diff --git a/diracx-client/src/diracx/client/generated/aio/operations/_operations.py b/diracx-client/src/diracx/client/generated/aio/operations/_operations.py
index ca69476e..6c70633d 100644
--- a/diracx-client/src/diracx/client/generated/aio/operations/_operations.py
+++ b/diracx-client/src/diracx/client/generated/aio/operations/_operations.py
@@ -41,10 +41,10 @@
     build_jobs_get_job_sandboxes_request,
     build_jobs_get_sandbox_file_request,
     build_jobs_initiate_sandbox_upload_request,
+    build_jobs_patch_metadata_request,
     build_jobs_remove_bulk_jobs_request,
     build_jobs_reschedule_bulk_jobs_request,
     build_jobs_search_request,
-    build_jobs_set_job_parameters_or_attributes_request,
     build_jobs_set_job_statuses_request,
     build_jobs_submit_bulk_jdl_jobs_request,
     build_jobs_summary_request,
@@ -1683,57 +1683,57 @@ async def reschedule_bulk_jobs(
         return deserialized  # type: ignore
 
     @overload
-    async def set_job_parameters_or_attributes(
+    async def patch_metadata(
         self,
         body: Dict[str, JSON],
         *,
         content_type: str = "application/json",
         **kwargs: Any,
-    ) -> Any:
-        """Set Job Parameters Or Attributes.
+    ) -> None:
+        """Patch Metadata.
 
-        Set Job Parameters Or Attributes.
+        Patch Metadata.
 
         :param body: Required.
         :type body: dict[str, JSON]
         :keyword content_type: Body Parameter content-type. Content type parameter for JSON body.
          Default value is "application/json".
         :paramtype content_type: str
-        :return: any
-        :rtype: any
+        :return: None
+        :rtype: None
         :raises ~azure.core.exceptions.HttpResponseError:
         """
 
     @overload
-    async def set_job_parameters_or_attributes(
+    async def patch_metadata(
         self, body: IO[bytes], *, content_type: str = "application/json", **kwargs: Any
-    ) -> Any:
-        """Set Job Parameters Or Attributes.
+    ) -> None:
+        """Patch Metadata.
 
-        Set Job Parameters Or Attributes.
+        Patch Metadata.
 
         :param body: Required.
         :type body: IO[bytes]
         :keyword content_type: Body Parameter content-type. Content type parameter for binary body.
          Default value is "application/json".
         :paramtype content_type: str
-        :return: any
-        :rtype: any
+        :return: None
+        :rtype: None
         :raises ~azure.core.exceptions.HttpResponseError:
         """
 
     @distributed_trace_async
-    async def set_job_parameters_or_attributes(
+    async def patch_metadata(
         self, body: Union[Dict[str, JSON], IO[bytes]], **kwargs: Any
-    ) -> Any:
-        """Set Job Parameters Or Attributes.
+    ) -> None:
+        """Patch Metadata.
 
-        Set Job Parameters Or Attributes.
+        Patch Metadata.
 
         :param body: Is either a {str: JSON} type or a IO[bytes] type. Required.
         :type body: dict[str, JSON] or IO[bytes]
-        :return: any
-        :rtype: any
+        :return: None
+        :rtype: None
         :raises ~azure.core.exceptions.HttpResponseError:
         """
         error_map: MutableMapping = {
@@ -1750,7 +1750,7 @@ async def set_job_parameters_or_attributes(
         content_type: Optional[str] = kwargs.pop(
             "content_type", _headers.pop("Content-Type", None)
         )
-        cls: ClsType[Any] = kwargs.pop("cls", None)
+        cls: ClsType[None] = kwargs.pop("cls", None)
 
         content_type = content_type or "application/json"
         _json = None
@@ -1760,7 +1760,7 @@ async def set_job_parameters_or_attributes(
         else:
             _json = self._serialize.body(body, "{object}")
 
-        _request = build_jobs_set_job_parameters_or_attributes_request(
+        _request = build_jobs_patch_metadata_request(
             content_type=content_type,
             json=_json,
             content=_content,
@@ -1778,18 +1778,14 @@ async def set_job_parameters_or_attributes(
 
         response = pipeline_response.http_response
 
-        if response.status_code not in [200]:
+        if response.status_code not in [204]:
             map_error(
                 status_code=response.status_code, response=response, error_map=error_map
             )
             raise HttpResponseError(response=response)
 
-        deserialized = self._deserialize("object", pipeline_response.http_response)
-
         if cls:
-            return cls(pipeline_response, deserialized, {})  # type: ignore
-
-        return deserialized  # type: ignore
+            return cls(pipeline_response, None, {})  # type: ignore
 
     @overload
     async def search(
diff --git a/diracx-client/src/diracx/client/generated/operations/_operations.py b/diracx-client/src/diracx/client/generated/operations/_operations.py
index c85db0bb..6c101c37 100644
--- a/diracx-client/src/diracx/client/generated/operations/_operations.py
+++ b/diracx-client/src/diracx/client/generated/operations/_operations.py
@@ -535,16 +535,12 @@ def build_jobs_reschedule_bulk_jobs_request(
     )
 
