diff --git a/sdk/openai/azure-ai-openai-assistants/src/main/java/com/azure/ai/openai/assistants/AssistantsAsyncClient.java b/sdk/openai/azure-ai-openai-assistants/src/main/java/com/azure/ai/openai/assistants/AssistantsAsyncClient.java
index ac1a97b68c13..872a1f436733 100644
--- a/sdk/openai/azure-ai-openai-assistants/src/main/java/com/azure/ai/openai/assistants/AssistantsAsyncClient.java
+++ b/sdk/openai/azure-ai-openai-assistants/src/main/java/com/azure/ai/openai/assistants/AssistantsAsyncClient.java
@@ -272,7 +272,7 @@ public Mono<Response<BinaryData>> deleteAssistantWithResponse(String assistantId
     /**
      * Creates a new assistant.
      *
-     * @param body Body parameter.
+     * @param assistantCreationOptions The request details to use when creating a new assistant.
      * @throws IllegalArgumentException thrown if parameters fail the validation.
      * @throws HttpResponseException thrown if the request is rejected by server.
      * @throws ClientAuthenticationException thrown if the request is rejected by server on status code 401.
@@ -283,10 +283,11 @@ public Mono<Response<BinaryData>> deleteAssistantWithResponse(String assistantId
      */
     @Generated
     @ServiceMethod(returns = ReturnType.SINGLE)
-    public Mono<Assistant> createAssistant(AssistantCreationOptions body) {
+    public Mono<Assistant> createAssistant(AssistantCreationOptions assistantCreationOptions) {
         // Generated convenience method for createAssistantWithResponse
         RequestOptions requestOptions = new RequestOptions();
-        return createAssistantWithResponse(BinaryData.fromObject(body), requestOptions).flatMap(FluxUtil::toMono)
+        return createAssistantWithResponse(BinaryData.fromObject(assistantCreationOptions), requestOptions)
+            .flatMap(FluxUtil::toMono)
             .map(protocolMethodData -> protocolMethodData.toObject(Assistant.class));
     }
 
@@ -1464,7 +1465,7 @@ public Mono<Assistant> getAssistant(String assistantId) {
     /**
      * Creates a new thread. Threads contain messages and can be run by assistants.
      *
-     * @param body Body parameter.
+     * @param assistantThreadCreationOptions The details used to create a new assistant thread.
      * @throws IllegalArgumentException thrown if parameters fail the validation.
      * @throws HttpResponseException thrown if the request is rejected by server.
      * @throws ClientAuthenticationException thrown if the request is rejected by server on status code 401.
@@ -1475,10 +1476,11 @@ public Mono<Assistant> getAssistant(String assistantId) {
      */
     @Generated
     @ServiceMethod(returns = ReturnType.SINGLE)
-    public Mono<AssistantThread> createThread(AssistantThreadCreationOptions body) {
+    public Mono<AssistantThread> createThread(AssistantThreadCreationOptions assistantThreadCreationOptions) {
         // Generated convenience method for createThreadWithResponse
         RequestOptions requestOptions = new RequestOptions();
-        return createThreadWithResponse(BinaryData.fromObject(body), requestOptions).flatMap(FluxUtil::toMono)
+        return createThreadWithResponse(BinaryData.fromObject(assistantThreadCreationOptions), requestOptions)
+            .flatMap(FluxUtil::toMono)
             .map(protocolMethodData -> protocolMethodData.toObject(AssistantThread.class));
     }
 
@@ -1724,7 +1726,7 @@ public Mono<ThreadRun> cancelRun(String threadId, String runId) {
     /**
      * Creates a new assistant thread and immediately starts a run using that new thread.
      *
-     * @param body Body parameter.
+     * @param createAndRunThreadOptions The details used when creating and immediately running a new assistant thread.
      * @throws IllegalArgumentException thrown if parameters fail the validation.
      * @throws HttpResponseException thrown if the request is rejected by server.
      * @throws ClientAuthenticationException thrown if the request is rejected by server on status code 401.
@@ -1736,10 +1738,11 @@ public Mono<ThreadRun> cancelRun(String threadId, String runId) {
      */
     @Generated
     @ServiceMethod(returns = ReturnType.SINGLE)
-    public Mono<ThreadRun> createThreadAndRun(CreateAndRunThreadOptions body) {
+    public Mono<ThreadRun> createThreadAndRun(CreateAndRunThreadOptions createAndRunThreadOptions) {
         // Generated convenience method for createThreadAndRunWithResponse
         RequestOptions requestOptions = new RequestOptions();
-        return createThreadAndRunWithResponse(BinaryData.fromObject(body), requestOptions).flatMap(FluxUtil::toMono)
+        return createThreadAndRunWithResponse(BinaryData.fromObject(createAndRunThreadOptions), requestOptions)
+            .flatMap(FluxUtil::toMono)
             .map(protocolMethodData -> protocolMethodData.toObject(ThreadRun.class));
     }
 
@@ -2232,7 +2235,7 @@ public Mono<Response<BinaryData>> getFileWithResponse(String fileId, RequestOpti
      * Modifies an existing assistant.
      *
      * @param assistantId The ID of the assistant to modify.
-     * @param body Body parameter.
+     * @param updateAssistantOptions The request details to use when modifying an existing assistant.
      * @throws IllegalArgumentException thrown if parameters fail the validation.
      * @throws HttpResponseException thrown if the request is rejected by server.
      * @throws ClientAuthenticationException thrown if the request is rejected by server on status code 401.
@@ -2243,10 +2246,10 @@ public Mono<Response<BinaryData>> getFileWithResponse(String fileId, RequestOpti
      */
     @Generated
     @ServiceMethod(returns = ReturnType.SINGLE)
-    public Mono<Assistant> updateAssistant(String assistantId, UpdateAssistantOptions body) {
+    public Mono<Assistant> updateAssistant(String assistantId, UpdateAssistantOptions updateAssistantOptions) {
         // Generated convenience method for updateAssistantWithResponse
         RequestOptions requestOptions = new RequestOptions();
-        return updateAssistantWithResponse(assistantId, BinaryData.fromObject(body), requestOptions)
+        return updateAssistantWithResponse(assistantId, BinaryData.fromObject(updateAssistantOptions), requestOptions)
             .flatMap(FluxUtil::toMono)
             .map(protocolMethodData -> protocolMethodData.toObject(Assistant.class));
     }
@@ -2308,7 +2311,7 @@ public Mono<ThreadMessage> updateMessage(String threadId, String messageId) {
      * Creates a new run for an assistant thread.
      *
      * @param threadId The ID of the thread to run.
-     * @param createRunOptions The details for the run to create.
+     * @param createRunOptions The details used when creating a new run of an assistant thread.
      * @throws IllegalArgumentException thrown if parameters fail the validation.
      * @throws HttpResponseException thrown if the request is rejected by server.
      * @throws ClientAuthenticationException thrown if the request is rejected by server on status code 401.
@@ -3266,7 +3269,7 @@ public Mono<Response<BinaryData>> listVectorStoreFileBatchFilesWithResponse(Stri
      * Modifies an existing thread.
      *
      * @param threadId The ID of the thread to modify.
-     * @param body Body parameter.
+     * @param updateAssistantThreadOptions The details used to update an existing assistant thread.
      * @throws IllegalArgumentException thrown if parameters fail the validation.
      * @throws HttpResponseException thrown if the request is rejected by server.
      * @throws ClientAuthenticationException thrown if the request is rejected by server on status code 401.
@@ -3277,10 +3280,12 @@ public Mono<Response<BinaryData>> listVectorStoreFileBatchFilesWithResponse(Stri
      */
     @Generated
     @ServiceMethod(returns = ReturnType.SINGLE)
-    public Mono<AssistantThread> updateThread(String threadId, UpdateAssistantThreadOptions body) {
+    public Mono<AssistantThread> updateThread(String threadId,
+        UpdateAssistantThreadOptions updateAssistantThreadOptions) {
         // Generated convenience method for updateThreadWithResponse
         RequestOptions requestOptions = new RequestOptions();
-        return updateThreadWithResponse(threadId, BinaryData.fromObject(body), requestOptions).flatMap(FluxUtil::toMono)
+        return updateThreadWithResponse(threadId, BinaryData.fromObject(updateAssistantThreadOptions), requestOptions)
+            .flatMap(FluxUtil::toMono)
             .map(protocolMethodData -> protocolMethodData.toObject(AssistantThread.class));
     }
 
