diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7c7f9851..d28235e2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,6 +14,7 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 ### Fixed
 - Fixed upcomming PHP 8.4 deprecations
 ### Updated APIs
+- Updated opensearch-php APIs to reflect [opensearch-api-specification@0733e62](https://github.com/opensearch-project/opensearch-api-specification/commit/0733e620ba6c8093fa9c6af46c1bfd0479e24e42)
 - Updated opensearch-php APIs to reflect [opensearch-api-specification@cb320b5](https://github.com/opensearch-project/opensearch-api-specification/commit/cb320b5482551c4f28afa26ff0d1653332699722)
 ### Security
 ### Dependencies
diff --git a/src/OpenSearch/Client.php b/src/OpenSearch/Client.php
index e679a65e..373d2db2 100644
--- a/src/OpenSearch/Client.php
+++ b/src/OpenSearch/Client.php
@@ -27,6 +27,7 @@
 use OpenSearch\Namespaces\NamespaceBuilderInterface;
 use OpenSearch\Namespaces\BooleanRequestWrapper;
 use OpenSearch\Namespaces\AsyncSearchNamespace;
+use OpenSearch\Namespaces\AsynchronousSearchNamespace;
 use OpenSearch\Namespaces\CatNamespace;
 use OpenSearch\Namespaces\ClusterNamespace;
 use OpenSearch\Namespaces\DanglingIndicesNamespace;
@@ -86,6 +87,11 @@ class Client
      */
     protected $asyncSearch;
 
+    /**
+     * @var AsynchronousSearchNamespace
+     */
+    protected $asynchronousSearch;
+
     /**
      * @var CatNamespace
      */
@@ -219,6 +225,7 @@ public function __construct(Transport $transport, callable $endpoint, array $reg
         $this->transport = $transport;
         $this->endpoints = $endpoint;
         $this->asyncSearch = new AsyncSearchNamespace($transport, $endpoint);
+        $this->asynchronousSearch = new AsynchronousSearchNamespace($transport, $endpoint);
         $this->cat = new CatNamespace($transport, $endpoint);
         $this->cluster = new ClusterNamespace($transport, $endpoint);
         $this->danglingIndices = new DanglingIndicesNamespace($transport, $endpoint);
@@ -1680,6 +1687,13 @@ public function asyncSearch(): AsyncSearchNamespace
     {
         return $this->asyncSearch;
     }
+    /**
+     * Returns the asynchronousSearch namespace
+     */
+    public function asynchronousSearch(): AsynchronousSearchNamespace
+    {
+        return $this->asynchronousSearch;
+    }
     /**
      * Returns the cat namespace
      */
diff --git a/src/OpenSearch/Endpoints/AsynchronousSearch/Delete.php b/src/OpenSearch/Endpoints/AsynchronousSearch/Delete.php
new file mode 100644
index 00000000..fe63dc31
--- /dev/null
+++ b/src/OpenSearch/Endpoints/AsynchronousSearch/Delete.php
@@ -0,0 +1,52 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * The OpenSearch Contributors require contributions made to
+ * this file be licensed under the Apache-2.0 license or a
+ * compatible open source license.
+ *
+ * Modifications Copyright OpenSearch Contributors. See
+ * GitHub history for details.
+ */
+
+namespace OpenSearch\Endpoints\AsynchronousSearch;
+
+use OpenSearch\Common\Exceptions\RuntimeException;
+use OpenSearch\Endpoints\AbstractEndpoint;
+
+/**
+ * NOTE: This file is autogenerated using util/GenerateEndpoints.php
+ */
+class Delete extends AbstractEndpoint
+{
+    public function getURI(): string
+    {
+        if (isset($this->id) !== true) {
+            throw new RuntimeException(
+                'id is required for delete'
+            );
+        }
+        $id = $this->id;
+        return "/_plugins/_asynchronous_search/$id";
+    }
+
+    public function getParamWhitelist(): array
+    {
+        return [
+            'pretty',
+            'human',
+            'error_trace',
+            'source',
+            'filter_path'
+        ];
+    }
+
+    public function getMethod(): string
+    {
+        return 'DELETE';
+    }
+}
diff --git a/src/OpenSearch/Endpoints/AsynchronousSearch/Get.php b/src/OpenSearch/Endpoints/AsynchronousSearch/Get.php
new file mode 100644
index 00000000..6caa77b1
--- /dev/null
+++ b/src/OpenSearch/Endpoints/AsynchronousSearch/Get.php
@@ -0,0 +1,52 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * The OpenSearch Contributors require contributions made to
+ * this file be licensed under the Apache-2.0 license or a
+ * compatible open source license.
+ *
+ * Modifications Copyright OpenSearch Contributors. See
+ * GitHub history for details.
+ */
+
+namespace OpenSearch\Endpoints\AsynchronousSearch;
+
+use OpenSearch\Common\Exceptions\RuntimeException;
+use OpenSearch\Endpoints\AbstractEndpoint;
+
+/**
+ * NOTE: This file is autogenerated using util/GenerateEndpoints.php
+ */
+class Get extends AbstractEndpoint
+{
+    public function getURI(): string
+    {
+        if (isset($this->id) !== true) {
+            throw new RuntimeException(
+                'id is required for get'
+            );
+        }
+        $id = $this->id;
+        return "/_plugins/_asynchronous_search/$id";
+    }
+
+    public function getParamWhitelist(): array
+    {
+        return [
+            'pretty',
+            'human',
+            'error_trace',
+            'source',
+            'filter_path'
+        ];
+    }
+
+    public function getMethod(): string
+    {
+        return 'GET';
+    }
+}
diff --git a/src/OpenSearch/Endpoints/AsynchronousSearch/Search.php b/src/OpenSearch/Endpoints/AsynchronousSearch/Search.php
new file mode 100644
index 00000000..1bdd1757
--- /dev/null
+++ b/src/OpenSearch/Endpoints/AsynchronousSearch/Search.php
@@ -0,0 +1,59 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * The OpenSearch Contributors require contributions made to
+ * this file be licensed under the Apache-2.0 license or a
+ * compatible open source license.
+ *
+ * Modifications Copyright OpenSearch Contributors. See
+ * GitHub history for details.
+ */
+
+namespace OpenSearch\Endpoints\AsynchronousSearch;
+
+use OpenSearch\Endpoints\AbstractEndpoint;
+
+/**
+ * NOTE: This file is autogenerated using util/GenerateEndpoints.php
+ */
+class Search extends AbstractEndpoint
+{
+    public function getURI(): string
+    {
+        return "/_plugins/_asynchronous_search";
+    }
+
+    public function getParamWhitelist(): array
+    {
+        return [
+            'index',
+            'keep_alive',
+            'keep_on_completion',
+            'wait_for_completion_timeout',
+            'pretty',
+            'human',
+            'error_trace',
+            'source',
+            'filter_path'
+        ];
+    }
+
+    public function getMethod(): string
+    {
+        return 'POST';
+    }
+
+    public function setBody($body): Search
+    {
+        if (isset($body) !== true) {
+            return $this;
+        }
+        $this->body = $body;
+
+        return $this;
+    }
+}
diff --git a/src/OpenSearch/Endpoints/AsynchronousSearch/Stats.php b/src/OpenSearch/Endpoints/AsynchronousSearch/Stats.php
new file mode 100644
index 00000000..8b68cb39
--- /dev/null
+++ b/src/OpenSearch/Endpoints/AsynchronousSearch/Stats.php
@@ -0,0 +1,45 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * The OpenSearch Contributors require contributions made to
+ * this file be licensed under the Apache-2.0 license or a
+ * compatible open source license.
+ *
+ * Modifications Copyright OpenSearch Contributors. See
+ * GitHub history for details.
+ */
+
+namespace OpenSearch\Endpoints\AsynchronousSearch;
+
+use OpenSearch\Endpoints\AbstractEndpoint;
+
+/**
+ * NOTE: This file is autogenerated using util/GenerateEndpoints.php
+ */
+class Stats extends AbstractEndpoint
+{
+    public function getURI(): string
+    {
+        return "/_plugins/_asynchronous_search/stats";
+    }
+
+    public function getParamWhitelist(): array
+    {
+        return [
+            'pretty',
+            'human',
+            'error_trace',
+            'source',
+            'filter_path'
+        ];
+    }
+
+    public function getMethod(): string
+    {
+        return 'GET';
+    }
+}
diff --git a/src/OpenSearch/Endpoints/Cluster/DeleteWeightedRouting.php b/src/OpenSearch/Endpoints/Cluster/DeleteWeightedRouting.php
index d63d9751..ab253fcf 100644
--- a/src/OpenSearch/Endpoints/Cluster/DeleteWeightedRouting.php
+++ b/src/OpenSearch/Endpoints/Cluster/DeleteWeightedRouting.php
@@ -42,4 +42,14 @@ public function getMethod(): string
     {
         return 'DELETE';
     }
+
+    public function setBody($body): DeleteWeightedRouting
+    {
+        if (isset($body) !== true) {
+            return $this;
+        }
+        $this->body = $body;
+
+        return $this;
+    }
 }
diff --git a/src/OpenSearch/Endpoints/Cluster/PutWeightedRouting.php b/src/OpenSearch/Endpoints/Cluster/PutWeightedRouting.php
index 3a35b555..2cb8eb3c 100644
--- a/src/OpenSearch/Endpoints/Cluster/PutWeightedRouting.php
+++ b/src/OpenSearch/Endpoints/Cluster/PutWeightedRouting.php
@@ -50,6 +50,16 @@ public function getMethod(): string
         return 'PUT';
     }
 
