diff --git a/README.md b/README.md
index ff98fd4b9762fee5e8cf28ea38633d3f43fb009f..cfc7766648a4ca4440daebe46e6f858823f1ceb5 100644
--- a/README.md
+++ b/README.md
@@ -80,6 +80,12 @@ cd client\generated
 pip install .
 ```
 
+In case of not having the pip installed for your cml you can use following line:
+
+```
+py -m pip install .
+```
+
 ## Running the test script
 
 If using conda, activate first enviroment:
diff --git a/client/ETSI-ARF/WorldServerTest.py b/client/ETSI-ARF/WorldServerTest.py
index c0796245346540587b60dd924149a78ec2b87ccf..f292aaf6082aeebf0f7fe89c3f992f936dc69f0c 100644
--- a/client/ETSI-ARF/WorldServerTest.py
+++ b/client/ETSI-ARF/WorldServerTest.py
@@ -1,3 +1,5 @@
+#!/usr/bin/env python
+
 #
 # ARF - Augmented Reality Framework (ETSI ISG ARF)
 #
@@ -19,14 +21,18 @@
 #
 
 import time
-import openapi_client
-from openapi_client.api import default_api
 from pprint import pprint
 
+import ETSI.ARF.OpenAPI.WorldStorage
+from ETSI.ARF.OpenAPI.WorldStorage.api import default_api
+from ETSI.ARF.OpenAPI.WorldStorage.api import trackables_api
+from ETSI.ARF.OpenAPI.WorldStorage.api import world_anchors_api
+from ETSI.ARF.OpenAPI.WorldStorage.api import world_links_api
+
 # recommended to create enviroment
 # conda create -n openapi
 # conda activate openapi
-# to install the World Storage OpenAPI: cd to /CHANGE_PATH/generated folder, and then run "pip install ."
+# to install the World Storage OpenAPI: cd to /CHANGE_PATH/generated folder, and then run "py-exe -m pip install ."
 
 # then to run, activate first enviroment:
 # conda activate openapi
@@ -35,55 +41,105 @@ from pprint import pprint
 
 
 # See configuration.py for a list of all supported configuration parameters.
-configuration = openapi_client.Configuration(
-    host="https://etsi.hhi.fraunhofer.de/"
+configuration = ETSI.ARF.OpenAPI.WorldStorage.Configuration(
+    host="https://etsi.hhi.fraunhofer.de"
 )
 
 print()
 print("ETSI ISG - ARF World Storage")
 print()
-print("Simple request tests")
+print("Simple query tests")
 print("====================")
 print()
-print("Using WS server" + configuration.host)
+print("Using WS server: " + configuration.host)
 print()
 
-success = 0
+#
+# Test the server availability
+#
+def CheckRESTServer(client) -> bool:
+    success = 0
 
-# Enter a context with an instance of the API client
-with openapi_client.ApiClient(configuration) as api_client:
     # Create an instance of the API class
-    api_instance = default_api.DefaultApi(api_client)
+    api_instance = default_api.DefaultApi(client)
 
-    # example, this endpoint has no required or optional parameters
+    #
+    # Endpoint: default
+    #
     try:
         # Test the server availability.
         api_response = api_instance.get_ping()
         print("Sending 'ping', got response: " + api_response)
         success += 1
-    except openapi_client.ApiException as e:
+    except ETSI.ARF.OpenAPI.WorldStorage.ApiException as e:
         print("Exception when calling DefaultApi->get_ping: %s\n" % e)
 
-    # example, this endpoint has no required or optional parameters
     try:
         # Test the server availability.
         api_response = api_instance.get_version()
         print("Sending 'version', got response: " + api_response)
         success += 1
-    except openapi_client.ApiException as e:
+    except ETSI.ARF.OpenAPI.WorldStorage.ApiException as e:
         print("Exception when calling DefaultApi->get_ping: %s\n" % e)
 
-    # example, this endpoint has no required or optional parameters
     try:
         # Test the server availability.
         api_response = api_instance.get_admin()
         print("Sending 'admin', got response: " + api_response)
         success += 1
-    except openapi_client.ApiException as e:
+    except ETSI.ARF.OpenAPI.WorldStorage.ApiException as e:
         print("Exception when calling DefaultApi->get_ping: %s\n" % e)
 
-if success == 3:
-    print ("Connection was succesfull.")