@@ -3373,7 +3378,7 @@ public Mono<PageableList<VectorStore>> listVectorStores() {
     /**
      * Creates a vector store.
      *
-     * @param body Body parameter.
+     * @param vectorStoreOptions Request object for creating a vector store.
      * @throws IllegalArgumentException thrown if parameters fail the validation.
      * @throws HttpResponseException thrown if the request is rejected by server.
      * @throws ClientAuthenticationException thrown if the request is rejected by server on status code 401.
@@ -3385,10 +3390,11 @@ public Mono<PageableList<VectorStore>> listVectorStores() {
      */
     @Generated
     @ServiceMethod(returns = ReturnType.SINGLE)
-    public Mono<VectorStore> createVectorStore(VectorStoreOptions body) {
+    public Mono<VectorStore> createVectorStore(VectorStoreOptions vectorStoreOptions) {
         // Generated convenience method for createVectorStoreWithResponse
         RequestOptions requestOptions = new RequestOptions();
-        return createVectorStoreWithResponse(BinaryData.fromObject(body), requestOptions).flatMap(FluxUtil::toMono)
+        return createVectorStoreWithResponse(BinaryData.fromObject(vectorStoreOptions), requestOptions)
+            .flatMap(FluxUtil::toMono)
             .map(protocolMethodData -> protocolMethodData.toObject(VectorStore.class));
     }
 
@@ -3418,7 +3424,7 @@ public Mono<VectorStore> getVectorStore(String vectorStoreId) {
      * The ID of the vector store to modify.
      *
      * @param vectorStoreId The ID of the vector store to modify.
-     * @param body Body parameter.
+     * @param vectorStoreUpdateOptions Request object for updating a vector store.
      * @throws IllegalArgumentException thrown if parameters fail the validation.
      * @throws HttpResponseException thrown if the request is rejected by server.
      * @throws ClientAuthenticationException thrown if the request is rejected by server on status code 401.
@@ -3430,11 +3436,12 @@ public Mono<VectorStore> getVectorStore(String vectorStoreId) {
      */
     @Generated
     @ServiceMethod(returns = ReturnType.SINGLE)
-    public Mono<VectorStore> modifyVectorStore(String vectorStoreId, VectorStoreUpdateOptions body) {
+    public Mono<VectorStore> modifyVectorStore(String vectorStoreId,
+        VectorStoreUpdateOptions vectorStoreUpdateOptions) {
         // Generated convenience method for modifyVectorStoreWithResponse
         RequestOptions requestOptions = new RequestOptions();
-        return modifyVectorStoreWithResponse(vectorStoreId, BinaryData.fromObject(body), requestOptions)
-            .flatMap(FluxUtil::toMono)
+        return modifyVectorStoreWithResponse(vectorStoreId, BinaryData.fromObject(vectorStoreUpdateOptions),
+            requestOptions).flatMap(FluxUtil::toMono)
             .map(protocolMethodData -> protocolMethodData.toObject(VectorStore.class));
     }
 
diff --git a/sdk/openai/azure-ai-openai-assistants/src/main/java/com/azure/ai/openai/assistants/AssistantsClient.java b/sdk/openai/azure-ai-openai-assistants/src/main/java/com/azure/ai/openai/assistants/AssistantsClient.java
index a9bb04e3f628..7b8f04ed9f74 100644
--- a/sdk/openai/azure-ai-openai-assistants/src/main/java/com/azure/ai/openai/assistants/AssistantsClient.java
+++ b/sdk/openai/azure-ai-openai-assistants/src/main/java/com/azure/ai/openai/assistants/AssistantsClient.java
@@ -268,7 +268,7 @@ public Response<BinaryData> deleteAssistantWithResponse(String assistantId, Requ
     /**
      * Creates a new assistant.
      *
-     * @param body Body parameter.
+     * @param assistantCreationOptions The request details to use when creating a new assistant.
      * @throws IllegalArgumentException thrown if parameters fail the validation.
      * @throws HttpResponseException thrown if the request is rejected by server.
      * @throws ClientAuthenticationException thrown if the request is rejected by server on status code 401.
@@ -279,10 +279,10 @@ public Response<BinaryData> deleteAssistantWithResponse(String assistantId, Requ
      */
     @Generated
     @ServiceMethod(returns = ReturnType.SINGLE)
-    public Assistant createAssistant(AssistantCreationOptions body) {
+    public Assistant createAssistant(AssistantCreationOptions assistantCreationOptions) {
         // Generated convenience method for createAssistantWithResponse
         RequestOptions requestOptions = new RequestOptions();
-        return createAssistantWithResponse(BinaryData.fromObject(body), requestOptions).getValue()
+        return createAssistantWithResponse(BinaryData.fromObject(assistantCreationOptions), requestOptions).getValue()
             .toObject(Assistant.class);
     }
 
