diff --git a/package.json b/package.json
index bfc3072..1e09159 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "botlib",
-  "version": "1.5.3",
+  "version": "1.5.4",
   "description": "General Bot base library for building Node.js TypeScript Apps packages (.gbapp) and Libray packages (.gblib)",
   "main": "dist/index.js",
   "types": "dist/index",
diff --git a/src/IGBInstance.ts b/src/IGBInstance.ts
index b0ee019..c62b09e 100644
--- a/src/IGBInstance.ts
+++ b/src/IGBInstance.ts
@@ -89,4 +89,5 @@ export interface IGBInstance {
   adminPass: string;
   translatorKey: string;
   translatorEndpoint: string;  
+  params: string;
 }
diff --git a/src/IGBPackage.ts b/src/IGBPackage.ts
index b45a4d4..b5b2365 100644
--- a/src/IGBPackage.ts
+++ b/src/IGBPackage.ts
@@ -74,4 +74,12 @@ export interface IGBPackage{
      * Called in each new session. 
      */
     onNewSession(min: GBMinInstance, step: GBDialogStep): Promise<void>
+
+    /**
+     * Exchange data between BotServer and .gbapp/.gblib
+     * @param kind 'newMessage', 'getBroadcast', 'getKeywords'
+     * @param data 
+     */
+    onExchangeData (min: GBMinInstance, kind: string, data: any);
+
 }
\ No newline at end of file