diff --git a/common/types/chat_saved_object_attributes.ts b/common/types/chat_saved_object_attributes.ts
index fb3e0d2a..0421cd54 100644
--- a/common/types/chat_saved_object_attributes.ts
+++ b/common/types/chat_saved_object_attributes.ts
@@ -6,12 +6,23 @@
 export const CHAT_SAVED_OBJECT = 'assistant-chat';
 export const SAVED_OBJECT_VERSION = 1;
 
+export interface Interaction {
+  input: string;
+  response: string;
+  conversation_id: string;
+  interaction_id: string;
+  create_time: string;
+  additional_info: Record<string, unknown>;
+  parent_interaction_id?: string;
+}
+
 export interface ISession {
   title: string;
   version: number;
   createdTimeMs: number;
   updatedTimeMs: number;
   messages: IMessage[];
+  interactions: Interaction[];
 }
 
 export interface ISessionFindResponse {
diff --git a/server/services/storage/agent_framework_storage_service.ts b/server/services/storage/agent_framework_storage_service.ts
index 3448fd67..f4812d7c 100644
--- a/server/services/storage/agent_framework_storage_service.ts
+++ b/server/services/storage/agent_framework_storage_service.ts
@@ -6,15 +6,14 @@
 import { ApiResponse } from '@opensearch-project/opensearch/.';
 import { OpenSearchClient } from '../../../../../src/core/server';
 import {
-  IInput,
   IMessage,
-  IOutput,
   ISession,
   ISessionFindResponse,
+  Interaction,
 } from '../../../common/types/chat_saved_object_attributes';
 import { GetSessionsSchema } from '../../routes/chat_routes';
 import { StorageService } from './storage_service';
-import { Interaction, MessageParser } from '../../types';
+import { MessageParser } from '../../types';
 import { MessageParserRunner } from '../../utils/message_parser_runner';
 
 export class AgentFrameworkStorageService implements StorageService {
@@ -55,6 +54,7 @@ export class AgentFrameworkStorageService implements StorageService {
       createdTimeMs: Date.now(),
       updatedTimeMs: Date.now(),
       messages: finalMessages,
+      interactions: session.body.interactions,
     };
   }
 
diff --git a/server/types.ts b/server/types.ts
index 9d9e7520..5b692036 100644
--- a/server/types.ts
+++ b/server/types.ts
@@ -3,7 +3,7 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-import { IMessage } from '../common/types/chat_saved_object_attributes';
+import { IMessage, Interaction } from '../common/types/chat_saved_object_attributes';
 import { ILegacyClusterClient, Logger } from '../../../src/core/server';
 
 // eslint-disable-next-line @typescript-eslint/no-empty-interface
@@ -11,16 +11,6 @@ export interface AssistantPluginSetup {}
 // eslint-disable-next-line @typescript-eslint/no-empty-interface
 export interface AssistantPluginStart {}
 
-export interface Interaction {
-  input: string;
-  response: string;
-  conversation_id: string;
-  interaction_id: string;
-  create_time: string;
-  additional_info: Record<string, unknown>;
-  parent_interaction_id: string;
-}
-
 export interface MessageParser {
   /**
    * The id of the parser, should be unique among the parsers.
diff --git a/server/utils/message_parser_runner.ts b/server/utils/message_parser_runner.ts
index 2f5d7d59..60534247 100644
--- a/server/utils/message_parser_runner.ts
+++ b/server/utils/message_parser_runner.ts
@@ -3,8 +3,8 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-import { IMessage } from '../../common/types/chat_saved_object_attributes';
-import { Interaction, MessageParser } from '../types';
+import { IMessage, Interaction } from '../../common/types/chat_saved_object_attributes';
+import { MessageParser } from '../types';
 
 export class MessageParserRunner {
   constructor(private readonly messageParsers: MessageParser[]) {}