+    public function setBody($body): PutWeightedRouting
+    {
+        if (isset($body) !== true) {
+            return $this;
+        }
+        $this->body = $body;
+
+        return $this;
+    }
+
     public function setAttribute($attribute): PutWeightedRouting
     {
         if (isset($attribute) !== true) {
diff --git a/src/OpenSearch/Endpoints/Ml/DeleteTask.php b/src/OpenSearch/Endpoints/Ml/DeleteTask.php
new file mode 100644
index 00000000..6a2a3036
--- /dev/null
+++ b/src/OpenSearch/Endpoints/Ml/DeleteTask.php
@@ -0,0 +1,62 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * The OpenSearch Contributors require contributions made to
+ * this file be licensed under the Apache-2.0 license or a
+ * compatible open source license.
+ *
+ * Modifications Copyright OpenSearch Contributors. See
+ * GitHub history for details.
+ */
+
+namespace OpenSearch\Endpoints\Ml;
+
+use OpenSearch\Common\Exceptions\RuntimeException;
+use OpenSearch\Endpoints\AbstractEndpoint;
+
+/**
+ * NOTE: This file is autogenerated using util/GenerateEndpoints.php
+ */
+class DeleteTask extends AbstractEndpoint
+{
+    protected $task_id;
+
+    public function getURI(): string
+    {
+        $task_id = $this->task_id ?? null;
+        if (isset($task_id)) {
+            return "/_plugins/_ml/tasks/$task_id";
+        }
+        throw new RuntimeException('Missing parameter for the endpoint ml.delete_task');
+    }
+
+    public function getParamWhitelist(): array
+    {
+        return [
+            'pretty',
+            'human',
+            'error_trace',
+            'source',
+            'filter_path'
+        ];
+    }
+
+    public function getMethod(): string
+    {
+        return 'DELETE';
+    }
+
+    public function setTaskId($task_id): DeleteTask
+    {
+        if (isset($task_id) !== true) {
+            return $this;
+        }
+        $this->task_id = $task_id;
+
+        return $this;
+    }
+}
diff --git a/src/OpenSearch/Endpoints/Ml/DeployModel.php b/src/OpenSearch/Endpoints/Ml/DeployModel.php
index ba181822..0d9cf4cb 100644
--- a/src/OpenSearch/Endpoints/Ml/DeployModel.php
+++ b/src/OpenSearch/Endpoints/Ml/DeployModel.php
@@ -16,36 +16,45 @@
 use OpenSearch\Common\Exceptions\RuntimeException;
 use OpenSearch\Endpoints\AbstractEndpoint;
 