@@ -1497,7 +1497,7 @@ public Assistant getAssistant(String assistantId) {
     /**
      * Creates a new thread. Threads contain messages and can be run by assistants.
      *
-     * @param body Body parameter.
+     * @param assistantThreadCreationOptions The details used to create a new assistant thread.
      * @throws IllegalArgumentException thrown if parameters fail the validation.
      * @throws HttpResponseException thrown if the request is rejected by server.
      * @throws ClientAuthenticationException thrown if the request is rejected by server on status code 401.
@@ -1508,10 +1508,11 @@ public Assistant getAssistant(String assistantId) {
      */
     @Generated
     @ServiceMethod(returns = ReturnType.SINGLE)
-    public AssistantThread createThread(AssistantThreadCreationOptions body) {
+    public AssistantThread createThread(AssistantThreadCreationOptions assistantThreadCreationOptions) {
         // Generated convenience method for createThreadWithResponse
         RequestOptions requestOptions = new RequestOptions();
-        return createThreadWithResponse(BinaryData.fromObject(body), requestOptions).getValue()
+        return createThreadWithResponse(BinaryData.fromObject(assistantThreadCreationOptions), requestOptions)
+            .getValue()
             .toObject(AssistantThread.class);
     }
 
@@ -1753,7 +1754,7 @@ public ThreadRun cancelRun(String threadId, String runId) {
     /**
      * Creates a new assistant thread and immediately starts a run using that new thread.
      *
-     * @param body Body parameter.
+     * @param createAndRunThreadOptions The details used when creating and immediately running a new assistant thread.
      * @throws IllegalArgumentException thrown if parameters fail the validation.
      * @throws HttpResponseException thrown if the request is rejected by server.
      * @throws ClientAuthenticationException thrown if the request is rejected by server on status code 401.
@@ -1764,10 +1765,11 @@ public ThreadRun cancelRun(String threadId, String runId) {
      */
     @Generated
     @ServiceMethod(returns = ReturnType.SINGLE)
-    public ThreadRun createThreadAndRun(CreateAndRunThreadOptions body) {
+    public ThreadRun createThreadAndRun(CreateAndRunThreadOptions createAndRunThreadOptions) {
         // Generated convenience method for createThreadAndRunWithResponse
         RequestOptions requestOptions = new RequestOptions();
-        return createThreadAndRunWithResponse(BinaryData.fromObject(body), requestOptions).getValue()
+        return createThreadAndRunWithResponse(BinaryData.fromObject(createAndRunThreadOptions), requestOptions)
+            .getValue()
             .toObject(ThreadRun.class);
     }
 
@@ -2248,7 +2250,7 @@ public Response<BinaryData> getFileWithResponse(String fileId, RequestOptions re
      * Modifies an existing assistant.
      *
      * @param assistantId The ID of the assistant to modify.
-     * @param body Body parameter.
+     * @param updateAssistantOptions The request details to use when modifying an existing assistant.
      * @throws IllegalArgumentException thrown if parameters fail the validation.
      * @throws HttpResponseException thrown if the request is rejected by server.
      * @throws ClientAuthenticationException thrown if the request is rejected by server on status code 401.
@@ -2259,10 +2261,11 @@ public Response<BinaryData> getFileWithResponse(String fileId, RequestOptions re
      */
     @Generated
     @ServiceMethod(returns = ReturnType.SINGLE)
-    public Assistant updateAssistant(String assistantId, UpdateAssistantOptions body) {
+    public Assistant updateAssistant(String assistantId, UpdateAssistantOptions updateAssistantOptions) {
         // Generated convenience method for updateAssistantWithResponse
         RequestOptions requestOptions = new RequestOptions();
-        return updateAssistantWithResponse(assistantId, BinaryData.fromObject(body), requestOptions).getValue()
+        return updateAssistantWithResponse(assistantId, BinaryData.fromObject(updateAssistantOptions), requestOptions)
+            .getValue()
             .toObject(Assistant.class);
     }
 
@@ -2321,7 +2324,7 @@ public ThreadMessage updateMessage(String threadId, String messageId) {
      * Creates a new run for an assistant thread.
      *
      * @param threadId The ID of the thread to run.
-     * @param createRunOptions The details for the run to create.
+     * @param createRunOptions The details used when creating a new run of an assistant thread.
      * @throws IllegalArgumentException thrown if parameters fail the validation.
      * @throws HttpResponseException thrown if the request is rejected by server.
      * @throws ClientAuthenticationException thrown if the request is rejected by server on status code 401.
@@ -3287,7 +3290,7 @@ public Response<BinaryData> listVectorStoreFileBatchFilesWithResponse(String vec
      * Modifies an existing thread.
      *
      * @param threadId The ID of the thread to modify.
-     * @param body Body parameter.
+     * @param updateAssistantThreadOptions The details used to update an existing assistant thread.
      * @throws IllegalArgumentException thrown if parameters fail the validation.
      * @throws HttpResponseException thrown if the request is rejected by server.
      * @throws ClientAuthenticationException thrown if the request is rejected by server on status code 401.
@@ -3298,10 +3301,11 @@ public Response<BinaryData> listVectorStoreFileBatchFilesWithResponse(String vec
      */
     @Generated
     @ServiceMethod(returns = ReturnType.SINGLE)
-    public AssistantThread updateThread(String threadId, UpdateAssistantThreadOptions body) {
+    public AssistantThread updateThread(String threadId, UpdateAssistantThreadOptions updateAssistantThreadOptions) {
         // Generated convenience method for updateThreadWithResponse
         RequestOptions requestOptions = new RequestOptions();
-        return updateThreadWithResponse(threadId, BinaryData.fromObject(body), requestOptions).getValue()
+        return updateThreadWithResponse(threadId, BinaryData.fromObject(updateAssistantThreadOptions), requestOptions)
+            .getValue()
             .toObject(AssistantThread.class);
     }
 
@@ -3393,7 +3397,7 @@ public PageableList<VectorStore> listVectorStores() {
     /**
      * Creates a vector store.
      *
-     * @param body Body parameter.
+     * @param vectorStoreOptions Request object for creating a vector store.
      * @throws IllegalArgumentException thrown if parameters fail the validation.
      * @throws HttpResponseException thrown if the request is rejected by server.
      * @throws ClientAuthenticationException thrown if the request is rejected by server on status code 401.
@@ -3404,10 +3408,10 @@ public PageableList<VectorStore> listVectorStores() {
      */
     @Generated
     @ServiceMethod(returns = ReturnType.SINGLE)
-    public VectorStore createVectorStore(VectorStoreOptions body) {
+    public VectorStore createVectorStore(VectorStoreOptions vectorStoreOptions) {
         // Generated convenience method for createVectorStoreWithResponse
         RequestOptions requestOptions = new RequestOptions();
-        return createVectorStoreWithResponse(BinaryData.fromObject(body), requestOptions).getValue()
+        return createVectorStoreWithResponse(BinaryData.fromObject(vectorStoreOptions), requestOptions).getValue()
             .toObject(VectorStore.class);
     }
 
