     public string doEnroll()
     {
       string answ = "";
@@ -855,7 +855,7 @@ namespace MConnectSDK
     }
     /// <summary>
     /// Effettua verifica enroll (chiamando organization + machineID)
-    /// </summary>
+    /// {ext}<summary>
     protected bool checkEnroll()
     {
       bool answ = false;
@@ -885,8 +885,8 @@ namespace MConnectSDK
     }
     /// <summary>
     /// Tentativo ENROLL
-    /// </summary>
-    /// <returns></returns>
+    /// {ext}<summary>
+    /// <returns>{ext}<returns>
     public ActivationPayload tryEnroll()
     {
       // init output
@@ -940,8 +940,8 @@ namespace MConnectSDK
 
     /// <summary>
     /// Metodo x ottenere update richiesta
-    /// </summary>
-    /// <returns></returns>
+    /// {ext}<summary>
+    /// <returns>{ext}<returns>
     public Result reqStatusUpd
     {
       get
@@ -952,7 +952,7 @@ namespace MConnectSDK
     }
     /// <summary>
     /// Restituisce codice organizzazione
-    /// </summary>
+    /// {ext}<summary>
     public string organizationCode
     {
       get
@@ -969,9 +969,9 @@ namespace MConnectSDK
     }
     /// <summary>
     /// Recupera elenco user x organizzazione corrente
-    /// </summary>       
-    /// <param name="getImages">Indica se scaricare ANCHE TUTTE le immagini degli utenti (default = false)</param>
-    /// <returns></returns>
+    /// {ext}<summary>       
+    /// <param name="getImages">Indica se scaricare ANCHE TUTTE le immagini degli utenti (default = false){ext}<param>
+    /// <returns>{ext}<returns>
     public async Task<Result> getUserListAsync(bool getImages = false)
     {
       var _currStatus = reqStatus;
@@ -992,9 +992,9 @@ namespace MConnectSDK
     }
     /// <summary>
     /// Elenco utenti da MaestroConnect
-    /// </summary>        
-    /// <param name="getImages">Indica se scaricare ANCHE TUTTE le immagini degli utenti (default = false)</param>
-    /// <returns></returns>
+    /// {ext}<summary>        
+    /// <param name="getImages">Indica se scaricare ANCHE TUTTE le immagini degli utenti (default = false){ext}<param>
+    /// <returns>{ext}<returns>
     private List<UserData> userListMConnect(bool getImages = false)
     {
       List<UserData> answ = new List<UserData>();
@@ -1067,8 +1067,8 @@ namespace MConnectSDK
 
     /// <summary>
     /// Recupera elenco user di Maestro connect registrati come CREATI sul client/HMI x organizzazione corrente
-    /// </summary>
-    /// <returns></returns>
+    /// {ext}<summary>
+    /// <returns>{ext}<returns>
     public async Task<Result> getUserImportedListAsync()
     {
       var _currStatus = reqStatus;
@@ -1099,11 +1099,11 @@ namespace MConnectSDK
 
     /// <summary>
     /// Imposta UN SINGOLO utente come importato (<see langword="true"/>) o eliminato(false)
-    /// </summary>                         
-    /// <param name="sender">CHI invia la richeista (x decidere come impostare status), HMI = LOCAL</param>
-    /// <param name="username"></param>
-    /// <param name="imported">true=importato / false = cancellato/non + importato</param>
-    /// <returns></returns>
+    /// {ext}<summary>                         
+    /// <param name="sender">CHI invia la richeista (x decidere come impostare status), HMI = LOCAL{ext}<param>
+    /// <param name="username">{ext}<param>
+    /// <param name="imported">true=importato / false = cancellato/non + importato{ext}<param>
+    /// <returns>{ext}<returns>
     public async Task<Result> setUserImported(SourceType sender, string username, bool imported = true)
     {
       var _currStatus = reqStatus;
@@ -1172,10 +1172,10 @@ namespace MConnectSDK
 
     /// <summary>
     /// Effettua login e restituisce dati utente
-    /// </summary>
-    /// <param name="username"></param>
-    /// <param name="password"></param>
-    /// <returns></returns>
+    /// {ext}<summary>
+    /// <param name="username">{ext}<param>
+    /// <param name="password">{ext}<param>
+    /// <returns>{ext}<returns>
     public async Task<Result> TryUserLogin(string username, string password)
     {
       var _currStatus = reqStatus;
@@ -1379,8 +1379,8 @@ namespace MConnectSDK
 
