diff --git a/geoapi/api/PssApi.php b/geoapi/api/PssApi.php
index a1a071c..72d5e04 100644
--- a/geoapi/api/PssApi.php
+++ b/geoapi/api/PssApi.php
@@ -20,6 +20,24 @@ class PssApi extends Api {
      * @var string
      */
     public static $routeParameterPids = "/pid/:pid+";
+    
+        /**
+     * Route string for the iNames paramter
+     * @var string
+     */
+    public static $routeParameterSNames = "/sname/:sname+";
+    
+        /**
+     * Keyword for pidList arguments
+     * @var string
+     */
+    public static $keyPidList = "pidList";
+
+    /**
+     * Keyword for iNameList arguments
+     * @var string
+     */
+    public static $keySNameList = "sNameList";
 
     /**
      * max number of pid for each query
@@ -49,11 +67,18 @@ class PssApi extends Api {
      * @return query result as xml
      */
     public function sendPssQuery($queryArgs) {
-        $pidList = \utiliy\ArrayManager::removeEmptyItmes($queryArgs);
-
+        $pidList = \utiliy\ArrayManager::removeEmptyItmes($queryArgs[self::$keyPidList]);        
+        
+        if (array_key_exists(self::$keySNameList, $queryArgs)) {
+            $sNameList = \utiliy\ArrayManager::removeEmptyItmes($queryArgs[self::$keySNameList]);
+        } else {
+            $sNameList = array();
+        }
+        
         if (count($pidList) < self::$maxPid) {
-            $result = $this->sqlManager->sendPssQuery($pidList);
-            return $this->serialManager->arrayTopis($result);
+            $result = $this->sqlManager->sendPssQuery($pidList, $sNameList);
+
+            return $this->serialManager->arrayToPss($result);
         }
         return NULL;
     }
diff --git a/geoapi/database/PssSqlManager.php b/geoapi/database/PssSqlManager.php
index eac7745..5360547 100644
--- a/geoapi/database/PssSqlManager.php
+++ b/geoapi/database/PssSqlManager.php
@@ -56,6 +56,12 @@ class PssSqlManager extends SQLManager {
      */
     private static $pidTerm = "pid = ";
 
+    /**
+     * String for the iName part of the query
+     * @var string
+     */
+    private static $sNameTerm = "sName = ";
+
     /**
      * Default-Constructor
      */
@@ -75,16 +81,26 @@ class PssSqlManager extends SQLManager {
      * @param array $queryArgs
      * @return array [num][assoc]
      */
-    public function sendPssQuery($queryArgs) {
+    public function sendPssQuery($pidList, $sNameList) {
 
         // build query string
         $query = self::$selectTerm;
-
-        if (\utiliy\ArrayManager::validIntList($queryArgs)) {
-            $query .= \utiliy\ArrayManager::toSqlWhereString($queryArgs, self::$orTerm, self::$pidTerm) . self::$orderByTerm;
+        if (\utiliy\ArrayManager::validIntList($pidList)) {
+            $query .= self::$openBracket;
+            $query .= \utiliy\ArrayManager::toSqlWhereString($pidList, self::$orTerm, self::$pidTerm);
+            $query .= self::$closeBracket;
         } else {
             return null;
-        };
+        }
+
+        if (count($sNameList) > 0 && \utiliy\ArrayManager::validAlphaNumList($sNameList)) {
+            $query .= self::$andTerm;
+            $query .= self::$openBracket;
+            $query .= \utiliy\ArrayManager::toSqlWhereString($sNameList, self::$orTerm, self::$sNameTerm);
+            $query .= self::$closeBracket;
+        }
+
+        $query .= self::$orderByTerm;
 
         // send query
         return $this->query($query);
diff --git a/geoapi/service/pss/index.php b/geoapi/service/pss/index.php
index c6e55cc..9368884 100644
--- a/geoapi/service/pss/index.php
+++ b/geoapi/service/pss/index.php
@@ -9,8 +9,17 @@ $headers = apache_request_headers();
 $app = new \api\PssApi($headers);
 
 // HTTP-Get-Method
+$app->get(\api\PssApi::$routeParameterPids . \api\PssApi::$routeParameterSNames, function ($pid, $sNames = array()) use ($app) {
+            $queryArgs = array();
+            $queryArgs[\api\PssApi::$keyPidList] = $pid;
+            $queryArgs[\api\PssApi::$keySNameList] = $sNames;
+            echo $app->sendPssQuery($queryArgs);
+        });
+
 $app->get(\api\PssApi::$routeParameterPids, function ($pid) use ($app) {
-           echo $app->sendPssQuery($pid);
+            $queryArgs = array();
+            $queryArgs[\api\PssApi::$keyPidList] = $pid;
+            echo $app->sendPssQuery($queryArgs);
         });
 
 $app->run();