diff --git a/package-lock.json b/package-lock.json
index 6d7e06b..6c4c642 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "botlib",
-  "version": "1.4.2",
+  "version": "1.4.4",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 4f96472..206a5ae 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "botlib",
-  "version": "1.4.2",
+  "version": "1.4.4",
   "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/IGBConversationalService.ts b/src/IGBConversationalService.ts
index ba38be3..132b5c7 100644
--- a/src/IGBConversationalService.ts
+++ b/src/IGBConversationalService.ts
@@ -38,11 +38,12 @@ import { GBDialogStep } from "./GBDialogStep";
 export interface IGBConversationalService {
   sendEvent(step: GBDialogStep, name: string, value: Object);
   sendEvent(step: GBDialogStep, name: string, value: Object);
-  sendFile(min: GBMinInstance, step: GBDialogStep, url: string);
+  sendFile(min: GBMinInstance, step: GBDialogStep, url: string, caption: string);
   sendAudio(min: GBMinInstance, step: GBDialogStep, url: string);
   sendSms(min: GBMinInstance, mobile: string, text: string);
   routeNLP(step: GBDialogStep, min: GBMinInstance, text: string): Promise<boolean>;
   getCurrentLanguage(step: GBDialogStep);
   getNewMobileCode();
   sendMarkdownToMobile(min: GBMinInstance, step: GBDialogStep, mobile: string, text: string);
+  
 }