+/**
+ * NOTE: This file is autogenerated using util/GenerateEndpoints.php
+ */
 class DeployModel extends AbstractEndpoint
 {
-    /**
-     * @return string[]
-     */
-    public function getParamWhitelist(): array
-    {
-        return [];
-    }
+    protected $model_id;
 
-    /**
-     * @return string
-     */
     public function getURI(): string
     {
-        if ($this->id) {
-            return "/_plugins/_ml/models/$this->id/_deploy";
+        $model_id = $this->model_id ?? null;
+        if (isset($model_id)) {
+            return "/_plugins/_ml/models/$model_id/_deploy";
         }
+        throw new RuntimeException('Missing parameter for the endpoint ml.deploy_model');
+    }
 
-        throw new RuntimeException(
-            'id is required for deploy'
-        );
-
+    public function getParamWhitelist(): array
+    {
+        return [
+            'pretty',
+            'human',
+            'error_trace',
+            'source',
+            'filter_path'
+        ];
     }
 
-    /**
-     * @return string
-     */
     public function getMethod(): string
     {
         return 'POST';
     }
+
+    public function setModelId($model_id): DeployModel
+    {
+        if (isset($model_id) !== true) {
+            return $this;
+        }
+        $this->model_id = $model_id;
+
+        return $this;
+    }
 }
diff --git a/src/OpenSearch/Endpoints/Ml/UndeployModel.php b/src/OpenSearch/Endpoints/Ml/UndeployModel.php
index 1b9dd7fd..2dd63058 100644
--- a/src/OpenSearch/Endpoints/Ml/UndeployModel.php
+++ b/src/OpenSearch/Endpoints/Ml/UndeployModel.php
@@ -16,36 +16,45 @@
 use OpenSearch\Common\Exceptions\RuntimeException;
 use OpenSearch\Endpoints\AbstractEndpoint;
 
+/**
+ * NOTE: This file is autogenerated using util/GenerateEndpoints.php
+ */
 class UndeployModel extends AbstractEndpoint
 {
-    /**
-     * @return string[]
-     */
-    public function getParamWhitelist(): array
-    {
-        return [];
-    }
+    protected $model_id;
 
-    /**
-     * @return string
-     */
     public function getURI(): string
     {
-        if ($this->id) {
-            return "/_plugins/_ml/models/$this->id/_undeploy";
+        $model_id = $this->model_id ?? null;
+        if (isset($model_id)) {
+            return "/_plugins/_ml/models/$model_id/_undeploy";
         }
+        throw new RuntimeException('Missing parameter for the endpoint ml.undeploy_model');
+    }
 
-        throw new RuntimeException(
-            'id is required for undeploy'
-        );
-
+    public function getParamWhitelist(): array
+    {
+        return [
+            'pretty',
+            'human',
+            'error_trace',
+            'source',
+            'filter_path'
+        ];
     }
 
-    /**
-     * @return string
-     */
     public function getMethod(): string
     {
         return 'POST';
     }
+
+    public function setModelId($model_id): UndeployModel
+    {
+        if (isset($model_id) !== true) {
+            return $this;
+        }
+        $this->model_id = $model_id;
+
+        return $this;
+    }
 }
diff --git a/src/OpenSearch/Endpoints/Security/ConfigUpgradeCheck.php b/src/OpenSearch/Endpoints/Security/ConfigUpgradeCheck.php
index 7f105c3d..217d9978 100644
--- a/src/OpenSearch/Endpoints/Security/ConfigUpgradeCheck.php
+++ b/src/OpenSearch/Endpoints/Security/ConfigUpgradeCheck.php
@@ -24,7 +24,7 @@ class ConfigUpgradeCheck extends AbstractEndpoint
 {
     public function getURI(): string
     {
-        return "/_plugins/_security/_upgrade_check";
+        return "/_plugins/_security/api/_upgrade_check";
     }
 
     public function getParamWhitelist(): array
diff --git a/src/OpenSearch/Endpoints/Security/ConfigUpgradePerform.php b/src/OpenSearch/Endpoints/Security/ConfigUpgradePerform.php
index 25425359..ad049f47 100644
--- a/src/OpenSearch/Endpoints/Security/ConfigUpgradePerform.php
+++ b/src/OpenSearch/Endpoints/Security/ConfigUpgradePerform.php
@@ -24,7 +24,7 @@ class ConfigUpgradePerform extends AbstractEndpoint
 {
     public function getURI(): string
     {
-        return "/_plugins/_security/_upgrade_perform";
+        return "/_plugins/_security/api/_upgrade_perform";
     }
 