     /// <summary>
     /// Effettua update userList   
-    /// <param name="getImages">Indica se scaricare ANCHE TUTTE le immagini degli utenti (default = false)</param>
-    /// </summary>
+    /// <param name="getImages">Indica se scaricare ANCHE TUTTE le immagini degli utenti (default = false){ext}<param>
+    /// {ext}<summary>
     private void updateUserListCacheFromCloud(bool getImages = false)
     {
       // se NON modalità testing LEGGO davvero da cloud la NUOVA lista
@@ -1391,10 +1391,10 @@ namespace MConnectSDK
 
     /// <summary>
     /// Generazione HASH password salted
-    /// </summary>
-    /// <param name="_plainText"></param>
-    /// <param name="_salt"></param>
-    /// <returns></returns>
+    /// {ext}<summary>
+    /// <param name="_plainText">{ext}<param>
+    /// <param name="_salt">{ext}<param>
+    /// <returns>{ext}<returns>
     protected string GenerateSaltedHash(string _plainText, string _salt)
     {
       byte[] plainText = Encoding.ASCII.GetBytes(_plainText);
@@ -1419,10 +1419,10 @@ namespace MConnectSDK
 
     /// <summary>
     /// Task x AUTH
-    /// </summary>
-    /// <param name="token"></param>
-    /// <param name="progress"></param>
-    /// <returns></returns>
+    /// {ext}<summary>
+    /// <param name="token">{ext}<param>
+    /// <param name="progress">{ext}<param>
+    /// <returns>{ext}<returns>
     public async Task<Result> TryActivationAsync(CancellationToken token, IProgress<Result> progress)
     {
       // predispongo il payload da allegare alla result...
@@ -1479,10 +1479,10 @@ namespace MConnectSDK
     }
     /// <summary>
     /// Task x AUTH
-    /// </summary>
-    /// <param name="token"></param>
-    /// <param name="progress"></param>
-    /// <returns></returns>
+    /// {ext}<summary>
+    /// <param name="token">{ext}<param>
+    /// <param name="progress">{ext}<param>
+    /// <returns>{ext}<returns>
     public async Task<Result> EnrollMachineAsync(CancellationToken token, IProgress<Result> progress)
     {
       // predispongo il payload da allegare alla result...
@@ -1539,7 +1539,17 @@ namespace MConnectSDK
       // return finale dello status della chiamata...
       return _currReq;
     }
-    public async Task<Result> TryUpLoadFile(CancellationToken token, IProgress<Result> progress, string fileName)
+
+
+    /// <summary>
+    /// Classe x caricamento files
+    /// {ext}<summary>
+    /// <param name="token">{ext}<param>
+    /// <param name="progress">{ext}<param>    
+    /// <param name="fileName">Nem file (PATH COMPLETO) da caricare{ext}<param>
+    /// <param name="uploadName">Nome da dare al file per il caricamento (con cui sarà nominato al download), se nullo/empty --> impostato BACKUP.{ext}<param>
+    /// <returns>{ext}<returns>
+    public async Task<Result> TryUpLoadFile(CancellationToken token, IProgress<Result> progress, string fileName, string uploadName = "")
     {
       Result result = new Result();
 
@@ -1549,14 +1559,17 @@ namespace MConnectSDK
         result.Payload = new FilePayload();
         result.CallResultOk = false;
         GatewayPayload resp = new GatewayPayload();
-        string fileExt = Path.GetExtension(fileName);
-        string nomeFile = string.Format("Backup{0}", fileExt);
+        if (uploadName == null || uploadName == "")
+        {
+          string fileExt = Path.GetExtension(fileName);
+          uploadName = string.Format("Backup{0}", fileExt);
+        }
 
         try
         {
           byte[] fileBytes = File.ReadAllBytes(fileName);
           // effettuo call EFFETTIVA
-          var taskRes = Task.Run(() => Utils.uploadAsync(UploadUrl, nomeFile, fileBytes));
+          var taskRes = Task.Run(() => Utils.uploadAsync(UploadUrl, uploadName, fileBytes));
           taskRes.Wait();
           var rawResult = taskRes.Result;
           // leggo la risposta in var temporanea...
diff --git a/TestClient/MainForm.cs b/TestClient/MainForm.cs
index ce0cbda..149a780 100644
--- a/TestClient/MainForm.cs
+++ b/TestClient/MainForm.cs
@@ -220,7 +220,7 @@ namespace TestClient
           QRCodeGenerator qrGenerator = new QRCodeGenerator();
           QRCodeData qrCodeData = qrGenerator.CreateQrCode(authData.QrCode, QRCodeGenerator.ECCLevel.Q);
           QRCode qrCode = new QRCode(qrCodeData);
-          Bitmap qrCodeImage = qrCode.GetGraphic(5); 
+          Bitmap qrCodeImage = qrCode.GetGraphic(5);
           pictBox.Image = qrCodeImage;
 
 #if false