@@ -3435,7 +3439,7 @@ public VectorStore getVectorStore(String vectorStoreId) {
      * The ID of the vector store to modify.
      *
      * @param vectorStoreId The ID of the vector store to modify.
-     * @param body Body parameter.
+     * @param vectorStoreUpdateOptions Request object for updating a vector store.
      * @throws IllegalArgumentException thrown if parameters fail the validation.
      * @throws HttpResponseException thrown if the request is rejected by server.
      * @throws ClientAuthenticationException thrown if the request is rejected by server on status code 401.
@@ -3446,11 +3450,11 @@ public VectorStore getVectorStore(String vectorStoreId) {
      */
     @Generated
     @ServiceMethod(returns = ReturnType.SINGLE)
-    public VectorStore modifyVectorStore(String vectorStoreId, VectorStoreUpdateOptions body) {
+    public VectorStore modifyVectorStore(String vectorStoreId, VectorStoreUpdateOptions vectorStoreUpdateOptions) {
         // Generated convenience method for modifyVectorStoreWithResponse
         RequestOptions requestOptions = new RequestOptions();
-        return modifyVectorStoreWithResponse(vectorStoreId, BinaryData.fromObject(body), requestOptions).getValue()
-            .toObject(VectorStore.class);
+        return modifyVectorStoreWithResponse(vectorStoreId, BinaryData.fromObject(vectorStoreUpdateOptions),
+            requestOptions).getValue().toObject(VectorStore.class);
     }
 
     /**
diff --git a/sdk/openai/azure-ai-openai-assistants/src/main/java/com/azure/ai/openai/assistants/implementation/AssistantsClientImpl.java b/sdk/openai/azure-ai-openai-assistants/src/main/java/com/azure/ai/openai/assistants/implementation/AssistantsClientImpl.java
index 91b0d4ab5fca..49da917db80c 100644
--- a/sdk/openai/azure-ai-openai-assistants/src/main/java/com/azure/ai/openai/assistants/implementation/AssistantsClientImpl.java
+++ b/sdk/openai/azure-ai-openai-assistants/src/main/java/com/azure/ai/openai/assistants/implementation/AssistantsClientImpl.java
@@ -154,7 +154,7 @@ public interface AssistantsClientService {
         @UnexpectedResponseExceptionType(value = ResourceModifiedException.class, code = { 409 })
         @UnexpectedResponseExceptionType(HttpResponseException.class)
         Mono<Response<BinaryData>> createAssistant(@HostParam("endpoint") String endpoint,
-            @HeaderParam("accept") String accept, @BodyParam("application/json") BinaryData body,
+            @HeaderParam("accept") String accept, @BodyParam("application/json") BinaryData assistantCreationOptions,
             RequestOptions requestOptions, Context context);
 
         @Post("/assistants")
@@ -164,7 +164,7 @@ Mono<Response<BinaryData>> createAssistant(@HostParam("endpoint") String endpoin
         @UnexpectedResponseExceptionType(value = ResourceModifiedException.class, code = { 409 })
         @UnexpectedResponseExceptionType(HttpResponseException.class)
         Response<BinaryData> createAssistantSync(@HostParam("endpoint") String endpoint,
-            @HeaderParam("accept") String accept, @BodyParam("application/json") BinaryData body,
+            @HeaderParam("accept") String accept, @BodyParam("application/json") BinaryData assistantCreationOptions,
             RequestOptions requestOptions, Context context);
 
         @Get("/assistants")
@@ -213,7 +213,8 @@ Response<BinaryData> getAssistantSync(@HostParam("endpoint") String endpoint,
         @UnexpectedResponseExceptionType(HttpResponseException.class)
         Mono<Response<BinaryData>> updateAssistant(@HostParam("endpoint") String endpoint,
             @PathParam("assistantId") String assistantId, @HeaderParam("accept") String accept,
-            @BodyParam("application/json") BinaryData body, RequestOptions requestOptions, Context context);
+            @BodyParam("application/json") BinaryData updateAssistantOptions, RequestOptions requestOptions,
+            Context context);
 
         @Post("/assistants/{assistantId}")
         @ExpectedResponses({ 200 })
@@ -223,7 +224,8 @@ Mono<Response<BinaryData>> updateAssistant(@HostParam("endpoint") String endpoin
         @UnexpectedResponseExceptionType(HttpResponseException.class)
         Response<BinaryData> updateAssistantSync(@HostParam("endpoint") String endpoint,
             @PathParam("assistantId") String assistantId, @HeaderParam("accept") String accept,
-            @BodyParam("application/json") BinaryData body, RequestOptions requestOptions, Context context);
+            @BodyParam("application/json") BinaryData updateAssistantOptions, RequestOptions requestOptions,
+            Context context);
 
         @Delete("/assistants/{assistantId}")
         @ExpectedResponses({ 200 })
@@ -252,8 +254,9 @@ Response<BinaryData> deleteAssistantSync(@HostParam("endpoint") String endpoint,
         @UnexpectedResponseExceptionType(value = ResourceModifiedException.class, code = { 409 })
         @UnexpectedResponseExceptionType(HttpResponseException.class)
         Mono<Response<BinaryData>> createThread(@HostParam("endpoint") String endpoint,
-            @HeaderParam("accept") String accept, @BodyParam("application/json") BinaryData body,
-            RequestOptions requestOptions, Context context);
+            @HeaderParam("accept") String accept,
+            @BodyParam("application/json") BinaryData assistantThreadCreationOptions, RequestOptions requestOptions,
+            Context context);
 
         @Post("/threads")
         @ExpectedResponses({ 200 })
@@ -262,8 +265,9 @@ Mono<Response<BinaryData>> createThread(@HostParam("endpoint") String endpoint,
         @UnexpectedResponseExceptionType(value = ResourceModifiedException.class, code = { 409 })
         @UnexpectedResponseExceptionType(HttpResponseException.class)
         Response<BinaryData> createThreadSync(@HostParam("endpoint") String endpoint,
-            @HeaderParam("accept") String accept, @BodyParam("application/json") BinaryData body,
-            RequestOptions requestOptions, Context context);
+            @HeaderParam("accept") String accept,
+            @BodyParam("application/json") BinaryData assistantThreadCreationOptions, RequestOptions requestOptions,
+            Context context);
 