     public function getParamWhitelist(): array
diff --git a/src/OpenSearch/Endpoints/Security/GetAllCertificates.php b/src/OpenSearch/Endpoints/Security/GetAllCertificates.php
new file mode 100644
index 00000000..06b5fd43
--- /dev/null
+++ b/src/OpenSearch/Endpoints/Security/GetAllCertificates.php
@@ -0,0 +1,47 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * The OpenSearch Contributors require contributions made to
+ * this file be licensed under the Apache-2.0 license or a
+ * compatible open source license.
+ *
+ * Modifications Copyright OpenSearch Contributors. See
+ * GitHub history for details.
+ */
+
+namespace OpenSearch\Endpoints\Security;
+
+use OpenSearch\Endpoints\AbstractEndpoint;
+
+/**
+ * NOTE: This file is autogenerated using util/GenerateEndpoints.php
+ */
+class GetAllCertificates extends AbstractEndpoint
+{
+    public function getURI(): string
+    {
+        return "/_plugins/_security/api/certificates";
+    }
+
+    public function getParamWhitelist(): array
+    {
+        return [
+            'cert_type',
+            'timeout',
+            'pretty',
+            'human',
+            'error_trace',
+            'source',
+            'filter_path'
+        ];
+    }
+
+    public function getMethod(): string
+    {
+        return 'GET';
+    }
+}
diff --git a/src/OpenSearch/Endpoints/Security/GetNodeCertificates.php b/src/OpenSearch/Endpoints/Security/GetNodeCertificates.php
new file mode 100644
index 00000000..7d66df31
--- /dev/null
+++ b/src/OpenSearch/Endpoints/Security/GetNodeCertificates.php
@@ -0,0 +1,64 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * The OpenSearch Contributors require contributions made to
+ * this file be licensed under the Apache-2.0 license or a
+ * compatible open source license.
+ *
+ * Modifications Copyright OpenSearch Contributors. See
+ * GitHub history for details.
+ */
+
+namespace OpenSearch\Endpoints\Security;
+
+use OpenSearch\Common\Exceptions\RuntimeException;
+use OpenSearch\Endpoints\AbstractEndpoint;
+
+/**
+ * NOTE: This file is autogenerated using util/GenerateEndpoints.php
+ */
+class GetNodeCertificates extends AbstractEndpoint
+{
+    protected $node_id;
+
+    public function getURI(): string
+    {
+        $node_id = $this->node_id ?? null;
+        if (isset($node_id)) {
+            return "/_plugins/_security/api/certificates/$node_id";
+        }
+        throw new RuntimeException('Missing parameter for the endpoint security.get_node_certificates');
+    }
+
+    public function getParamWhitelist(): array
+    {
+        return [
+            'cert_type',
+            'timeout',
+            'pretty',
+            'human',
+            'error_trace',
+            'source',
+            'filter_path'
+        ];
+    }
+
+    public function getMethod(): string
+    {
+        return 'GET';
+    }
+
+    public function setNodeId($node_id): GetNodeCertificates
+    {
+        if (isset($node_id) !== true) {
+            return $this;
+        }
+        $this->node_id = $node_id;
+
+        return $this;
+    }
+}
diff --git a/src/OpenSearch/Endpoints/Security/PostDashboardsInfo.php b/src/OpenSearch/Endpoints/Security/PostDashboardsInfo.php
index 75bff211..87fff406 100644
--- a/src/OpenSearch/Endpoints/Security/PostDashboardsInfo.php
+++ b/src/OpenSearch/Endpoints/Security/PostDashboardsInfo.php
@@ -42,14 +42,4 @@ public function getMethod(): string
     {
         return 'POST';
     }
-
-    public function setBody($body): PostDashboardsInfo
-    {
-        if (isset($body) !== true) {
-            return $this;
-        }
-        $this->body = $body;
-
-        return $this;
-    }
 }
diff --git a/src/OpenSearch/Namespaces/AsynchronousSearchNamespace.php b/src/OpenSearch/Namespaces/AsynchronousSearchNamespace.php
new file mode 100644
index 00000000..b485fccd
--- /dev/null
+++ b/src/OpenSearch/Namespaces/AsynchronousSearchNamespace.php
@@ -0,0 +1,122 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * The OpenSearch Contributors require contributions made to
+ * this file be licensed under the Apache-2.0 license or a
+ * compatible open source license.
+ *
+ * Modifications Copyright OpenSearch Contributors. See
+ * GitHub history for details.
+ */
+
+namespace OpenSearch\Namespaces;
+
+use OpenSearch\Namespaces\AbstractNamespace;
+
+/**
+ * Class AsynchronousSearchNamespace
+ *
+ * NOTE: This file is autogenerated using util/GenerateEndpoints.php
+ */
+class AsynchronousSearchNamespace extends AbstractNamespace
+{
+    /**
+     * Delete asynchronous search.
+     *
+     * $params['id']          = (string)  (Required)
+     * $params['pretty']      = (boolean) Whether to pretty format the returned JSON response.
+     * $params['human']       = (boolean) Whether to return human readable values for statistics.
+     * $params['error_trace'] = (boolean) Whether to include the stack trace of returned errors.
+     * $params['source']      = (string) The URL-encoded request definition. Useful for libraries that do not accept a request body for non-POST requests.
