diff --git a/plugins/search-backend-module-elasticsearch/config.d.ts b/plugins/search-backend-module-elasticsearch/config.d.ts
index 95e527b236..2428d44b84 100644
--- a/plugins/search-backend-module-elasticsearch/config.d.ts
+++ b/plugins/search-backend-module-elasticsearch/config.d.ts
@@ -138,6 +138,35 @@ export interface Config {
       bearer: string;
     };*/
           }
+        /**
+         *  AWS = In house hosting Open Search
+         */
+          | {
+            provider: 'opensearch';
+            /**
+             * Node configuration.
+             * URL/URLS to OpenSearch node to connect to.
+             * Either direct URL like 'https://localhost:9200' or with credentials like 'https://username:password@localhost:9200'
+             */
+            node: string | string[];
+
+            /**
+             * Authentication credentials for OpenSearch
+             * If both ApiKey/Bearer token and username+password is provided, tokens take precedence
+             */
+            auth?:
+              | {
+                  username: string;
+
+                  /**
+                   * @visibility secret
+                   */
+                  password: string;
+                }
+              | {
+                  apiKey: string;
+                };
+          }      
       );
     };
   };