diff --git a/specification/search_application/_types/SearchApplication.ts b/specification/search_application/_types/SearchApplication.ts
index 20d468a130..4b316828c2 100644
--- a/specification/search_application/_types/SearchApplication.ts
+++ b/specification/search_application/_types/SearchApplication.ts
@@ -17,36 +17,17 @@
  * under the License.
  */
 
-import { IndexName, Name } from '@_types/common'
-import { Script } from '@_types/Scripting'
+import { Name } from '@_types/common'
 import { EpochTime, UnitMillis } from '@_types/Time'
+import { SearchApplicationParameters } from './SearchApplicationParameters'
 
-export class SearchApplication {
+export class SearchApplication extends SearchApplicationParameters {
   /**
-   * Search Application name.
+   * Search Application name
    */
   name: Name
-  /**
-   * Indices that are part of the Search Application.
-   */
-  indices: IndexName[]
   /**
    * Last time the Search Application was updated.
    */
   updated_at_millis: EpochTime<UnitMillis>
-  /**
-   * Analytics collection associated to the Search Application.
-   */
-  analytics_collection_name?: Name
-  /**
-   * Search template to use on search operations.
-   */
-  template?: SearchApplicationTemplate
-}
-
-export class SearchApplicationTemplate {
-  /**
-   * The associated mustache template.
-   */
-  script: Script
 }
diff --git a/specification/search_application/_types/SearchApplicationParameters.ts b/specification/search_application/_types/SearchApplicationParameters.ts
new file mode 100644
index 0000000000..f2b1055ff3
--- /dev/null
+++ b/specification/search_application/_types/SearchApplicationParameters.ts
@@ -0,0 +1,36 @@
+/*
+ * Licensed to Elasticsearch B.V. under one or more contributor
+ * license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright
+ * ownership. Elasticsearch B.V. licenses this file to you under
+ * the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+import { IndexName, Name } from '@_types/common'
+import { SearchApplicationTemplate } from './SearchApplicationTemplate'
+
+export class SearchApplicationParameters {
+  /**
+   * Indices that are part of the Search Application.
+   */
+  indices: IndexName[]
+  /**
+   * Analytics collection associated to the Search Application.
+   */
+  analytics_collection_name?: Name
+  /**
+   * Search template to use on search operations.
+   */
+  template?: SearchApplicationTemplate
+}
diff --git a/specification/search_application/_types/SearchApplicationTemplate.ts b/specification/search_application/_types/SearchApplicationTemplate.ts
new file mode 100644
index 0000000000..2f95e85059
--- /dev/null
+++ b/specification/search_application/_types/SearchApplicationTemplate.ts
@@ -0,0 +1,27 @@
+/*
+ * Licensed to Elasticsearch B.V. under one or more contributor
+ * license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright
+ * ownership. Elasticsearch B.V. licenses this file to you under
+ * the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+import { Script } from '@_types/Scripting'
+
+export class SearchApplicationTemplate {
+  /**
+   * The associated mustache template.
+   */
+  script: Script
+}
diff --git a/specification/search_application/get/SearchApplicationsGetResponse.ts b/specification/search_application/get/SearchApplicationsGetResponse.ts
index 29673c3f15..46c7d051ee 100644
--- a/specification/search_application/get/SearchApplicationsGetResponse.ts
+++ b/specification/search_application/get/SearchApplicationsGetResponse.ts
@@ -17,7 +17,7 @@
  * under the License.
  */
 
-import { SearchApplication } from '../_types/SearchApplication'
+import { SearchApplication } from '@search_application/_types/SearchApplication'
 
 export class Response {
   body: SearchApplication
diff --git a/specification/search_application/list/SearchApplicationsListResponse.ts b/specification/search_application/list/SearchApplicationsListResponse.ts
index 49ebbedc6a..1532ded8da 100644
--- a/specification/search_application/list/SearchApplicationsListResponse.ts
+++ b/specification/search_application/list/SearchApplicationsListResponse.ts
@@ -17,32 +17,12 @@
  * under the License.
  */
 
-import { IndexName, Name } from '@_types/common'
+import { SearchApplication } from '@search_application/_types/SearchApplication'
 import { long } from '@_types/Numeric'
-import { EpochTime, UnitMillis } from '@_types/Time'
 
 export class Response {
   body: {
     count: long
-    results: SearchApplicationListItem[]
+    results: SearchApplication[]
   }
 }
-
-export class SearchApplicationListItem {
-  /**
-   * Search Application name
-   */
-  name: Name
-  /**
-   * Indices that are part of the Search Application
-   */
-  indices: IndexName[]
-  /**
-   * Last time the Search Application was updated
-   */
-  updated_at_millis: EpochTime<UnitMillis>
-  /**
-   * Analytics collection associated to the Search Application
-   */
-  analytics_collection_name?: Name
-}
diff --git a/specification/search_application/put/SearchApplicationsPutRequest.ts b/specification/search_application/put/SearchApplicationsPutRequest.ts
index df5efd5ff0..b5d66e6f50 100644
--- a/specification/search_application/put/SearchApplicationsPutRequest.ts
+++ b/specification/search_application/put/SearchApplicationsPutRequest.ts
@@ -18,7 +18,7 @@
  */
 import { RequestBase } from '@_types/Base'
 import { Name } from '@_types/common'
-import { SearchApplication } from '../_types/SearchApplication'
+import { SearchApplicationParameters } from '../_types/SearchApplicationParameters'
 
 /**
  * Create or update a search application.
@@ -44,5 +44,5 @@ export interface Request extends RequestBase {
    * Contains parameters for a search application.
    */
   /** @codegen_name search_application */
-  body: SearchApplication
+  body: SearchApplicationParameters
 }