+     * $params['filter_path'] = (any) Comma-separated list of filters used to reduce the response.
+     *
+     * @param array $params Associative array of parameters
+     * @return array
+     */
+    public function delete(array $params = [])
+    {
+        $id = $this->extractArgument($params, 'id');
+
+        $endpointBuilder = $this->endpoints;
+        $endpoint = $endpointBuilder('AsynchronousSearch\Delete');
+        $endpoint->setParams($params);
+        $endpoint->setId($id);
+
+        return $this->performRequest($endpoint);
+    }
+    /**
+     * Get partial responses from asynchronous search.
+     *
+     * $params['id']          = (string)  (Required)
+     * $params['pretty']      = (boolean) Whether to pretty format the returned JSON response.
+     * $params['human']       = (boolean) Whether to return human readable values for statistics.
+     * $params['error_trace'] = (boolean) Whether to include the stack trace of returned errors.
+     * $params['source']      = (string) The URL-encoded request definition. Useful for libraries that do not accept a request body for non-POST requests.
+     * $params['filter_path'] = (any) Comma-separated list of filters used to reduce the response.
+     *
+     * @param array $params Associative array of parameters
+     * @return array
+     */
+    public function get(array $params = [])
+    {
+        $id = $this->extractArgument($params, 'id');
+
+        $endpointBuilder = $this->endpoints;
+        $endpoint = $endpointBuilder('AsynchronousSearch\Get');
+        $endpoint->setParams($params);
+        $endpoint->setId($id);
+
+        return $this->performRequest($endpoint);
+    }
+    /**
+     * Perform an asynchronous search.
+     *
+     * $params['index']                       = (string) The name of the index to be searched.
+     * $params['keep_alive']                  = (string) The amount of time that the result is saved in the cluster.
+     * $params['keep_on_completion']          = (boolean) Whether you want to save the results in the cluster after the search is complete.
+     * $params['wait_for_completion_timeout'] = (string) The amount of time that you plan to wait for the results.
+     * $params['pretty']                      = (boolean) Whether to pretty format the returned JSON response.
+     * $params['human']                       = (boolean) Whether to return human readable values for statistics.
+     * $params['error_trace']                 = (boolean) Whether to include the stack trace of returned errors.
+     * $params['source']                      = (string) The URL-encoded request definition. Useful for libraries that do not accept a request body for non-POST requests.
+     * $params['filter_path']                 = (any) Comma-separated list of filters used to reduce the response.
+     *
+     * @param array $params Associative array of parameters
+     * @return array
+     */
+    public function search(array $params = [])
+    {
+        $body = $this->extractArgument($params, 'body');
+
+        $endpointBuilder = $this->endpoints;
+        $endpoint = $endpointBuilder('AsynchronousSearch\Search');
+        $endpoint->setParams($params);
+        $endpoint->setBody($body);
+
+        return $this->performRequest($endpoint);
+    }
+    /**
+     * Monitoring of asynchronous searches that are running, completed, and/or persisted.
+     *
+     * $params['pretty']      = (boolean) Whether to pretty format the returned JSON response.
+     * $params['human']       = (boolean) Whether to return human readable values for statistics.
+     * $params['error_trace'] = (boolean) Whether to include the stack trace of returned errors.
+     * $params['source']      = (string) The URL-encoded request definition. Useful for libraries that do not accept a request body for non-POST requests.
+     * $params['filter_path'] = (any) Comma-separated list of filters used to reduce the response.
+     *
+     * @param array $params Associative array of parameters
+     * @return array
+     */
+    public function stats(array $params = [])
+    {
+        $endpointBuilder = $this->endpoints;
+        $endpoint = $endpointBuilder('AsynchronousSearch\Stats');
+        $endpoint->setParams($params);
+
+        return $this->performRequest($endpoint);
+    }
+}
diff --git a/src/OpenSearch/Namespaces/ClusterNamespace.php b/src/OpenSearch/Namespaces/ClusterNamespace.php
index dbe85126..0efea982 100644
--- a/src/OpenSearch/Namespaces/ClusterNamespace.php
+++ b/src/OpenSearch/Namespaces/ClusterNamespace.php
@@ -138,9 +138,12 @@ public function deleteVotingConfigExclusions(array $params = [])
      */
     public function deleteWeightedRouting(array $params = [])
     {
+        $body = $this->extractArgument($params, 'body');
+
         $endpointBuilder = $this->endpoints;
         $endpoint = $endpointBuilder('Cluster\DeleteWeightedRouting');
         $endpoint->setParams($params);
+        $endpoint->setBody($body);
 