 
-def build_jobs_set_job_parameters_or_attributes_request(
-    **kwargs: Any,
-) -> HttpRequest:  # pylint: disable=name-too-long
+def build_jobs_patch_metadata_request(**kwargs: Any) -> HttpRequest:
     _headers = case_insensitive_dict(kwargs.pop("headers", {}) or {})
 
     content_type: Optional[str] = kwargs.pop(
         "content_type", _headers.pop("Content-Type", None)
     )
-    accept = _headers.pop("Accept", "application/json")
-
     # Construct URL
     _url = "/api/jobs/metadata"
 
@@ -553,7 +549,6 @@ def build_jobs_set_job_parameters_or_attributes_request(
         _headers["Content-Type"] = _SERIALIZER.header(
             "content_type", content_type, "str"
         )
-    _headers["Accept"] = _SERIALIZER.header("accept", accept, "str")
 
     return HttpRequest(method="PATCH", url=_url, headers=_headers, **kwargs)
 
@@ -2246,57 +2241,57 @@ def reschedule_bulk_jobs(
         return deserialized  # type: ignore
 
     @overload
-    def set_job_parameters_or_attributes(
+    def patch_metadata(
         self,
         body: Dict[str, JSON],
         *,
         content_type: str = "application/json",
         **kwargs: Any,
-    ) -> Any:
-        """Set Job Parameters Or Attributes.
+    ) -> None:
+        """Patch Metadata.
 
-        Set Job Parameters Or Attributes.
+        Patch Metadata.
 
         :param body: Required.
         :type body: dict[str, JSON]
         :keyword content_type: Body Parameter content-type. Content type parameter for JSON body.
          Default value is "application/json".
         :paramtype content_type: str
-        :return: any
-        :rtype: any
+        :return: None
+        :rtype: None
         :raises ~azure.core.exceptions.HttpResponseError:
         """
 
     @overload
-    def set_job_parameters_or_attributes(
+    def patch_metadata(
         self, body: IO[bytes], *, content_type: str = "application/json", **kwargs: Any
-    ) -> Any:
-        """Set Job Parameters Or Attributes.
+    ) -> None:
+        """Patch Metadata.
 
-        Set Job Parameters Or Attributes.
+        Patch Metadata.
 
         :param body: Required.
         :type body: IO[bytes]
         :keyword content_type: Body Parameter content-type. Content type parameter for binary body.
          Default value is "application/json".
         :paramtype content_type: str
-        :return: any
-        :rtype: any
+        :return: None
+        :rtype: None
         :raises ~azure.core.exceptions.HttpResponseError:
         """
 
     @distributed_trace
-    def set_job_parameters_or_attributes(
+    def patch_metadata(  # pylint: disable=inconsistent-return-statements
         self, body: Union[Dict[str, JSON], IO[bytes]], **kwargs: Any
-    ) -> Any:
-        """Set Job Parameters Or Attributes.
+    ) -> None:
+        """Patch Metadata.
 
-        Set Job Parameters Or Attributes.
+        Patch Metadata.
 
         :param body: Is either a {str: JSON} type or a IO[bytes] type. Required.
         :type body: dict[str, JSON] or IO[bytes]
-        :return: any
-        :rtype: any
+        :return: None
+        :rtype: None
         :raises ~azure.core.exceptions.HttpResponseError:
         """
         error_map: MutableMapping = {
@@ -2313,7 +2308,7 @@ def set_job_parameters_or_attributes(
         content_type: Optional[str] = kwargs.pop(
             "content_type", _headers.pop("Content-Type", None)
         )
-        cls: ClsType[Any] = kwargs.pop("cls", None)
+        cls: ClsType[None] = kwargs.pop("cls", None)
 
         content_type = content_type or "application/json"
         _json = None
@@ -2323,7 +2318,7 @@ def set_job_parameters_or_attributes(
         else:
             _json = self._serialize.body(body, "{object}")
 
-        _request = build_jobs_set_job_parameters_or_attributes_request(
+        _request = build_jobs_patch_metadata_request(
             content_type=content_type,
             json=_json,
             content=_content,
@@ -2341,18 +2336,14 @@ def set_job_parameters_or_attributes(
 
         response = pipeline_response.http_response
 
-        if response.status_code not in [200]:
+        if response.status_code not in [204]:
             map_error(
                 status_code=response.status_code, response=response, error_map=error_map
             )
             raise HttpResponseError(response=response)
 
-        deserialized = self._deserialize("object", pipeline_response.http_response)
-
         if cls:
-            return cls(pipeline_response, deserialized, {})  # type: ignore
-
-        return deserialized  # type: ignore
+            return cls(pipeline_response, None, {})  # type: ignore
 
     @overload
     def search(