diff --git a/src/IGBConversationalService.ts b/src/IGBConversationalService.ts
index e8258f0..86513bb 100644
--- a/src/IGBConversationalService.ts
+++ b/src/IGBConversationalService.ts
@@ -36,10 +36,12 @@ import { GBMinInstance } from "./GBMinInstance";
 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, mobile: string,  url: string, caption: string);
+  prompt(min: GBMinInstance, step: GBDialogStep, text: string);
+  sendText(min: GBMinInstance, step: GBDialogStep, text: string);
+  sendEvent(min: GBMinInstance, step: GBDialogStep, name: string, value: Object);
+  sendFile(min: GBMinInstance, step: GBDialogStep, mobile: string, url: string, caption: string);
   sendAudio(min: GBMinInstance, step: GBDialogStep, url: string);
+  prompt(min: GBMinInstance, step: GBDialogStep, text: string);
   sendSms(min: GBMinInstance, mobile: string, text: string);
   routeNLP(step: GBDialogStep, min: GBMinInstance, text: string): Promise<boolean>;
   getCurrentLanguage(step: GBDialogStep);