         return $this->performRequest($endpoint);
     }
@@ -459,11 +462,13 @@ public function putSettings(array $params = [])
     public function putWeightedRouting(array $params = [])
     {
         $attribute = $this->extractArgument($params, 'attribute');
+        $body = $this->extractArgument($params, 'body');
 
         $endpointBuilder = $this->endpoints;
         $endpoint = $endpointBuilder('Cluster\PutWeightedRouting');
         $endpoint->setParams($params);
         $endpoint->setAttribute($attribute);
+        $endpoint->setBody($body);
 
         return $this->performRequest($endpoint);
     }
diff --git a/src/OpenSearch/Namespaces/MlNamespace.php b/src/OpenSearch/Namespaces/MlNamespace.php
index c89c35e8..1a566b98 100644
--- a/src/OpenSearch/Namespaces/MlNamespace.php
+++ b/src/OpenSearch/Namespaces/MlNamespace.php
@@ -72,6 +72,30 @@ public function deleteModelGroup(array $params = [])
 
         return $this->performRequest($endpoint);
     }
+    /**
+     * Deletes a task.
+     *
+     * $params['task_id']     = (string)
+     * $params['pretty']      = (boolean) Whether to pretty format the returned JSON response.
+     * $params['human']       = (boolean) Whether to return human readable values for statistics.
+     * $params['error_trace'] = (boolean) Whether to include the stack trace of returned errors.
+     * $params['source']      = (string) The URL-encoded request definition. Useful for libraries that do not accept a request body for non-POST requests.
+     * $params['filter_path'] = (any) Comma-separated list of filters used to reduce the response.
+     *
+     * @param array $params Associative array of parameters
+     * @return array
+     */
+    public function deleteTask(array $params = [])
+    {
+        $task_id = $this->extractArgument($params, 'task_id');
+
+        $endpointBuilder = $this->endpoints;
+        $endpoint = $endpointBuilder('Ml\DeleteTask');
+        $endpoint->setParams($params);
+        $endpoint->setTaskId($task_id);
+
+        return $this->performRequest($endpoint);
+    }
     /**
      * Retrieves a model group.
      *
diff --git a/src/OpenSearch/Namespaces/SecurityNamespace.php b/src/OpenSearch/Namespaces/SecurityNamespace.php
index bf7a5937..a804ce9b 100644
--- a/src/OpenSearch/Namespaces/SecurityNamespace.php
+++ b/src/OpenSearch/Namespaces/SecurityNamespace.php
@@ -178,7 +178,7 @@ public function createUpdateTenancyConfig(array $params = [])
     /**
      * Creates or replaces the specified user. Legacy API.
      *
-     * $params['username']    = (string)  (Required)
+     * $params['username']    = (string) The name of the user to be created. (Required)
      * $params['pretty']      = (boolean) Whether to pretty format the returned JSON response.
      * $params['human']       = (boolean) Whether to return human readable values for statistics.
      * $params['error_trace'] = (boolean) Whether to include the stack trace of returned errors.
@@ -204,7 +204,7 @@ public function createUserLegacy(array $params = [])
     /**
      * Delete a specified action group.
      *
-     * $params['action_group'] = (string) Action group to delete. (Required)
+     * $params['action_group'] = (string) The name of the action group to delete. (Required)
      * $params['pretty']       = (boolean) Whether to pretty format the returned JSON response.
      * $params['human']        = (boolean) Whether to return human readable values for statistics.
      * $params['error_trace']  = (boolean) Whether to include the stack trace of returned errors.
@@ -228,7 +228,7 @@ public function deleteActionGroup(array $params = [])
     /**
      * Deletes all distinguished names in the specified cluster or node allow list. Only accessible to super-admins and with rest-api permissions when enabled.
      *
-     * $params['cluster_name'] = (string)  (Required)
+     * $params['cluster_name'] = (string) The cluster-name to delete from list of distinguished names. (Required)
      * $params['pretty']       = (boolean) Whether to pretty format the returned JSON response.
      * $params['human']        = (boolean) Whether to return human readable values for statistics.
      * $params['error_trace']  = (boolean) Whether to include the stack trace of returned errors.
@@ -252,7 +252,7 @@ public function deleteDistinguishedName(array $params = [])
     /**
      * Delete the specified role.
      *
-     * $params['role']        = (string)  (Required)
+     * $params['role']        = (string) The name of the role to delete. (Required)
      * $params['pretty']      = (boolean) Whether to pretty format the returned JSON response.
      * $params['human']       = (boolean) Whether to return human readable values for statistics.
      * $params['error_trace'] = (boolean) Whether to include the stack trace of returned errors.
@@ -276,7 +276,7 @@ public function deleteRole(array $params = [])
     /**
      * Deletes the specified role mapping.
      *
-     * $params['role']        = (string)  (Required)
+     * $params['role']        = (string) The name of the role whose mapping needs to delete. (Required)
      * $params['pretty']      = (boolean) Whether to pretty format the returned JSON response.
      * $params['human']       = (boolean) Whether to return human readable values for statistics.
      * $params['error_trace'] = (boolean) Whether to include the stack trace of returned errors.
@@ -300,7 +300,7 @@ public function deleteRoleMapping(array $params = [])
     /**
      * Delete the specified tenant.
      *
-     * $params['tenant']      = (string)  (Required)
+     * $params['tenant']      = (string) The name of the tenant to delete. (Required)
      * $params['pretty']      = (boolean) Whether to pretty format the returned JSON response.
      * $params['human']       = (boolean) Whether to return human readable values for statistics.
      * $params['error_trace'] = (boolean) Whether to include the stack trace of returned errors.
@@ -324,7 +324,7 @@ public function deleteTenant(array $params = [])
     /**
      * Delete the specified user.
      *
-     * $params['username']    = (string)  (Required)
+     * $params['username']    = (string) The name of the user to delete. (Required)
      * $params['pretty']      = (boolean) Whether to pretty format the returned JSON response.
      * $params['human']       = (boolean) Whether to return human readable values for statistics.
      * $params['error_trace'] = (boolean) Whether to include the stack trace of returned errors.
@@ -348,7 +348,7 @@ public function deleteUser(array $params = [])
     /**
      * Delete the specified user. Legacy API.
      *
-     * $params['username']    = (string)  (Required)
+     * $params['username']    = (string) The name of the user to delete. (Required)
      * $params['pretty']      = (boolean) Whether to pretty format the returned JSON response.
      * $params['human']       = (boolean) Whether to return human readable values for statistics.
      * $params['error_trace'] = (boolean) Whether to include the stack trace of returned errors.
@@ -415,7 +415,7 @@ public function generateOboToken(array $params = [])
     /**
      * Generates authorization token for the given user.
      *
-     * $params['username']    = (string)  (Required)
+     * $params['username']    = (string) The name of the user for whom an auth token is to be vended. (Required)
      * $params['pretty']      = (boolean) Whether to pretty format the returned JSON response.
      * $params['human']       = (boolean) Whether to return human readable values for statistics.
      * $params['error_trace'] = (boolean) Whether to include the stack trace of returned errors.
@@ -437,9 +437,9 @@ public function generateUserToken(array $params = [])
         return $this->performRequest($endpoint);
     }
     /**
-     * Generates authorization token for the given user. Legacy API.
+     * Generates authorization token for the given user. Legacy API.  Not Implemented.
      *
-     * $params['username']    = (string)  (Required)
+     * $params['username']    = (string) The name of the user for whom an auth token is to be vended. (Required)
      * $params['pretty']      = (boolean) Whether to pretty format the returned JSON response.
      * $params['human']       = (boolean) Whether to return human readable values for statistics.
      * $params['error_trace'] = (boolean) Whether to include the stack trace of returned errors.
@@ -483,7 +483,7 @@ public function getAccountDetails(array $params = [])
     /**
      * Retrieves one action group.
      *
-     * $params['action_group'] = (string) Action group to retrieve. (Required)
+     * $params['action_group'] = (string) The name of the action group to retrieve. (Required)
      * $params['pretty']       = (boolean) Whether to pretty format the returned JSON response.
      * $params['human']        = (boolean) Whether to return human readable values for statistics.
      * $params['error_trace']  = (boolean) Whether to include the stack trace of returned errors.
@@ -504,6 +504,28 @@ public function getActionGroup(array $params = [])
 