         @Get("/threads/{threadId}")
         @ExpectedResponses({ 200 })
@@ -293,7 +297,8 @@ Response<BinaryData> getThreadSync(@HostParam("endpoint") String endpoint,
         @UnexpectedResponseExceptionType(HttpResponseException.class)
         Mono<Response<BinaryData>> updateThread(@HostParam("endpoint") String endpoint,
             @PathParam("threadId") String threadId, @HeaderParam("accept") String accept,
-            @BodyParam("application/json") BinaryData body, RequestOptions requestOptions, Context context);
+            @BodyParam("application/json") BinaryData updateAssistantThreadOptions, RequestOptions requestOptions,
+            Context context);
 
         @Post("/threads/{threadId}")
         @ExpectedResponses({ 200 })
@@ -303,7 +308,8 @@ Mono<Response<BinaryData>> updateThread(@HostParam("endpoint") String endpoint,
         @UnexpectedResponseExceptionType(HttpResponseException.class)
         Response<BinaryData> updateThreadSync(@HostParam("endpoint") String endpoint,
             @PathParam("threadId") String threadId, @HeaderParam("accept") String accept,
-            @BodyParam("application/json") BinaryData body, RequestOptions requestOptions, Context context);
+            @BodyParam("application/json") BinaryData updateAssistantThreadOptions, RequestOptions requestOptions,
+            Context context);
 
         @Delete("/threads/{threadId}")
         @ExpectedResponses({ 200 })
@@ -542,7 +548,7 @@ Response<BinaryData> cancelRunSync(@HostParam("endpoint") String endpoint,
         @UnexpectedResponseExceptionType(value = ResourceModifiedException.class, code = { 409 })
         @UnexpectedResponseExceptionType(HttpResponseException.class)
         Mono<Response<BinaryData>> createThreadAndRun(@HostParam("endpoint") String endpoint,
-            @HeaderParam("accept") String accept, @BodyParam("application/json") BinaryData body,
+            @HeaderParam("accept") String accept, @BodyParam("application/json") BinaryData createAndRunThreadOptions,
             RequestOptions requestOptions, Context context);
 
         @Post("/threads/runs")
@@ -552,7 +558,7 @@ Mono<Response<BinaryData>> createThreadAndRun(@HostParam("endpoint") String endp
         @UnexpectedResponseExceptionType(value = ResourceModifiedException.class, code = { 409 })
         @UnexpectedResponseExceptionType(HttpResponseException.class)
         Response<BinaryData> createThreadAndRunSync(@HostParam("endpoint") String endpoint,
-            @HeaderParam("accept") String accept, @BodyParam("application/json") BinaryData body,
+            @HeaderParam("accept") String accept, @BodyParam("application/json") BinaryData createAndRunThreadOptions,
             RequestOptions requestOptions, Context context);
 
         @Get("/threads/{threadId}/runs/{runId}/steps/{stepId}")
@@ -721,7 +727,7 @@ Response<BinaryData> listVectorStoresSync(@HostParam("endpoint") String endpoint
         @UnexpectedResponseExceptionType(value = ResourceModifiedException.class, code = { 409 })
         @UnexpectedResponseExceptionType(HttpResponseException.class)
         Mono<Response<BinaryData>> createVectorStore(@HostParam("endpoint") String endpoint,
-            @HeaderParam("accept") String accept, @BodyParam("application/json") BinaryData body,
+            @HeaderParam("accept") String accept, @BodyParam("application/json") BinaryData vectorStoreOptions,
             RequestOptions requestOptions, Context context);
 
         @Post("/vector_stores")
@@ -731,7 +737,7 @@ Mono<Response<BinaryData>> createVectorStore(@HostParam("endpoint") String endpo
         @UnexpectedResponseExceptionType(value = ResourceModifiedException.class, code = { 409 })
         @UnexpectedResponseExceptionType(HttpResponseException.class)
         Response<BinaryData> createVectorStoreSync(@HostParam("endpoint") String endpoint,
-            @HeaderParam("accept") String accept, @BodyParam("application/json") BinaryData body,
+            @HeaderParam("accept") String accept, @BodyParam("application/json") BinaryData vectorStoreOptions,
             RequestOptions requestOptions, Context context);
 
         @Get("/vector_stores/{vectorStoreId}")
@@ -762,7 +768,8 @@ Response<BinaryData> getVectorStoreSync(@HostParam("endpoint") String endpoint,
         @UnexpectedResponseExceptionType(HttpResponseException.class)
         Mono<Response<BinaryData>> modifyVectorStore(@HostParam("endpoint") String endpoint,
             @PathParam("vectorStoreId") String vectorStoreId, @HeaderParam("accept") String accept,
-            @BodyParam("application/json") BinaryData body, RequestOptions requestOptions, Context context);
+            @BodyParam("application/json") BinaryData vectorStoreUpdateOptions, RequestOptions requestOptions,
+            Context context);
 
         @Post("/vector_stores/{vectorStoreId}")
         @ExpectedResponses({ 200 })
@@ -772,7 +779,8 @@ Mono<Response<BinaryData>> modifyVectorStore(@HostParam("endpoint") String endpo
         @UnexpectedResponseExceptionType(HttpResponseException.class)
         Response<BinaryData> modifyVectorStoreSync(@HostParam("endpoint") String endpoint,
             @PathParam("vectorStoreId") String vectorStoreId, @HeaderParam("accept") String accept,
-            @BodyParam("application/json") BinaryData body, RequestOptions requestOptions, Context context);
+            @BodyParam("application/json") BinaryData vectorStoreUpdateOptions, RequestOptions requestOptions,
+            Context context);
 
         @Delete("/vector_stores/{vectorStoreId}")
         @ExpectedResponses({ 200 })
@@ -1028,7 +1036,7 @@ Response<BinaryData> listVectorStoreFileBatchFilesSync(@HostParam("endpoint") St
      * }
      * }</pre>
      * 
-     * @param body Body parameter.
+     * @param assistantCreationOptions The request details to use when creating a new assistant.
      * @param requestOptions The options to configure the HTTP request before HTTP client sends it.
      * @throws HttpResponseException thrown if the request is rejected by server.
      * @throws ClientAuthenticationException thrown if the request is rejected by server on status code 401.
@@ -1038,10 +1046,11 @@ Response<BinaryData> listVectorStoreFileBatchFilesSync(@HostParam("endpoint") St
      * completion of {@link Mono}.
      */
     @ServiceMethod(returns = ReturnType.SINGLE)
-    public Mono<Response<BinaryData>> createAssistantWithResponseAsync(BinaryData body, RequestOptions requestOptions) {
+    public Mono<Response<BinaryData>> createAssistantWithResponseAsync(BinaryData assistantCreationOptions,
+        RequestOptions requestOptions) {
         final String accept = "application/json";
-        return FluxUtil
-            .withContext(context -> service.createAssistant(this.getEndpoint(), accept, body, requestOptions, context));
+        return FluxUtil.withContext(context -> service.createAssistant(this.getEndpoint(), accept,
+            assistantCreationOptions, requestOptions, context));
     }
 
