diff --git a/php/classes/WebServer.php b/php/classes/WebServer.php
index dc566e8..1f0695a 100644
--- a/php/classes/WebServer.php
+++ b/php/classes/WebServer.php
@@ -79,6 +79,7 @@ class WebServer
 	private $dataFileName;
 	private $requestManager = null;
 	private $paramLoader = null;
+	private $service;
 	
 	function __construct() 
 	{
@@ -173,6 +174,7 @@ class WebServer
 		$wsUserMgr->init($this->userID, $this->userPWD, $this->sessionID, $this->isSoap);
 		
 		$this->IPclient = $wsUserMgr->getIPClient();
+		
 		return array('success' => true);
 	}
 
@@ -417,12 +419,13 @@ class WebServer
 			return array('success' => false);
 	}
 
+/*
+*   get status for jobs in batch
+*/
 	public function getStatus($data) 
 	{
 		$result = $this->init($data);
 		
-		$this->userID = 'impex';
-		
 		$id = $result['vars']['id'];
 		
 		if (!isset($this->requestManager))
@@ -430,13 +433,13 @@ class WebServer
 			
 		try 
 		{
-			$res = $this->requestManager->runWSRequest($this->userID, 'unknown', FunctionTypeEnumClass::PROCESSGETINFO, null, $id);
+			$res = $this->requestManager->runWSRequest('nobody', 'nobody', FunctionTypeEnumClass::PROCESSGETINFO, null, $id);
 		} 
 		catch (Exception $e) 
 		{
 // 			if ($e->getMessage() == "Exception detected : Request execution error  : Cannot get process from id" )
 // 			{
-				// after first getStatus() call  process is cleaned up
+				// after first getStatus() call  process is deleted
 				$jobsManager = new WSJobsManagerClass();
 				
 				try 
@@ -483,7 +486,7 @@ class WebServer
 //     [result] => download_imf_1484352000_1494806400.txt
 //     [format] => 
 //     [compression] => 0
-		$this->cleanProcess($res['id']);
+		$this->deleteProcess($res['id']);
 		return  array('success' => true, 'status' => $res['status'],  'dataFileURLs' => WSConfigClass::getUrl().$res['result']);
 	}
 	
@@ -521,6 +524,9 @@ class WebServer
 		return  array('success' => true,'ParameterList' => array("UserDefinedParameters"=>$wsParamResult, "LocalDataBaseParameters"=>$locParamResult, "RemoteDataBaseParameters"=>$remoteParamResult));
 	}
 	
+/*
+*   generate AUTH token for access to REST services 
+*/
 	public function getNewToken()
 	{
 		$timeStamp = (new DateTime())->getTimestamp();
@@ -540,7 +546,7 @@ class WebServer
 			$this->throwError("requestError", "Cannot parse request"); 
 		}
 
-		$resMgr = $this->initUserMgr();
+		$this->initUserMgr();
 
 		$vars = $res['vars'];
 
@@ -560,11 +566,13 @@ class WebServer
 			$gzip = 0;
 		else
 			$gzip = $vars["gzip"];
-/*
-    if (!$vars["stream"])
-      $stream = 0;
-    else
-      $stream = $vars["stream"];*/
+
+		if (!$vars["stream"])
+			$stream = 0;
+		else
+			$stream = $vars["stream"];
+			
+		$this->service = strtolower(__FUNCTION__);
 
 		$res = $this->doDownloadRequest(
 					array("startTime" => $vars["startTime"], "stopTime" => $vars["stopTime"], "sampling" => $vars["sampling"]),
@@ -865,7 +873,7 @@ class WebServer
 			$this->requestManager = new RequestManagerClass();
 		 
 		try {
-			$downloadResult = $this->requestManager->runWSRequest($this->userID, $this->IPclient, FunctionTypeEnumClass::PARAMS, WSConfigClass::DOWNLOAD, $obj);
+			$downloadResult = $this->requestManager->runWSRequest($this->userID, $this->IPclient, FunctionTypeEnumClass::PARAMS, $this->service, $obj);
 		} catch (Exception $e) {
 			$this->throwError("executionError", "Exception detected : ".$e->getMessage()); 
 		}
@@ -878,14 +886,19 @@ class WebServer
 			return ['success' => true, 'status' => 'in progress', 'id' => $downloadResult['id']];
 		} elseif ($downloadResult['status'] == 'done') 
 		{
-			$this->cleanProcess($downloadResult['id']);
+			$this->deleteProcess($downloadResult['id']);
 			return array('success' => true, 'status' => 'done', 'dataFileURLs' => WSConfigClass::getUrl().$downloadResult['result']);
 		} else {
 			return ['success' => false, 'message' => 'Unknown status ' . $downloadResult['status']];
 		} 
 	}
 	
-	private function cleanProcess($id)
+/*
+* delete process after execution : 
+*         delete temporary files/folders ( JOBS/process_xxxx, RES/DDxxx ); 
+*         delete job node in processManager.xml
+*/
+	private function deleteProcess($id)
 	{
 		$obj = (object)array('id' => $id);
    
@@ -893,9 +906,9 @@ class WebServer
 			$this->requestManager = new RequestManagerClass();
 
 		try {
-			$downloadResult = $this->requestManager->runWSRequest($this->userID, $this->IPclient, FunctionTypeEnumClass::PROCESSDELETE, WSConfigClass::DOWNLOAD, $obj);
+			$downloadResult = $this->requestManager->runWSRequest($this->userID, $this->IPclient, FunctionTypeEnumClass::PROCESSDELETE, null, $obj);
 		} catch (Exception $e) {
-			$this->throwError("cleanProcessError", $e->getMessage());
+			$this->throwError("deleteProcessError", $e->getMessage());
 		}
 	}
 
--
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