         return $this->performRequest($endpoint);
     }
+    /**
+     * Retrieves the cluster security certificates.
+     *
+     * $params['cert_type']   = (string) The type of certificates (HTTP, TRANSPORT, ALL) to retrieve from all nodes.
+     * $params['timeout']     = (string) The maximum duration, in seconds, to be spent to retrieve certificates from all nodes.
+     * $params['pretty']      = (boolean) Whether to pretty format the returned JSON response.
+     * $params['human']       = (boolean) Whether to return human readable values for statistics.
+     * $params['error_trace'] = (boolean) Whether to include the stack trace of returned errors.
+     * $params['source']      = (string) The URL-encoded request definition. Useful for libraries that do not accept a request body for non-POST requests.
+     * $params['filter_path'] = (any) Comma-separated list of filters used to reduce the response.
+     *
+     * @param array $params Associative array of parameters
+     * @return array
+     */
+    public function getAllCertificates(array $params = [])
+    {
+        $endpointBuilder = $this->endpoints;
+        $endpoint = $endpointBuilder('Security\GetAllCertificates');
+        $endpoint->setParams($params);
+
+        return $this->performRequest($endpoint);
+    }
     /**
      * Retrieves the current list of allowed API accessible to normal user.
      *
@@ -607,8 +629,8 @@ public function getDashboardsInfo(array $params = [])
     /**
      * Retrieves distinguished names. Only accessible to super-admins and with rest-api permissions when enabled.
      *
-     * $params['cluster_name'] = (string)  (Required)
-     * $params['show_all']     = (boolean)
+     * $params['cluster_name'] = (string) The cluster-name to retrieve nodes DN setting for. (Required)
+     * $params['show_all']     = (boolean) A boolean flag to include/exclude static nodes DN from final result.
      * $params['pretty']       = (boolean) Whether to pretty format the returned JSON response.
      * $params['human']        = (boolean) Whether to return human readable values for statistics.
      * $params['error_trace']  = (boolean) Whether to include the stack trace of returned errors.
@@ -629,6 +651,32 @@ public function getDistinguishedName(array $params = [])
 