     /**
@@ -1113,7 +1122,7 @@ public Mono<Response<BinaryData>> createAssistantWithResponseAsync(BinaryData bo
      * }
      * }</pre>
      * 
-     * @param body Body parameter.
+     * @param assistantCreationOptions The request details to use when creating a new assistant.
      * @param requestOptions The options to configure the HTTP request before HTTP client sends it.
      * @throws HttpResponseException thrown if the request is rejected by server.
      * @throws ClientAuthenticationException thrown if the request is rejected by server on status code 401.
@@ -1122,9 +1131,11 @@ public Mono<Response<BinaryData>> createAssistantWithResponseAsync(BinaryData bo
      * @return represents an assistant that can call the model and use tools along with {@link Response}.
      */
     @ServiceMethod(returns = ReturnType.SINGLE)
-    public Response<BinaryData> createAssistantWithResponse(BinaryData body, RequestOptions requestOptions) {
+    public Response<BinaryData> createAssistantWithResponse(BinaryData assistantCreationOptions,
+        RequestOptions requestOptions) {
         final String accept = "application/json";
-        return service.createAssistantSync(this.getEndpoint(), accept, body, requestOptions, Context.NONE);
+        return service.createAssistantSync(this.getEndpoint(), accept, assistantCreationOptions, requestOptions,
+            Context.NONE);
     }
 
     /**
@@ -1465,7 +1476,7 @@ public Response<BinaryData> getAssistantWithResponse(String assistantId, Request
      * }</pre>
      * 
      * @param assistantId The ID of the assistant to modify.
-     * @param body Body parameter.
+     * @param updateAssistantOptions The request details to use when modifying an existing assistant.
      * @param requestOptions The options to configure the HTTP request before HTTP client sends it.
      * @throws HttpResponseException thrown if the request is rejected by server.
      * @throws ClientAuthenticationException thrown if the request is rejected by server on status code 401.
@@ -1475,11 +1486,11 @@ public Response<BinaryData> getAssistantWithResponse(String assistantId, Request
      * completion of {@link Mono}.
      */
     @ServiceMethod(returns = ReturnType.SINGLE)
-    public Mono<Response<BinaryData>> updateAssistantWithResponseAsync(String assistantId, BinaryData body,
-        RequestOptions requestOptions) {
+    public Mono<Response<BinaryData>> updateAssistantWithResponseAsync(String assistantId,
+        BinaryData updateAssistantOptions, RequestOptions requestOptions) {
         final String accept = "application/json";
-        return FluxUtil.withContext(
-            context -> service.updateAssistant(this.getEndpoint(), assistantId, accept, body, requestOptions, context));
+        return FluxUtil.withContext(context -> service.updateAssistant(this.getEndpoint(), assistantId, accept,
+            updateAssistantOptions, requestOptions, context));
     }
 
     /**
@@ -1556,7 +1567,7 @@ public Mono<Response<BinaryData>> updateAssistantWithResponseAsync(String assist
      * }</pre>
      * 
      * @param assistantId The ID of the assistant to modify.
-     * @param body Body parameter.
+     * @param updateAssistantOptions The request details to use when modifying an existing assistant.
      * @param requestOptions The options to configure the HTTP request before HTTP client sends it.
      * @throws HttpResponseException thrown if the request is rejected by server.
      * @throws ClientAuthenticationException thrown if the request is rejected by server on status code 401.
@@ -1565,10 +1576,11 @@ public Mono<Response<BinaryData>> updateAssistantWithResponseAsync(String assist
      * @return represents an assistant that can call the model and use tools along with {@link Response}.
      */
     @ServiceMethod(returns = ReturnType.SINGLE)
-    public Response<BinaryData> updateAssistantWithResponse(String assistantId, BinaryData body,
+    public Response<BinaryData> updateAssistantWithResponse(String assistantId, BinaryData updateAssistantOptions,
         RequestOptions requestOptions) {
         final String accept = "application/json";
-        return service.updateAssistantSync(this.getEndpoint(), assistantId, accept, body, requestOptions, Context.NONE);
+        return service.updateAssistantSync(this.getEndpoint(), assistantId, accept, updateAssistantOptions,
+            requestOptions, Context.NONE);
     }
 
     /**
@@ -1688,7 +1700,7 @@ public Response<BinaryData> deleteAssistantWithResponse(String assistantId, Requ
      * }
      * }</pre>
      * 
-     * @param body Body parameter.
+     * @param assistantThreadCreationOptions The details used to create a new assistant thread.
      * @param requestOptions The options to configure the HTTP request before HTTP client sends it.
      * @throws HttpResponseException thrown if the request is rejected by server.
      * @throws ClientAuthenticationException thrown if the request is rejected by server on status code 401.
@@ -1698,10 +1710,11 @@ public Response<BinaryData> deleteAssistantWithResponse(String assistantId, Requ
      * completion of {@link Mono}.
      */
     @ServiceMethod(returns = ReturnType.SINGLE)
-    public Mono<Response<BinaryData>> createThreadWithResponseAsync(BinaryData body, RequestOptions requestOptions) {
+    public Mono<Response<BinaryData>> createThreadWithResponseAsync(BinaryData assistantThreadCreationOptions,
+        RequestOptions requestOptions) {
         final String accept = "application/json";
-        return FluxUtil
-            .withContext(context -> service.createThread(this.getEndpoint(), accept, body, requestOptions, context));
+        return FluxUtil.withContext(context -> service.createThread(this.getEndpoint(), accept,
+            assistantThreadCreationOptions, requestOptions, context));
     }
 
     /**
@@ -1766,7 +1779,7 @@ public Mono<Response<BinaryData>> createThreadWithResponseAsync(BinaryData body,
      * }
      * }</pre>
      * 
-     * @param body Body parameter.
+     * @param assistantThreadCreationOptions The details used to create a new assistant thread.
      * @param requestOptions The options to configure the HTTP request before HTTP client sends it.
      * @throws HttpResponseException thrown if the request is rejected by server.
      * @throws ClientAuthenticationException thrown if the request is rejected by server on status code 401.
@@ -1775,9 +1788,11 @@ public Mono<Response<BinaryData>> createThreadWithResponseAsync(BinaryData body,
      * @return information about a single thread associated with an assistant along with {@link Response}.
      */
     @ServiceMethod(returns = ReturnType.SINGLE)
-    public Response<BinaryData> createThreadWithResponse(BinaryData body, RequestOptions requestOptions) {
+    public Response<BinaryData> createThreadWithResponse(BinaryData assistantThreadCreationOptions,
+        RequestOptions requestOptions) {
         final String accept = "application/json";
-        return service.createThreadSync(this.getEndpoint(), accept, body, requestOptions, Context.NONE);
+        return service.createThreadSync(this.getEndpoint(), accept, assistantThreadCreationOptions, requestOptions,
+            Context.NONE);
     }
 