-else:
-    print ("Connection was not succesfull!")
+    return success == 3
+
+# Enter a context with an instance of the API client
+with ETSI.ARF.OpenAPI.WorldStorage.ApiClient(configuration) as api_client:
+ 
+    print("1. Testing default (admin) endpoints")
+    isServerOk = CheckRESTServer(api_client)
+
+    if isServerOk == True:
+        print ("REST Connection was succesfull.")
+
+        #
+        # Endpoint: trackables
+        #
+        print()
+        print("2. Testing trackables endpoints")
+        api_instance_t = trackables_api.TrackablesApi(api_client)
+        try:
+            list_response = api_instance_t.get_trackables()
+            print("Querying Trackables: got list with " + str(len(list_response)) + " items:")
+            for item in list_response:
+                print("   UUID: " + str(item.uuid) + " Name: " + item.name + " (Type: " + str(item.trackable_type) + ")")
+        except ETSI.ARF.OpenAPI.WorldStorage.ApiException as e:
+            print("Exception when calling TrackablesApi->get_trackables: %s\n" % e)
+
+        print()
+        print("3. Testing anchors endpoints")
+        api_instance_wa = world_anchors_api.WorldAnchorsApi(api_client)
+        try:
+            list_response = api_instance_wa.get_world_anchors()
+            print("Querying World Anchors: got list with " + str(len(list_response)) + " items:")
+            for item in list_response:
+                print("   UUID: " + str(item.uuid) + " Name: " + item.name )
+        except ETSI.ARF.OpenAPI.WorldStorage.ApiException as e:
+            print("Exception when calling WorldAnchorsApi->get_world_anchors: %s\n" % e)
+
+        print()
+        print("4. Testing links endpoints")
+        api_instance_wl = world_links_api.WorldLinksApi(api_client)
+        try:
+            list_response = api_instance_wl.get_world_links()
+            print("Querying World Links: got list with " + str(len(list_response)) + " items:")
+            for item in list_response:
+                print("   Link from UUID: " + str(item.uuid_from) + " to UUID: " + str(item.uuidto))
+        except ETSI.ARF.OpenAPI.WorldStorage.ApiException as e:
+            print("Exception when calling WorldLinksApi->get_world_links: %s\n" % e)
+
+    else:
+        print ("REST Connection was not succesfull!")
+
 
+print ()
+print ("End of test.")
\ No newline at end of file
diff --git a/openapi b/openapi
index af5fc2355f7b03fbc76e9d9e04452044d4b5ca8d..073fd7213fd9e6ebc2f8a47d628a650de30c8bc4 160000
--- a/openapi
+++ b/openapi
@@ -1 +1 @@
-Subproject commit af5fc2355f7b03fbc76e9d9e04452044d4b5ca8d
+Subproject commit 073fd7213fd9e6ebc2f8a47d628a650de30c8bc4
diff --git a/openapitools.json b/openapitools.json
index f8d1d947d3cdce3701c69121705f72d8c7b5f309..c36675578c2c57b728aa24a167dc51ef15fbd46d 100644
--- a/openapitools.json
+++ b/openapitools.json
@@ -2,14 +2,15 @@
   "$schema": "node_modules/@openapitools/openapi-generator-cli/config.schema.json",
   "spaces": 2,
   "generator-cli": {
-    "version": "5.3.0",
+    "version": "7.6.0",
     "generators":{
-      "v1.1": {
+      "python": {
      "generatorName": "python",
      "output": "./client/generated",
      "inputSpec": "./openapi/API/worldstorage/worldstorageopenapi.yaml",
      "additionalProperties": {
-      }
+      "packageName": "ETSI.ARF.OpenAPI.WorldStorage"
+     }
      }
     }
   }