         return $this->performRequest($endpoint);
     }
+    /**
+     * Retrieves the given node's security certificates.
+     *
+     * $params['node_id']     = (string) The full-id of the node to retrieve certificates.
+     * $params['cert_type']   = (string) The type of certificates (HTTP, TRANSPORT, ALL) to retrieve for a node.
+     * $params['timeout']     = (string) The maximum duration, in seconds, to be spent to retrieve a node's certificates.
+     * $params['pretty']      = (boolean) Whether to pretty format the returned JSON response.
+     * $params['human']       = (boolean) Whether to return human readable values for statistics.
+     * $params['error_trace'] = (boolean) Whether to include the stack trace of returned errors.
+     * $params['source']      = (string) The URL-encoded request definition. Useful for libraries that do not accept a request body for non-POST requests.
+     * $params['filter_path'] = (any) Comma-separated list of filters used to reduce the response.
+     *
+     * @param array $params Associative array of parameters
+     * @return array
+     */
+    public function getNodeCertificates(array $params = [])
+    {
+        $node_id = $this->extractArgument($params, 'node_id');
+
+        $endpointBuilder = $this->endpoints;
+        $endpoint = $endpointBuilder('Security\GetNodeCertificates');
+        $endpoint->setParams($params);
+        $endpoint->setNodeId($node_id);
+
+        return $this->performRequest($endpoint);
+    }
     /**
      * Gets the evaluated REST API permissions for the currently logged in user.
      *
@@ -700,7 +748,7 @@ public function getRoleMapping(array $params = [])
     /**
      * Retrieves the SSL configuration information.
      *
-     * $params['show_dn']     = (string) The domain names from all certificates.
+     * $params['show_dn']     = (Array) A boolean flag to indicate whether all domain names should be returned.
      * $params['pretty']      = (boolean) Whether to pretty format the returned JSON response.
      * $params['human']       = (boolean) Whether to return human readable values for statistics.
      * $params['error_trace'] = (boolean) Whether to include the stack trace of returned errors.
@@ -741,7 +789,7 @@ public function getTenancyConfig(array $params = [])
     /**
      * Retrieves one tenant.
      *
-     * $params['tenant']      = (string)  (Required)
+     * $params['tenant']      = (string) The name of the tenant to retrieve. (Required)
      * $params['pretty']      = (boolean) Whether to pretty format the returned JSON response.
      * $params['human']       = (boolean) Whether to return human readable values for statistics.
      * $params['error_trace'] = (boolean) Whether to include the stack trace of returned errors.
@@ -765,7 +813,7 @@ public function getTenant(array $params = [])
     /**
      * Retrieve one internal user.
      *
-     * $params['username']    = (string)  (Required)
+     * $params['username']    = (string) The name of the user to retrieve. (Required)
      * $params['pretty']      = (boolean) Whether to pretty format the returned JSON response.
      * $params['human']       = (boolean) Whether to return human readable values for statistics.
      * $params['error_trace'] = (boolean) Whether to include the stack trace of returned errors.
@@ -789,7 +837,7 @@ public function getUser(array $params = [])
     /**
      * Retrieve one user. Legacy API.
      *
-     * $params['username']    = (string)  (Required)
+     * $params['username']    = (string) The name of the user to retrieve. (Required)
      * $params['pretty']      = (boolean) Whether to pretty format the returned JSON response.
      * $params['human']       = (boolean) Whether to return human readable values for statistics.
      * $params['error_trace'] = (boolean) Whether to include the stack trace of returned errors.
@@ -833,7 +881,7 @@ public function getUsersLegacy(array $params = [])
     /**
      * Checks to see if the Security plugin is up and running.
      *
-     * $params['mode']        = (string)
+     * $params['mode']        = (string) A flag to indicate whether service should consider security-plugin's status before returning health response. `strict` mode indicates service should check security plugin status.
      * $params['pretty']      = (boolean) Whether to pretty format the returned JSON response.
      * $params['human']       = (boolean) Whether to return human readable values for statistics.
      * $params['error_trace'] = (boolean) Whether to include the stack trace of returned errors.
@@ -874,7 +922,7 @@ public function migrate(array $params = [])
     /**
      * Updates individual attributes of an action group.
      *
-     * $params['action_group'] = (string)  (Required)
+     * $params['action_group'] = (string) The name of the action group to update. (Required)
      * $params['pretty']       = (boolean) Whether to pretty format the returned JSON response.
      * $params['human']        = (boolean) Whether to return human readable values for statistics.
      * $params['error_trace']  = (boolean) Whether to include the stack trace of returned errors.
@@ -969,7 +1017,7 @@ public function patchConfiguration(array $params = [])
     /**
      * Updates a distinguished cluster name for a specific cluster. Only accessible to super-admins and with rest-api permissions when enabled.
      *
-     * $params['cluster_name'] = (string)  (Required)
+     * $params['cluster_name'] = (string) The cluster-name to update nodesDn value. (Required)
      * $params['pretty']       = (boolean) Whether to pretty format the returned JSON response.
      * $params['human']        = (boolean) Whether to return human readable values for statistics.
      * $params['error_trace']  = (boolean) Whether to include the stack trace of returned errors.
@@ -1018,7 +1066,7 @@ public function patchDistinguishedNames(array $params = [])
     /**
      * Updates individual attributes of a role.
      *
-     * $params['role']        = (string)  (Required)
+     * $params['role']        = (string) The name of the role to update. (Required)
      * $params['pretty']      = (boolean) Whether to pretty format the returned JSON response.
      * $params['human']       = (boolean) Whether to return human readable values for statistics.
      * $params['error_trace'] = (boolean) Whether to include the stack trace of returned errors.
@@ -1044,7 +1092,7 @@ public function patchRole(array $params = [])
     /**
      * Updates individual attributes of a role mapping.
      *
-     * $params['role']        = (string)  (Required)
+     * $params['role']        = (string) The name of the role to update role-mapping for. (Required)
      * $params['pretty']      = (boolean) Whether to pretty format the returned JSON response.
      * $params['human']       = (boolean) Whether to return human readable values for statistics.
      * $params['error_trace'] = (boolean) Whether to include the stack trace of returned errors.
@@ -1070,7 +1118,7 @@ public function patchRoleMapping(array $params = [])
     /**
      * Add, delete, or modify a single tenant.
      *
-     * $params['tenant']      = (string)  (Required)
+     * $params['tenant']      = (string) The name of the tenant to update. (Required)
      * $params['pretty']      = (boolean) Whether to pretty format the returned JSON response.
      * $params['human']       = (boolean) Whether to return human readable values for statistics.
      * $params['error_trace'] = (boolean) Whether to include the stack trace of returned errors.
@@ -1096,7 +1144,7 @@ public function patchTenant(array $params = [])
     /**
      * Updates individual attributes of an internal user.
      *
-     * $params['username']    = (string)  (Required)
+     * $params['username']    = (string) The name of the user to update. (Required)
      * $params['pretty']      = (boolean) Whether to pretty format the returned JSON response.
      * $params['human']       = (boolean) Whether to return human readable values for statistics.
      * $params['error_trace'] = (boolean) Whether to include the stack trace of returned errors.
@@ -1133,12 +1181,9 @@ public function patchUser(array $params = [])
      */
     public function postDashboardsInfo(array $params = [])
     {
-        $body = $this->extractArgument($params, 'body');
-
         $endpointBuilder = $this->endpoints;
         $endpoint = $endpointBuilder('Security\PostDashboardsInfo');
         $endpoint->setParams($params);
-        $endpoint->setBody($body);
 
         return $this->performRequest($endpoint);
     }
@@ -1251,7 +1296,7 @@ public function updateConfiguration(array $params = [])
     /**
      * Adds or updates the specified distinguished names in the cluster or node allow list. Only accessible to super-admins and with rest-api permissions when enabled.
      *
-     * $params['cluster_name'] = (string)  (Required)
+     * $params['cluster_name'] = (string) The cluster-name to create/update nodesDn value for. (Required)
      * $params['pretty']       = (boolean) Whether to pretty format the returned JSON response.
      * $params['human']        = (boolean) Whether to return human readable values for statistics.
      * $params['error_trace']  = (boolean) Whether to include the stack trace of returned errors.
@@ -1277,7 +1322,7 @@ public function updateDistinguishedName(array $params = [])
     /**
      * Checks whether the v6 security configuration is valid and ready to be migrated to v7.
      *
-     * $params['accept_invalid'] = (boolean)
+     * $params['accept_invalid'] = (boolean) A boolean flag to indicate whether invalid v6 configuration should be allowed.
      * $params['pretty']         = (boolean) Whether to pretty format the returned JSON response.
      * $params['human']          = (boolean) Whether to return human readable values for statistics.
      * $params['error_trace']    = (boolean) Whether to include the stack trace of returned errors.