     /**
@@ -1914,7 +1929,7 @@ public Response<BinaryData> getThreadWithResponse(String threadId, RequestOption
      * }</pre>
      * 
      * @param threadId The ID of the thread to modify.
-     * @param body Body parameter.
+     * @param updateAssistantThreadOptions The details used to update an existing assistant thread.
      * @param requestOptions The options to configure the HTTP request before HTTP client sends it.
      * @throws HttpResponseException thrown if the request is rejected by server.
      * @throws ClientAuthenticationException thrown if the request is rejected by server on status code 401.
@@ -1924,11 +1939,11 @@ public Response<BinaryData> getThreadWithResponse(String threadId, RequestOption
      * completion of {@link Mono}.
      */
     @ServiceMethod(returns = ReturnType.SINGLE)
-    public Mono<Response<BinaryData>> updateThreadWithResponseAsync(String threadId, BinaryData body,
-        RequestOptions requestOptions) {
+    public Mono<Response<BinaryData>> updateThreadWithResponseAsync(String threadId,
+        BinaryData updateAssistantThreadOptions, RequestOptions requestOptions) {
         final String accept = "application/json";
-        return FluxUtil.withContext(
-            context -> service.updateThread(this.getEndpoint(), threadId, accept, body, requestOptions, context));
+        return FluxUtil.withContext(context -> service.updateThread(this.getEndpoint(), threadId, accept,
+            updateAssistantThreadOptions, requestOptions, context));
     }
 
     /**
@@ -1981,7 +1996,7 @@ public Mono<Response<BinaryData>> updateThreadWithResponseAsync(String threadId,
      * }</pre>
      * 
      * @param threadId The ID of the thread to modify.
-     * @param body Body parameter.
+     * @param updateAssistantThreadOptions The details used to update an existing assistant thread.
      * @param requestOptions The options to configure the HTTP request before HTTP client sends it.
      * @throws HttpResponseException thrown if the request is rejected by server.
      * @throws ClientAuthenticationException thrown if the request is rejected by server on status code 401.
@@ -1990,10 +2005,11 @@ public Mono<Response<BinaryData>> updateThreadWithResponseAsync(String threadId,
      * @return information about a single thread associated with an assistant along with {@link Response}.
      */
     @ServiceMethod(returns = ReturnType.SINGLE)
-    public Response<BinaryData> updateThreadWithResponse(String threadId, BinaryData body,
+    public Response<BinaryData> updateThreadWithResponse(String threadId, BinaryData updateAssistantThreadOptions,
         RequestOptions requestOptions) {
         final String accept = "application/json";
-        return service.updateThreadSync(this.getEndpoint(), threadId, accept, body, requestOptions, Context.NONE);
+        return service.updateThreadSync(this.getEndpoint(), threadId, accept, updateAssistantThreadOptions,
+            requestOptions, Context.NONE);
     }
 
     /**
@@ -2721,7 +2737,7 @@ public Response<BinaryData> updateMessageWithResponse(String threadId, String me
      * }</pre>
      * 
      * @param threadId The ID of the thread to run.
-     * @param createRunOptions The details for the run to create.
+     * @param createRunOptions The details used when creating a new run of an assistant thread.
      * @param requestOptions The options to configure the HTTP request before HTTP client sends it.
      * @throws HttpResponseException thrown if the request is rejected by server.
      * @throws ClientAuthenticationException thrown if the request is rejected by server on status code 401.
@@ -2855,7 +2871,7 @@ public Mono<Response<BinaryData>> createRunWithResponseAsync(String threadId, Bi
      * }</pre>
      * 
      * @param threadId The ID of the thread to run.
-     * @param createRunOptions The details for the run to create.
+     * @param createRunOptions The details used when creating a new run of an assistant thread.
      * @param requestOptions The options to configure the HTTP request before HTTP client sends it.
      * @throws HttpResponseException thrown if the request is rejected by server.
      * @throws ClientAuthenticationException thrown if the request is rejected by server on status code 401.
@@ -3795,7 +3811,7 @@ public Response<BinaryData> cancelRunWithResponse(String threadId, String runId,
      * }
      * }</pre>
      * 
-     * @param body Body parameter.
+     * @param createAndRunThreadOptions The details used when creating and immediately running a new assistant thread.
      * @param requestOptions The options to configure the HTTP request before HTTP client sends it.
      * @throws HttpResponseException thrown if the request is rejected by server.
      * @throws ClientAuthenticationException thrown if the request is rejected by server on status code 401.
@@ -3805,11 +3821,11 @@ public Response<BinaryData> cancelRunWithResponse(String threadId, String runId,
      * successful completion of {@link Mono}.
      */
     @ServiceMethod(returns = ReturnType.SINGLE)
-    public Mono<Response<BinaryData>> createThreadAndRunWithResponseAsync(BinaryData body,
+    public Mono<Response<BinaryData>> createThreadAndRunWithResponseAsync(BinaryData createAndRunThreadOptions,
         RequestOptions requestOptions) {
         final String accept = "application/json";
-        return FluxUtil.withContext(
-            context -> service.createThreadAndRun(this.getEndpoint(), accept, body, requestOptions, context));
+        return FluxUtil.withContext(context -> service.createThreadAndRun(this.getEndpoint(), accept,
+            createAndRunThreadOptions, requestOptions, context));
     }
 
     /**
@@ -3936,7 +3952,7 @@ public Mono<Response<BinaryData>> createThreadAndRunWithResponseAsync(BinaryData
      * }
      * }</pre>
      * 
-     * @param body Body parameter.
+     * @param createAndRunThreadOptions The details used when creating and immediately running a new assistant thread.
      * @param requestOptions The options to configure the HTTP request before HTTP client sends it.
      * @throws HttpResponseException thrown if the request is rejected by server.
      * @throws ClientAuthenticationException thrown if the request is rejected by server on status code 401.
@@ -3945,9 +3961,11 @@ public Mono<Response<BinaryData>> createThreadAndRunWithResponseAsync(BinaryData
      * @return data representing a single evaluation run of an assistant thread along with {@link Response}.
      */
     @ServiceMethod(returns = ReturnType.SINGLE)
-    public Response<BinaryData> createThreadAndRunWithResponse(BinaryData body, RequestOptions requestOptions) {
+    public Response<BinaryData> createThreadAndRunWithResponse(BinaryData createAndRunThreadOptions,
+        RequestOptions requestOptions) {
         final String accept = "application/json";
-        return service.createThreadAndRunSync(this.getEndpoint(), accept, body, requestOptions, Context.NONE);
+        return service.createThreadAndRunSync(this.getEndpoint(), accept, createAndRunThreadOptions, requestOptions,
+            Context.NONE);
     }
 
     /**
@@ -4721,7 +4739,7 @@ public Response<BinaryData> listVectorStoresWithResponse(RequestOptions requestO
      * }
      * }</pre>
      * 
-     * @param body Body parameter.
+     * @param vectorStoreOptions Request object for creating a vector store.
      * @param requestOptions The options to configure the HTTP request before HTTP client sends it.
      * @throws HttpResponseException thrown if the request is rejected by server.
      * @throws ClientAuthenticationException thrown if the request is rejected by server on status code 401.
@@ -4731,11 +4749,11 @@ public Response<BinaryData> listVectorStoresWithResponse(RequestOptions requestO
      * {@link Response} on successful completion of {@link Mono}.
      */
     @ServiceMethod(returns = ReturnType.SINGLE)
-    public Mono<Response<BinaryData>> createVectorStoreWithResponseAsync(BinaryData body,
+    public Mono<Response<BinaryData>> createVectorStoreWithResponseAsync(BinaryData vectorStoreOptions,
         RequestOptions requestOptions) {
         final String accept = "application/json";
-        return FluxUtil.withContext(
-            context -> service.createVectorStore(this.getEndpoint(), accept, body, requestOptions, context));
+        return FluxUtil.withContext(context -> service.createVectorStore(this.getEndpoint(), accept, vectorStoreOptions,
+            requestOptions, context));
     }
 
     /**
@@ -4787,7 +4805,7 @@ public Mono<Response<BinaryData>> createVectorStoreWithResponseAsync(BinaryData
      * }
      * }</pre>
      * 
-     * @param body Body parameter.
+     * @param vectorStoreOptions Request object for creating a vector store.
      * @param requestOptions The options to configure the HTTP request before HTTP client sends it.
      * @throws HttpResponseException thrown if the request is rejected by server.
      * @throws ClientAuthenticationException thrown if the request is rejected by server on status code 401.
@@ -4797,9 +4815,11 @@ public Mono<Response<BinaryData>> createVectorStoreWithResponseAsync(BinaryData
      * {@link Response}.
      */
     @ServiceMethod(returns = ReturnType.SINGLE)
-    public Response<BinaryData> createVectorStoreWithResponse(BinaryData body, RequestOptions requestOptions) {
+    public Response<BinaryData> createVectorStoreWithResponse(BinaryData vectorStoreOptions,
+        RequestOptions requestOptions) {
         final String accept = "application/json";
-        return service.createVectorStoreSync(this.getEndpoint(), accept, body, requestOptions, Context.NONE);
+        return service.createVectorStoreSync(this.getEndpoint(), accept, vectorStoreOptions, requestOptions,
+            Context.NONE);
     }
 
     /**
@@ -4943,7 +4963,7 @@ public Response<BinaryData> getVectorStoreWithResponse(String vectorStoreId, Req
      * }</pre>
      * 
      * @param vectorStoreId The ID of the vector store to modify.
-     * @param body Body parameter.
+     * @param vectorStoreUpdateOptions Request object for updating a vector store.
      * @param requestOptions The options to configure the HTTP request before HTTP client sends it.
      * @throws HttpResponseException thrown if the request is rejected by server.
      * @throws ClientAuthenticationException thrown if the request is rejected by server on status code 401.
@@ -4953,11 +4973,11 @@ public Response<BinaryData> getVectorStoreWithResponse(String vectorStoreId, Req
      * {@link Response} on successful completion of {@link Mono}.
      */
     @ServiceMethod(returns = ReturnType.SINGLE)
-    public Mono<Response<BinaryData>> modifyVectorStoreWithResponseAsync(String vectorStoreId, BinaryData body,
-        RequestOptions requestOptions) {
+    public Mono<Response<BinaryData>> modifyVectorStoreWithResponseAsync(String vectorStoreId,
+        BinaryData vectorStoreUpdateOptions, RequestOptions requestOptions) {
         final String accept = "application/json";
         return FluxUtil.withContext(context -> service.modifyVectorStore(this.getEndpoint(), vectorStoreId, accept,
-            body, requestOptions, context));
+            vectorStoreUpdateOptions, requestOptions, context));
     }
 
     /**
@@ -5007,7 +5027,7 @@ public Mono<Response<BinaryData>> modifyVectorStoreWithResponseAsync(String vect
      * }</pre>
      * 
      * @param vectorStoreId The ID of the vector store to modify.
-     * @param body Body parameter.
+     * @param vectorStoreUpdateOptions Request object for updating a vector store.
      * @param requestOptions The options to configure the HTTP request before HTTP client sends it.
      * @throws HttpResponseException thrown if the request is rejected by server.
      * @throws ClientAuthenticationException thrown if the request is rejected by server on status code 401.
@@ -5017,11 +5037,11 @@ public Mono<Response<BinaryData>> modifyVectorStoreWithResponseAsync(String vect
      * {@link Response}.
      */
     @ServiceMethod(returns = ReturnType.SINGLE)
-    public Response<BinaryData> modifyVectorStoreWithResponse(String vectorStoreId, BinaryData body,
+    public Response<BinaryData> modifyVectorStoreWithResponse(String vectorStoreId, BinaryData vectorStoreUpdateOptions,
         RequestOptions requestOptions) {
         final String accept = "application/json";
-        return service.modifyVectorStoreSync(this.getEndpoint(), vectorStoreId, accept, body, requestOptions,
-            Context.NONE);
+        return service.modifyVectorStoreSync(this.getEndpoint(), vectorStoreId, accept, vectorStoreUpdateOptions,
+            requestOptions, Context.NONE);
     }
 
     /**
diff --git a/sdk/openai/azure-ai-openai-assistants/tsp-location.yaml b/sdk/openai/azure-ai-openai-assistants/tsp-location.yaml
index 225fd4e27e02..22f00390250d 100644
--- a/sdk/openai/azure-ai-openai-assistants/tsp-location.yaml
+++ b/sdk/openai/azure-ai-openai-assistants/tsp-location.yaml
@@ -1,3 +1,4 @@
 directory: specification/ai/OpenAI.Assistants
-commit: df3cd3e3d50eec1d1da593750e1ea3a4db3f541d
+commit: 806117d1552766d1b5cfa763b24f22b1f5ccf666
 repo: Azure/azure-rest-api-specs
+additionalDirectories: